vibey

Source-cited deep dives across agriculture, operating systems, cognition, civilization, politics, science, technology, storytelling, and integrated systems.

18 skills

Military Science, Rockets, Space, Fusion, and Mars: strategic theory and engineering physics in one reference, at the war-college survey level for the first and the engineering level for the rest. Military science as the one field whose object of study is a reactive adversary, so no principle holds unconditionally — war as a political instrument or nothing, defence as an economic and industrial problem first, institutional learning as the hardest capability to copy; Clausewitz's trinity, friction, centre of gravity, culminating point and defence as the stronger form, Sun Tzu and Jomini and Soviet operational art, Mahan against Corbett, and the air power promise against the post-1945 bombing surveys; the three levels of war and why tactical success does not aggregate into strategic success, the principles as contradictory heuristics, manoeuvre versus attrition, OODA with ORIENT restored, mission command; deterrence by punishment and by denial, Schelling on compellence, the stability-instability paradox and the measurement problem, survivability and the triad, Kahn's escalation thresholds and off-ramps, alliance abandonment versus entrapment, and grand strategy as ends, ways and means — with the near-miss record and the line that deterrence working for decades is compatible with having been repeatedly lucky. Then the readiness/modernization/size trilemma, logistics and the industrial base as the professional's subject, doctrine and its rigidity paradox, intelligence failing analytically rather than collectively, procurement's monopsony structure, modern conflict from the counter-UAS cost-per-engagement problem through cyber, Kessler syndrome and information operations to total defence — and the law of armed conflict in full: jus ad bellum against jus in bello, the equality of application, distinction, proportionality stated correctly rather than as a casualty comparison, military necessity, humanity, and command responsibility. Rocket engineering from Tsiolkovsky and

12 skills

Evangelism, Apologetics, Preaching, Teaching and Church Planting: a practitioner reference for Christian ministry that treats evangelism as a communication task and then holds itself to what the evidence on communication actually supports. The persuasion findings the source stands behind -- listening first produces durable change, conversation beats broadcast, moral reframing is difficult and rarely done, relevant evidence is the strongest identified lever, facts alone against identity-linked beliefs persuade less than assumed -- read as tendencies rather than measured effects, with no number supplied because the source supplies none; trust decomposed into competence, reliability and care and why most trust failures are the third mistaken for the first; the four levels of listening, silence as the most underused technique, asking before advising, and recognising when a spiritual question has actually been asked. Six evangelistic approaches -- relational, lifestyle, missional, conversational, proclamation, service -- compared on strengths and limitations, with the limitations column read carefully because half of it is structural fact and half theological judgement held inside the source's tradition; the four common gospel presentations (the Roman Road, the Bridge to Life, the Four Spiritual Laws, Creation-Fall-Redemption-Restoration) and what each compression drops. The ethics of influence carried as load-bearing rather than as an appendix: the disclosure test -- if you told the person exactly what you were doing and why, would this still work -- the structural line between persuasion, manipulation and coercion, power asymmetry where a pastor, parent or employer holds it, exploited states, and the hard cases including altar calls, which the source does not rule on. The cosmological, teleological, moral and ontological arguments as the source gives them with the standard objection each actually faces, kept inside its own framing that the case is cumulative rather tha

10 skills

From Autograph to Your Bible -- the biblical languages, translation, textual criticism, archaeology and historical method as one connected reference, because a translator cannot choose a word until a textual critic has decided which words are there, a textual critic weighs manuscripts that archaeologists dug up and palaeographers dated, and historians use all of it and then argue about what it means. Where the source marks a claim settled, majority, contested or as of 2026, the marker stays exactly where the source put it, and contested questions stay contested. Biblical Hebrew and the three layers of a printed Hebrew Bible, the Masorah and ketiv/qere, the Aleppo and Leningrad codices, the linguistic-dating fight, the unsolved verbal system, Biblical Aramaic, and the words that break translators' hearts; Koine Greek, the papyri and Semitisms, verbal aspect and deponency, and the Septuagint's legend and reality. The Vetus Latina, Jerome and the composite Vulgate, the Latin renderings that changed Western history; Gothic, the Heliand, the pre-Luther printed Bibles, Luther's September Testament and Sendbrief, the Lutherbibel 2017; Old English to Wycliffe, Tyndale and Geneva, how the King James Version was actually made, and the modern English spectrum. How committees really translate -- base texts, drafting and votes, the root fallacy, gender language, the divine name -- and how minority-language field translation works in 2026, from comprehension testing and back translation to Paratext and AI drafting. Textual criticism: copying errors, external and internal evidence after Royse, Erasmus to NA28, NA29 and the Editio Critica Maior, how many manuscripts there really are, the CBGM and the initial text, the famous variants, and the Hebrew Bible's plural text with BHQ, HUBP and HBCE. Archaeology: context, stratigraphy and the Harris Matrix, radiocarbon and the Hallstatt plateau, ancient DNA and archaeometallurgy, the inscriptions from the Merneptah Stele to the Gallio ins

9 skills

Company and Non-Profit Valuation, Market Research, Buying and Selling: standards, premises and levels of value, the income, market and asset approaches, the size-segmented deal market and its documents, researching deal markets and multiples and how each indicator misleads, normalizing earnings (SDE, adjusted EBITDA, quality of earnings), a regression of multiples, WACC and DCF, discounts and the EV-to-equity bridge, the buyer playbook (debt capacity, LOI structure, SBA financing, LBO sensitivity, diligence, closing), the seller playbook (exit readiness, process, comparing LOIs on after-tax present value, asset versus stock, QSBS, alternatives), deep diligence and fraud, startups, public companies, 409A, ESOP and disputes, and non-profits treated as their own problem (no owners and no equity price, mergers and affiliations, IRC 4958, Form 990 and ratio analysis, stress tests, impact measurement), plus a tested numpy and pandas toolkit. Decision support, not investment, legal, tax, accounting or valuation-opinion advice.

9 skills

Developer Experience: the evidence-graded blueprint, in two parts, for making a codebase, CLI, API, documentation set, UI and AI-agent surface easy to use well, and for placing each feature on the right device surface (VS Code, desktop, iOS, Android, web) so non-developers reach a working result too. Short and trustworthy feedback loops, cognitive load, one-command local setup, CLI conventions (streams, exit codes, --json, --dry-run, NO_COLOR), error messages that say what failed and how to fix it, API and SDK usability, Diataxis documentation, TUI and screen-reader accessibility, onboarding and contribution barriers, AGENTS.md, llms.txt and MCP tool design for coding agents, and how to measure DevEx with surveys paired with system data, with every claim graded A, B or C and the weak or contested evidence called out.

9 skills

Okta Workflows: a field reference for identity source-of-truth → Okta sync pipelines (e.g. Entra ID) — the platform's production quirks, hard record caps, and verified workarounds across branching (If/Else & If/ElseIf), looping constructs, Tables, event hooks/streaming/handler flows, the Okta and Azure AD/Microsoft Entra ID connectors, execution limits & throttling, error handling & retry, and flopack import/export, plus the recent 2025–2026 platform changes.

9 skills

Building a Cryptocurrency: designing and shipping your own chain, from the cryptographic primitives up. A cryptocurrency as a replicated state machine with Sybil-resistant leader election and a fork-choice rule, and the three reference architectures every chain is a variation on — Bitcoin's UTXO ledger with SHA-256d proof of work and probabilistic finality, Ethereum's account and world-state model with Gasper proof of stake and explicit finality, Monero's privacy-enhanced UTXOs with RandomX and mandatory privacy — with the five design decisions that follow and what each one costs. Hash functions and their five properties, SHA-256d and Keccak-256 and the length-extension attack that makes H(key + message) not a MAC, ECDSA and Schnorr and Ed25519 and ring signatures with the nonce hazard that has emptied real wallets, Merkle trees and O(log n) proofs and SPV, Merkle-Patricia tries and state proofs for light clients and bridges, BIP-39 seed phrases and BIP-32 derivation and BIP-44/49/84/86 paths and output descriptors, and practical key management. Proof of work and proof of stake, fork choice and finality and what each one actually promises. Then two builds end to end: a Bitcoin-style UTXO chain — transaction and script model, validation rules, what forking Bitcoin Core really involves — and an Ethereum-style account chain with the EVM, gas and smart contracts. Privacy features from ring signatures and stealth addresses to confidential amounts and zero-knowledge constructions; the peer-to-peer networking layer and block propagation; issuance schedules, fee markets, supply caps and incentive design; the security chapter on what actually loses money; and an ordered practical build guide. An engineering reference, not investment, legal or tax advice: distributing a token carries securities, AML/KYC and consumer-protection obligations that are a question for counsel in your jurisdiction.

8 skills

Building a Homestead: building a house from the ground up, raising farm animals, and growing your own crops, detailed enough to actually go out and do it. The building half opens on the thesis that most building failures are not engineering failures but coordination failures at the boundaries between disciplines and between design and construction, then works through site and ground investigation and why sampling a handful of points is what you are really doing, orientation and solar design, foundations from strip footings to frost-line bearing and the expansive-clay case, the gravity system and the lateral system treated separately, shear walls and hold-downs and why a partially built structure has no lateral system at all, a five-way comparison of timber frame against masonry, reinforced concrete, mass timber and steel, then the envelope where buildings actually fail: the four control layers in the order of importance that is itself the content -- water, air, vapour, thermal -- flashing, drying potential and why a wall with a vapour barrier on both sides cannot dry and will fail, roofs and ponding, concrete mix and cover and curing, wood moisture content and movement, steel, masonry movement joints, building services, fire safety, construction sequencing, codes and permitting, and a build checklist. The livestock half covers ruminant digestion and volatile fatty acids and why cattle are different, nutrient requirements, species selection with gestation and characteristics for cattle, sheep, goats, pigs and poultry, housing and fencing, herd health and biosecurity including FAMACHA and refugia, reproduction and breeding and EPDs and dystocia, grazing management from continuous to rotational to mob with the trade-off of each, stocking rate against stocking density, Animal Units, body condition scoring, and the Five Freedoms with low-stress handling. The crop half covers soil science and cation exchange capacity, fertility management, crop production and growing degr

8 skills

Content Engineering Pipeline: a sequential fourteen-phase method that turns a vague topic into a falsifiable thesis and carries it through a verified non-fiction book, a novel, a screenplay, an AI-generated hub film with a five-spoke campaign, and distribution. It begins by asking the author to state their own governing postulates — what they hold to be true, the ethic their work serves, and their limits on means — and holds the method's limits on means throughout: no predetermined conclusions, opposing arguments mapped more carefully than supporting ones, every source verified, personal testimony never fabricated, narrative power never in excess of the evidence, and no manufactured urgency, outrage, false social proof or misrepresented content. Thesis development (topic to question to problem to claim, the thick thesis, the five-part problem statement, terrain mapping with a citation-confidence system, the seven-step argument investigation); book assembly and six-pass revision to a Publication Readiness Declaration; novel conversion with architecture before prose; screenplay architecture with the dramatic spine and the fifteen-beat structure; AI film production and the hub-and-spoke curiosity cascade; and Amazon KDP submission, digital deployment and in-person delivery, with vendor, platform and KDP specifics dated as volatile.

8 skills

Physical Security, Self-Defense, Firearms, and the ATF Substances -- people and buildings, force and law, and how alcohol, tobacco, cannabis and firearms actually intersect with medicine and self-defense -- with the source's limits carried into every skill: not legal advice, not medical advice, no dosing, and no substitute for hands-on training. Evidence-graded throughout (STRONG, MODERATE, WEAK, CONTESTED) and law-dated (LAW-2026: the legal state as of September 2026, to be verified). Threat modeling and what realistic risk looks like -- most violence comes from people you know, most burglaries are opportunistic, most gun deaths are suicides; the security mindset translated from information security, the fail-safe vs fail-secure egress tension, layered defense with time as the currency, and CPTED with the CCTV and lighting evidence. Home hardening in cost-effectiveness tiers from life safety first, organizations, access-control realities and authorized testing, and targeted violence with BTAM and Run-Hide-Fight. Personal security, domestic-violence and stalking safety planning, the self-defense hierarchy and de-escalation, the empowerment self-defense trial, less-lethal tools, and Stop the Bleed. Firearms treated conceptually and for safety, exactly as the source does -- the four safety rules, storage and the honest risk ledger with the contested defensive-gun-use numbers against the suicide evidence, training, carrying and the aftermath of an incident; federal law through United States v. Hemani and South Carolina's permitless-carry and self-defense statutes. Alcohol, tobacco and cannabis on mechanism, evidence-graded medical uses, harms, law and why intoxication and weapons do not mix; the self-medication problem; a personal security plan, spending priorities and the contested questions on both sides; and crisis lines, training resources, the glossary and the sources. Source defects, internal tensions and untagged legal statements are flagged in place with labell

8 skills

Tor and Onion Networks: what Tor promises and what it deliberately does not, the history from NRL onion routing to Arti, cells and channels and the telescoping circuit handshake, ntor and ntor-v3, the tor1 to CGO cell-cryptography migration, SENDME flow control, congestion control and Conflux, relays and flags and the nine directory authorities, the hourly consensus and bandwidth weights, guard pinning and path restrictions and happy families, v3 onion services end to end, blinded descriptor keys, introduction and rendezvous points, client authorization, vanguards and proof-of-work and Onionbalance, bridges and pluggable transports, obfs4 and Snowflake and WebTunnel and Conjure, the 2026 DTLS fingerprinting campaign, the attack literature from end-to-end confirmation through website fingerprinting to client-side compromise, the 2026 software ecosystem, Tor against I2P and mixnets and VPNs, governance and funding, and an operations handbook covering SOCKS integration, the control port, ephemeral and long-lived onion services, relays and bridges and exits, transparent-proxy gateways, hardware builds, verification and abuse handling.

8 skills

Car Valuation and Market Research (buying and selling a car): the many meanings of a car's value from MSRP to wholesale and insurance ACV, who produces which number (KBB, Edmunds, J.D. Power, Black Book, Manheim MMR, Hagerty) and how they differ, sales channels and the rules of the game, researching the car market through the Manheim index, transaction prices, days' supply, incentives and loan data, valuing one specific vehicle with comparables, an adjustment grid and a regression cross-check, EVs, classics and branded titles, the buyer playbook from total monthly cost to out-the-door negotiation and F&I products, the seller playbook from payoff and equity to choosing a channel by net cash and a scam-proof sale, pre-purchase inspection, history reports, title brands and fraud, total cost of ownership, lease versus buy and EV versus gas, plus a tested numpy and pandas toolkit. Decision support, not legal, tax, lending, insurance or mechanical advice.

7 skills

Engines, Generators, and Fuel Sources: theory, design principles and practical build guidance for heat engines, power generators and every major fuel. The four laws of thermodynamics with the closed- and open-system energy balances and why enthalpy exists, entropy as energy unavailability rather than disorder, the Carnot ceiling and why raising T_H or lowering T_C is the only lever there has ever been — which makes engine efficiency a materials problem; working-fluid saturation, latent heat, the critical point, the classic misuse of the ideal gas law near saturation, and the specific-heat ratio. The Rankine cycle component by component, its back-work-ratio advantage, and the five improvements that carry real plants from 25-30% to 45-47% (superheat, reheat, regenerative feedwater heating, supercritical operation, and condensing at vacuum — with the worked 57% to 66% Carnot comparison behind Watt's separate condenser); reciprocating steam engines including cut-off and expansive working, compounding and uniflow, and steam turbines including impulse versus reaction, the Euler turbomachine equation, specific speed and blade tip-speed limits. The Otto cycle and knock as a fuel-chemistry rather than mechanical limit, volumetric efficiency, Atkinson/Miller and why hybrids use it; the Diesel cycle and why lean running forces DPF and SCR instead of a three-way catalyst; the Brayton cycle and its back-work-ratio problem; the Stirling engine and the four practical limits on its Carnot promise; and the combined cycle at 55-62%. Generators from Faraday's law through back-EMF, the four real loss mechanisms and the four machine types, AC versus DC generation and why inverter generators win at part load; then sizing, engine and generator-head selection, hybrid battery systems, transfer switching and the never-backfeed rule for a house power system. Every fuel with its energy density and the engine it pairs with — coal, petroleum fractions, natural gas, propane, wood and gasification

7 skills

Home Valuation and Market Research (buying and selling a house): what value means and who produces each opinion of it (appraisal, CMA, BPO, AVM, tax assessment), the three approaches, the NAR-settlement-era rules and the UAD 3.6 appraisal change, researching a housing market from macro to street with each indicator's definition and failure modes, comparable-sales selection, the adjustment grid, time adjustments, hedonic regression and honest AVM error, the buyer playbook from payment-backward budgeting to the offer ladder and the 30-day timeline, the seller playbook from the net sheet to pricing by market regime and comparing offers on net, diligence, climate and insurance risk, the income approach for rentals and flips, specialty valuations, fraud and fair housing, plus a tested numpy and pandas toolkit. Decision support, not appraisal, legal, tax, lending or investment advice.

7 skills

Money on the Internet — Bitcoin, Ethereum, Monero, PayPal, Stripe: the five systems positioned against each other on finality, censorship, programmability, privacy and cost, and how to use and build on each. Bitcoin's UTXO model, policy versus consensus, fee estimation and RBF, wallets and multisig and PSBT and miniscript, the Lightning Network, 2026 mining economics, Bitcoin Core and BDK development, and the v30 OP_RETURN governance fight; Ethereum's account and world-state model, the EVM, proof of stake and the two-process node, the upgrade timeline, gas and transaction types, Solidity and Foundry, the access-control losses that dominate 2026 incident data, DeFi primitives, L2s and MEV; Monero's ring signatures and stealth addresses and RingCT, view keys, FCMP++ and its real status, the 2025 Qubic hashrate episode, exchange delistings and access, daemon and wallet RPC development; PayPal's consumer network and Braintree and Venmo acceptance, the US merchant fee schedule effective 1 September 2026, PYUSD and the 2026 crypto strategy, the Orders and Payouts and Subscriptions APIs; Stripe's PaymentIntent lifecycle, idempotency and webhooks, integration patterns from Payment Links to full custom, PCI scope, Connect and Billing and Radar and Terminal, US pricing, Managed Payments as merchant-of-record, and the Bridge and Privy and Tempo stablecoin stack; plus decision heuristics, the four engineering patterns that transfer across every rail, a sequenced study roadmap, and the canonical documentation shelf.

7 skills

Patents, Trademarks and Copyrights: filing and maintaining US IP for software in October 2026, which right protects what and what to file first (the name and the code, with the patent as a deliberate decision), trademark clearance, application, office actions and maintenance, the copyright Registration Portal, software deposits, group options, DMCA and the CCB, patent documentation, search, provisional and utility filing, the Section 101 reality check and the disclosure trap, ownership and assignments, open source and AI-assisted code, trade secrets, enforcement costs, budgets, deadlines, scams, free help, and what could not be verified. General information, not legal advice.

7 skills

ARM — A Deep Dive: what "ARM" actually names, the licensing model, product families, ISA generations, AArch64, instruction set characteristics, exception levels, the memory model, MMU and translation, vector extensions including NEON, SVE, SVE2 and SME, atomics and synchronization, floating point and numerics, TrustZone, pointer authentication, BTI and MTE, CCA and realms, big.LITTLE and DynamIQ, interrupts and timers, interconnect, boot and firmware, virtualization, Cortex-M and embedded, toolchain and ABI, porting from x86, and performance analysis.

6 skills

Banking, SWIFT and Payment Networks: what a payment actually is, what a bank is and how deposits are created, central banks and reserves, the payment system taxonomy, clearing, netting and settlement risk, correspondent banking, what SWIFT actually is, message formats from MT to ISO 20022, gpi and tracking, governance, sanctions and geopolitics, alternatives and parallel systems, Ripple versus XRP versus the XRP Ledger, XRP Ledger mechanics, Ripple's products, legal status, instant payment systems, stablecoins, CBDCs, tokenized deposits, compliance, security, and the costs and economics of remittances.

6 skills

Calculus, Geometry and Algebra: vector spaces and linear maps, matrices and the four fundamental subspaces, determinants, eigenvalues and diagonalization, inner products and orthogonality, the spectral theorem and SVD, matrix factorizations, conditioning and numerical reality, the derivative and integration, series and Taylor approximation, multivariable and vector calculus, differential forms, constrained optimization, differential equations, geometry, manifolds, tensors done properly, Riemannian geometry, and Lie groups and algebras.

6 skills

Communication Technologies: the federated versus proprietary divide, SMTP and email architecture, retrieval protocols, message format, SPF, DKIM and DMARC, deliverability, email encryption, the PSTN, SS7 and its security problem, VoIP and SIP, VoLTE and VoNR, caller ID spoofing and robocalls, SMS, MMS, RCS, the Signal protocol, the messaging landscape, iMessage and FaceTime, WebRTC, video conferencing architecture, team platforms, push and notifications, what end-to-end encryption actually protects, metadata, interoperability and regulation, the encryption policy debate, and emergency calling and reliability.

6 skills

Computer Hardware Engineering, Custom Rigs and Data Centres: where the bottleneck actually lives, CPU architecture, the memory hierarchy, GPUs and accelerators, storage, interconnect, power supplies, thermals, networking, specifying and assembling a build, firmware and boot, tuning and overclocking honestly, troubleshooting, benchmarking, facility basics, power distribution, cooling at scale, efficiency metrics, racks and physical infrastructure, network and storage architecture, failure at scale, operations, and AI infrastructure specifics.

6 skills

Computer Peripherals — Design, Building, Standards and Programming: the peripheral stack, USB architecture, USB-C and Power Delivery, Thunderbolt and alternate modes, wireless peripherals, embedded buses, PCIe peripherals, HID, keyboards, mice and pointing devices, displays, audio interfaces, printers and scanners, storage and capture, controllers and haptics, designing a custom peripheral, firmware, PCB and mechanical design, enumeration and debugging, drivers and OS integration, measuring latency, compliance and certification, accessibility, and peripheral security.

6 skills

Cryptography and Encryption: what cryptography does and doesn't solve, threat models, randomness, hash functions, MACs, symmetric encryption, AEAD, public key cryptography, key exchange and forward secrecy, digital signatures, password storage and KDFs, TLS, PKI and certificates, end-to-end encrypted messaging, disk and file encryption, other protocols, implementation failure modes, key management, crypto agility, advanced constructions, blockchain cryptography, and law and policy.

6 skills

Debt Consolidation, Ramsey's Baby Steps and Bankruptcy for South Carolina in October 2026: the five tools that share the name consolidation and which two reduce what you owe, balance transfers, personal loans and term math, secured and retirement-funded options, nonprofit debt management plans, settlement, student, medical and tax debt, credit-score effects, South Carolina collection law, Chapter 7 and Chapter 13, Dave Ramsey's 7 Baby Steps and the evidence for and against them, EntreLeadership and solo-LLC mechanics, a decision framework and the questions to ask each professional. General information, not legal, tax or financial advice.

6 skills

Designing and Building Buildings and Other Civil Structures: the disciplines and the lifecycle, site and ground, brief and programming, planning, zoning and entitlement, architectural design, structural systems, foundations, envelope and building physics, building services, fire safety, accessibility, energy and comfort, drawings, specifications and BIM, codes and permitting, procurement and delivery, cost, sequencing and temporary works, materials in construction, quality and inspection, site safety, commissioning and handover, existing buildings and retrofit, and why projects fail.

6 skills

DNS, Domain Names and Naming Systems: what DNS is for, the namespace, resolution, record types, zones, delegation and glue, caching and TTL, attacks on DNS, DNSSEC, encrypted DNS, modern extensions, operations, DNS as infrastructure, ICANN and the root, TLD types, the registry/registrar/registrant model, registration mechanics, WHOIS and RDAP, disputes, domain security, the aftermarket, why alternatives exist, ENS and other blockchain naming systems, an honest assessment of them, and non-DNS namespaces.

6 skills

Electromagnetism and the Physics of Electricity: the abstraction ladder, charge and Coulomb's law, fields and Gauss's law, potential and capacitance, dielectrics, what current actually is, resistance and Ohm's law, where the energy actually flows, circuit theory and its validity limits, AC and impedance, power, RMS and power factor, magnetic fields, induction, inductance and transformers, magnetic materials, Maxwell's equations, electromagnetic waves, transmission lines, magnetism as relativistic electrostatics, conduction and band theory, semiconductors, superconductivity, plasma, grounding, shielding and EMC, and the physics of electrical safety.

6 skills

Exercise Science and Physiology: how to read claims in a noisy field, muscle structure, energy systems, cardiovascular and respiratory response, endocrine and neural adaptation, thermoregulation and hydration, training principles, strength and hypertrophy, endurance, power, flexibility, recovery and sleep, periodization, resistance programming variables, concurrent training, aging and sarcopenia, fuelling, supplement evidence tiers, under-fuelling and overtraining, injury and load management, and testing. A technical reference, not medical, dietary or personal training advice.

6 skills

Food and Nutrition Science: why nutrition science is hard, confounding and study design, the measurement problem, protein and amino acids, carbohydrates and fibre, fats and lipids, alcohol, vitamins, minerals, supplements, digestion and absorption, energy balance, appetite regulation, the microbiome, food composition and processing, cooking and nutrients, public health nutrition, food allergy and intolerance, dietary patterns, popular diets assessed, weight regulation, disordered eating, life stages, and how to read a nutrition claim. A technical reference, not medical or dietary advice.

6 skills

Fundraising Fundamentals: what fundraising actually is, the universal structure and the narrative, running the process, the capital ladder, instruments (priced rounds, convertible notes, SAFEs), dilution and cap table mathematics, term sheet economics including liquidation preference, control and governance, non-dilutive and debt financing, diligence, private company valuation, secondaries and exits, why and how companies go public, IPO mechanics and alternatives, post-IPO raising, public debt, securities regulation, and the non-profit side — the revenue model, the donor pyramid and major gifts, grants, capital campaigns, individual and recurring giving, and metrics and the overhead myth.

6 skills

GitHub and Jira — A Deep Dive: why the tool is not the process, Git's actual data model, branching, merging and rebasing, recovery, GitHub repos, organizations and permissions, pull requests and review, rulesets and branch protection, Actions, the security products, issues and Projects, the API, Apps and webhooks, enterprise identity, Jira's configuration model, team- versus company-managed projects, workflows and statuses, JQL, boards, sprints and estimation, reports, automation, permissions, Jira Service Management, configuration hygiene, integration patterns, metrics, and anti-patterns.

6 skills

Gold Standards for Investment Strategy: what comes before investing, risk and return, compounding, diversification, market efficiency honestly, asset classes, factors, costs, tax concepts, asset allocation, rebalancing, vehicle selection, accumulation and decumulation, behavioural failure, how business investment differs, capital budgeting, cost of capital, capital structure, business cash and treasury, valuation, raising capital, fraud and red flags, alternatives honestly, and advisors and conflicts. A mechanics reference, not investment advice.

6 skills

Locomotion and Train Technologies: adhesion and rolling resistance, traction and braking physics, the wheel-rail interface, gradients, curves and cant, steam, diesel, electric and alternative traction, power electronics and regeneration, track structure, continuous welded rail and thermal stress, switches and crossings, electrification infrastructure, block signalling, interlocking, train protection with ATP, ETCS, PTC and CBTC, safety and failure modes, rolling stock and bogies, braking, capacity and headway, freight, maintenance, high-speed rail, urban rail, and maglev.

6 skills

Maritime Engineering and Building Ships: the design spiral, buoyancy and hydrostatics, stability, hull form, resistance and powering, propulsion, seakeeping, manoeuvring, structure and longitudinal strength, materials and corrosion, machinery, ship systems, ship types, the shipyard, planning and the build, welding and fabrication, launch, outfitting and trials, naval and specialist vessels, class, flag and IMO, safety regulation, small craft and boatbuilding, operation, drydock and end of life, and why ships are lost.

6 skills

Fundamentals of Medicine and Pharmacology: how to read this field, homeostasis and physiological organization, drug targets, pathophysiology, clinical reasoning, diagnostic testing and its Bayesian logic, pharmacokinetics, pharmacodynamics, dose-response and the therapeutic window, drug interactions, variability between people, adverse effects, the major drug classes across cardiovascular, anti-infective, analgesic, neurological, psychiatric, endocrine, immunological and oncological medicine, evidence-based medicine, trial methodology and its pathologies, drug development and regulation, patient safety, screening and overdiagnosis, and clinical ethics. A technical reference, not medical advice.

6 skills

Medicine Design Software Development: the drug discovery pipeline and where computation actually helps, targets and modalities, what makes a molecule a drug, molecular representation, cheminformatics toolkits, data sources and their quality problems, splitting and leakage, protein structure and structure prediction, docking, molecular dynamics, free energy methods, QSAR and property prediction, ADMET prediction, generative models, active learning and the DMTA loop, benchmarks, validation that means something, pipeline engineering, compute, reproducibility, GxP and computer system validation, and software as a medical device.

6 skills

CPU, GPU, NPU and Memory Microarchitecture: architecture versus microarchitecture, pipelining, out-of-order execution, branch prediction, execution units and SIMD, cache organization, cache coherence, memory consistency models, virtual memory and translation, prefetching, GPU microarchitecture and memory systems, NPUs and dataflow architectures, numeric formats, DRAM internals, memory controllers, emerging memory interfaces, power and clocking, microarchitectural security, ISA design, simulation and modelling, measurement, roofline and fundamental limits, and specialization.

6 skills

Military Science and National Defence: what military science is, Clausewitz, Sun Tzu and other traditions, sea and air power, the levels of war, principles and their limits, manoeuvre, attrition and decision cycles, deterrence, nuclear strategy, escalation, alliances, grand strategy, force structure, logistics, doctrine and institutional learning, intelligence, command and control, defence procurement, unmanned systems, cyber and space, information operations, irregular warfare, total defence and societal resilience, civil-military relations, and the law of armed conflict.

6 skills

Negotiation and Conflict Resolution: two framings, distributive and integrative bargaining, BATNA, reservation value and ZOPA, interests, positions and issues, preparation, first offers and anchoring, concessions, creating value, the negotiator's dilemma, closing and commitment, biases, emotion, fairness and standards, trust and reputation, hard tactics and responses, multiparty negotiation, agents, teams and mandate, culture, power asymmetry, written and remote negotiation, conflict analysis and escalation, mediation, the dispute resolution spectrum, facilitation and dialogue, workplace and interpersonal conflict, reconciliation, and ethics.

6 skills

Organic Chemistry and Plastics Engineering: why carbon, bonding and structure, functional groups, stereochemistry, acidity and basicity, reaction mechanisms, reaction classes, aromaticity, kinetic versus thermodynamic control, characterization, synthesis strategy, green chemistry, what makes a polymer, polymerization, molecular weight, Tg, melting and morphology, mechanical behaviour, the commodity plastics, engineering and high-performance polymers, additives, elastomers, thermosets and composites, processing, degradation and failure, recycling honestly, bioplastics honestly, and health, migration and regulation.

6 skills

Political Science, Human Systems and Governance: what political science can and cannot establish, power, authority and legitimacy, the state, theory traditions, collective action problems, the commons and Ostrom's correction, social choice, voting systems, constitutional design, electoral systems in practice, executives and legislatures, federalism, courts and judicial review, bureaucracy and public administration, parties and party systems, voter behaviour, public opinion and measurement, polarization, regimes and transitions, state capacity, corruption, IR theory, conflict and cooperation, the policy process, and the field's own problems.

6 skills

Private Chat Engines: the three architectural families that every messenger falls into — centralised end-to-end-encrypted, centralised server-encrypted cloud, and federated or decentralised — the threat-model taxonomy that decides every other choice, a comparison matrix, how the field reached its 2026 state, and the forces reshaping it. Signal's protocol stack from X3DH and the double ratchet through sealed sender, private contact discovery, key transparency and post-quantum ratcheting, plus the Foundation's cost structure, its legal fights, and why there is no Signal server to operate. Telegram's MTProto and cloud-chat compromise, why Secret Chats are one-to-one mobile-only and off by default, the Durov prosecution and the compliance turn, scale and economics, and the bot and Mini-App developer ecosystem. Matrix and Element's federation and room model, Olm and Megolm, Matrix 2.0, the ecosystem's organisations and funding, and a homeserver operator handbook including the European sovereignty deployments. The wider field assessed honestly — MLS and RFC 9420 with Wire, WhatsApp's interoperability opening, iMessage PQ3, Threema, Olvid, SimpleX, Session, Nostr, XMPP with OMEMO, Briar, Delta Chat, the dormant and the niche — with a policy annex. And builder and operator playbooks: choosing the protocol shape before touching cryptography, the crypto stack as checklists, the metadata budget every service must fill in, abuse and trust-and-safety under end-to-end encryption, maintained libraries, operations and incident checklists, and budget intuition from public numbers.

6 skills

Psychology, Sociology and Cultural Sciences: the epistemic situation after the replication crisis and how to read a claim in these fields, why they are hard, what reform changed, perception and attention, memory, learning and conditioning, cognition, reasoning and bias, emotion, development, personality, motivation, social psychology, clinical psychology and what the evidence says actually works, intelligence, neurodiversity, sociological thinking and the theory traditions, stratification and mobility, networks, institutions and organizations, deviance and social control, religion and secularization, culture and anthropology, the WEIRD problem, and twice-exceptional adults — giftedness with autism or ADHD, masking and missed diagnosis, overexcitabilities, perfectionism and burnout, each claim labelled by evidence strength.

6 skills

Quantum Cryptography, Quantum Encryption and the Quantum Internet: why QKD and post-quantum cryptography are two completely different things, qubits and measurement, the no-cloning theorem, entanglement and Bell inequalities, quantum channels and loss, BB84, entanglement-based and continuous-variable QKD, key distillation, what unconditional security actually claims, attacks on real QKD systems, device-independent approaches, trusted nodes, quantum repeaters, quantum memory, entanglement distribution, satellite QKD, the quantum internet roadmap, quantum random number generation, the quantum computing threat, and how to choose.

6 skills

Radio Technology for Software Developers: why wireless breaks software intuitions, spectrum and bands, the link budget, the range/rate/power triangle, antennas, propagation and fading, noise and interference, modulation, Shannon's limit, spread spectrum, OFDM, coding and retransmission, multiple access, SDR and IQ sampling, sampling and DSP essentials, the SDR toolchain, the protocol stack, Wi-Fi, Bluetooth and BLE, LPWAN and cellular IoT, 802.15.4, Zigbee, Thread and Matter, GNSS, the regulatory layer, wireless security, and debugging RF problems from software.

6 skills

Resource Extraction — Mining, Oil and Gas: grade, tonnage and the nature of ore, how deposits form, exploration, resources versus reserves, surface and underground mining, drilling and blasting, comminution, mineral processing, extractive metallurgy, gold, tailings, water and drainage, petroleum geology, seismic exploration, drilling, well control, completion and hydraulic fracturing, production and decline, offshore, refining and processing, coal, economics, safety, closure and legacy, and social licence and artisanal mining.

6 skills

Roads, Bridges and Public Infrastructure: infrastructure as a system, geometric design, pavement, earthworks, geotechnics and drainage, traffic engineering and capacity, intersections and interchanges, road safety and the Safe System approach, construction and maintenance, bridge types and structural logic, loads and load rating, materials and details, bridge failure modes, inspection and condition rating, water supply, wastewater and stormwater, transit, ports, rail and airports, utility coordination, procurement and delivery, cost estimation and optimism bias, asset management, funding and finance, environmental review, resilience and climate adaptation, induced demand, and the distributional legacy of highway building.

6 skills

Semiconductors and Chip Manufacturing: the abstraction stack, carriers, doping and silicon, junctions and contacts, the MOSFET, scaling and what ended, transistor architectures, interconnect, memory, from sand to wafer, the cleanroom, lithography, deposition, etch, implant and anneal, CMP, process integration, yield, metrology and inspection, test, advanced packaging, PCB fabrication, assembly and soldering, reliability, design flow, economics, and supply chain concentration.

6 skills

Public Speaking, Influence and Community: what this field actually knows, speech anxiety, audience and purpose, structure, openings and closings, language for the ear, delivery, visual aids, Q&A and hostility, formats, practice, listening, rapport and trust, difficult conversations, negotiation, feedback, conflict, what actually persuades, the ethics of influence, how groups actually work, building a community, facilitation, organizing and mobilizing, volunteers and burnout, community conflict, and communication difference.

6 skills

Survival Skills: what actually kills people, survival psychology, priority ordering, thermoregulation and shelter, water, fire, why food comes last, navigation and being lost, signalling and rescue, field medical priorities, heat illness, animals in proportion, cold, desert, tropical, water and maritime and urban disaster environments, preventive planning, kit that earns its weight, vehicle and home preparedness, practising, and the survival myths that get people killed. Orientation grounded in the evidence, not a substitute for training, a guide, or emergency services.

6 skills

Thermodynamics and Fluid Mechanics — A Deep Dive: systems and properties, the zeroth, first and second laws, entropy, property relations, equations of state, phase behaviour, power cycles, refrigeration and heat pumps, exergy, combustion, psychrometrics, fluid properties and statics, the control volume, Bernoulli and the lift myth, Navier-Stokes, boundary layers, dimensional analysis, internal and external flow, drag, turbulence, compressible flow, turbomachinery, conduction, convection, radiation, heat exchangers and phase change, plus CFD practice.

6 skills

Trip Planning and Travel Strategies: matching trip type to purpose, choosing a destination, constraints-first planning, timing and seasonality, budgeting, how airfare pricing actually works, flight strategy, points and miles honestly, accommodation, ground transport, booking order and optionality, documents and entry, travel insurance, health, safety in proportion, money abroad, itinerary pacing, packing, jet lag, connectivity and navigation, language and culture, food and water, travelling with others, long-term travel, and handling disruption.

6 skills

Wellbeing, Purpose and Drive: two traditions of wellbeing, measurement problems, adaptation and the set point, money, the replication problem, what actually holds up, relationships, sleep, movement and the physical substrate, time and attention, self-determination theory, intrinsic motivation and rewards, goals, habits and behaviour change, willpower, flow, procrastination, how meaning and happiness come apart, sources of meaning, work, vocation and calling, adversity and growth, finitude, interventions, burnout, self-criticism and self-compassion, the limits of individual technique, and the industry critique. Research orientation, not clinical guidance.

6 skills

Wireless Technologies — RF, Standards, Building and Programming: why wireless is hard, propagation and the link budget, modulation and multiple access, antennas, spectrum and regulation, Wi-Fi and Wi-Fi in practice, Bluetooth and BLE programming, NFC and RFID, Thread, Zigbee and Matter, LoRa and LPWAN, cellular and cellular IoT, UWB, choosing a radio, antenna integration, certification, low-power design, provisioning and onboarding, RF debugging, wireless security, coexistence, and positioning and sensing.

6 skills

Writing Craft: white paper writing, prose mechanics, technical prose, narrative structure, elite legal brief writing, and the journal publishability criteria a research paper is held to before it is published.

6 skills

Aerospace Engineering: aerodynamics fundamentals and how lift actually works, airfoils and wings, the drag breakdown, compressible and supersonic flow, aircraft performance, stability and control, air-breathing propulsion, structures and materials, aeroelasticity, flight controls and avionics, drones and UAS including multirotor dynamics and the regulatory picture, launch vehicles, flight test and certification, and the design process.

5 skills

Algorithms Deep Dive: choosing and reasoning about algorithms and data structures, the machine model that makes asymptotic analysis lie (cache, branches, allocation, SIMD), the core data structure families, hash tables and modern probing, trees and the B-tree/LSM storage divide, sorting as it is actually implemented today, searching and indexing, graphs, strings, dynamic programming and amortization, probabilistic and streaming structures, vector and similarity search, concurrent data structures, and the measurement discipline that separates real optimization from folklore.

5 skills

Art Theory Fundamentals: what kind of claim art theory actually makes, the formal elements, value, colour, composition, pictorial space, medium and materiality, the philosophical questions, beauty and the sublime, taste and judgement, theories of art and the definition problem, art and ethics, a historical skeleton from modernism to contemporary, the canon problem, iconography and iconology, semiotics, critical lenses, intention and the author, how to actually look at a work, and the art world and market.

5 skills

Automotive Software: what makes vehicle software different, E/E architecture and the shift to zonal and central compute, buses and networking (CAN and its details, Automotive Ethernet and service-oriented communication), AUTOSAR Classic and Adaptive, real-time scheduling, functional safety under ISO 26262 including ASIL determination and decomposition and SOTIF, cybersecurity under ISO/SAE 21434 and the UN R155 and R156 regulations, diagnostics, flashing and OTA, ADAS and autonomy, process and toolchain, testing, the vehicle domains, and supply chain reality.

5 skills

AWS, GCP and Azure Deep Dive: an honest framing of what actually differs between the three, shared responsibility, identity and access where the providers genuinely diverge, resource hierarchy and organization, networking, compute, containers and Kubernetes, serverless, storage, databases, analytics, AI/ML services, observability, cost mechanics, reliability, regions and SLAs, infrastructure as code, lock-in and multi-cloud assessed honestly, migration, and a service equivalence mapping.

5 skills

Biology and Chemistry Foundations: atoms and periodicity, bonding and molecular geometry, intermolecular forces, phases and solutions, thermodynamics, kinetics, equilibrium and acid-base chemistry, redox and electrochemistry, organic chemistry and reaction mechanism, analytical methods and spectroscopy, biomolecules, enzymes, bioenergetics and metabolism, membranes and transport, cell architecture, the cell cycle and signalling, and evolution — the chemistry and biology a technical reader actually needs, with the reasoning that transfers.

5 skills

Biomedical Engineering: physiological signal processing, medical imaging modality physics and DICOM internals, clinical data structures, the technicals of clinical machine learning (prevalence, calibration, shortcut learning, the validation ladder), bioinformatics, structural and systems biology, PK/PD, physiological modelling, biomechanics, biomaterials, tissue engineering, neural interfaces and prosthetics, lab automation and instrumentation, and the biostatistics that determine whether any of it holds up.

5 skills

Business, Marketing, Sales and Law: business models and unit economics, strategy, operations and organization, financing, marketing fundamentals and what the evidence actually shows, brand and advertising, measurement and attribution, channels, the sales process, qualification, negotiation, sales management, and a deliberately scoped commercial-law layer covering how legal risk materializes, contracts, intellectual property, employment, privacy and data, consumer protection and marketing law, and disputes.

5 skills

CAD and 3D Printing: geometry representations and kernels, file formats and what each one loses, code-CAD and scripting including the OpenSCAD versus OCCT trade, mesh processing and repair, the slicing pipeline and G-code, the additive processes and the physics that determines part quality, design for additive manufacturing, tolerances and fits, materials, generative design and lattices, automation pipelines, and scanning and reverse engineering.

5 skills

Chaos Theory: what chaos actually is and is not, the stretch-and-fold mechanism, dynamical systems, stability and linearization, bifurcations, the logistic map and Feigenbaum universality, Lyapunov exponents, strange attractors, the routes to chaos, fractals and dimension, Poincare sections and symbolic dynamics, Hamiltonian chaos and KAM, detecting chaos in real data, control and synchronization, where chaos actually appears, and computing chaotic systems numerically.

5 skills

Christian Courtship: a comprehensive multidisciplinary framework for relational progression from community friendship to solemn betrothal and indissoluble covenant marriage. Grounded in orthodox Protestant covenant theology, Roman Catholic sacramental personalism, Eastern Greek Orthodox ascetical mysteriology, Scott Stanley commitment theory, Murray Bowen differentiation of self, and formal game-theoretic verification.

5 skills

Biblical patriarchy, sacrificial male headship, executive domestic governance, authoritative child rearing, and filial piety triangulated across Protestant, Catholic, and Greek Orthodox traditions.

5 skills

Civil and Industrial Engineering for Software Devs: why the engineering comparison keeps coming up, loads and structure, factor of safety, materials, foundations and soil, codes and standards, licensure and liability, failure analysis, construction sequencing, infrastructure systems, what industrial engineering actually is, queueing theory and Little's Law, the Theory of Constraints, lean and the Toyota Production System, Six Sigma and statistical process control, work measurement, scheduling and inventory, human factors and ergonomics, reliability engineering, safety engineering, and an honest account of what transfers to software and what doesn't.

5 skills

Cloud Computing: the service and deployment models and what they actually cost you, the provider landscape and how to choose, core primitives (compute, storage, networking, identity), architecture and the Well-Architected trade-offs, resilience and the hard lessons of the 2025 outages, cost engineering and FinOps, security and the shared responsibility model, data residency and sovereignty under the EU Data Act, operations and observability, migration strategy, multi-cloud and lock-in, sustainability, and the AI-workload economics now reshaping all of it.

5 skills

Compliance Frameworks: NIST 800-171, PCI-DSS v4, SOC 2, CMMC/CUI, and OWASP SAMM security compliance guidance.

5 skills

Cooking, Cleaning and Waste Sciences: the food science (heat transfer, proteins and meat, browning, starch, gluten and gels, fats and emulsions, salt and brining, acid and pH, flavour, fermentation, baking and leavening), food safety (pathogens and temperature, HACCP, cross-contamination and allergens), food service (kitchen organization, restaurant economics, menu engineering, regulation and inspection), cleaning chemistry (surfactants and soil types, water hardness, the cleaning-sanitizing-disinfecting distinction and the mixing dangers, laundry), and waste (wastewater treatment, the waste hierarchy, landfills, recycling assessed honestly, composting).

5 skills

Design Patterns: what a pattern actually is (a vocabulary, not a construction kit), the honest critique of the Gang of Four and which of the 23 survive in modern languages, patterns that are language deficiencies versus patterns that are timeless, the functional and data-oriented alternatives, architectural patterns (layered, hexagonal, DDD, modular monolith, microservices), distributed and resilience patterns (saga, outbox, circuit breaker, CQRS, event sourcing), concurrency patterns, the emerging LLM and agentic pattern language, and the anti-patterns of over-application.

5 skills

Desktop Apps (macOS & Linux): platform architecture (Darwin/launchd/bundles vs kernel/compositor/D-Bus/systemd), SwiftUI/AppKit and GTK4/libadwaita/Qt6, cross-platform frameworks (Electron, Tauri, Flutter, Avalonia, Compose Multiplatform, Rust GUIs), Wayland vs X11, native desktop idioms, packaging and distribution (notarization, Mac App Store, Flatpak, Snap, AppImage, distro packages), auto-update, sandboxing and privacy (TCC, entitlements, XDG portals), and testing/CI.

5 skills

CMOS, Logic Gates and Firmware Engineering: the two layers, diodes, transistors as switches, MOSFET switching behaviour, static CMOS gates, sizing and drive strength, other logic families, power in CMOS, standard cells, Boolean algebra, minimization, combinational building blocks, arithmetic circuits, latches and flip-flops, timing and metastability, state machines, clock domain crossing, HDL and synthesis, test and DFT, the firmware landscape, the boot sequence, root of trust and verified boot, ACPI and platform interfaces, embedded firmware practice, and firmware security.

5 skills

DIY Kit Dev: hobbyist and maker hardware development across Raspberry Pi, Arduino, ESP32, Pico and the wider kit ecosystem — choosing the right board, the current platform lineups and what changed, the electronics fundamentals that stop you destroying things, power (the single biggest cause of mystery failures), sensors and actuators, the software layer (Arduino, MicroPython, CircuitPython, ESP-IDF), physical build and soldering, debugging hardware, networking and home automation, enclosures and fabrication, and the honest path from working prototype to shippable product.

5 skills

Economics, Accounting and Tax: how economics knows what it claims, microeconomics, firms and market structure, market failure, macroeconomics, money and monetary policy, fiscal policy and debt, trade and growth, behavioural findings, double-entry bookkeeping, the three statements, accrual accounting and revenue recognition, the judgement-heavy areas, ratio analysis, GAAP versus IFRS, audit and controls, deliberately general tax fundamentals, book-tax differences and deferred tax, and entity choice.

5 skills

Editors, IDEs and Extension Development: choosing an editor honestly, nano, vim and Neovim's modal model, Emacs, VS Code's multi-process architecture, configuration and workspaces, remote development, the protocol layer of LSP, DAP and Tree-sitter, VS Code extension anatomy, contribution points and activation, API surfaces, webviews, writing a language server, testing and publishing, text buffer data structures, rendering, indexing and code intelligence, the JetBrains platform, terminal UI programming, and editor performance.

5 skills

Electrical Engineering: circuit fundamentals, real component behaviour and parasitics, DC analysis, AC impedance and filters, semiconductors (diodes, BJTs, MOSFETs, thermal), op-amps, digital logic and interfacing, power and regulators, signal integrity and grounding, EMC and EMI, PCB design, test equipment and how not to lie to yourself with a scope, datasheets and part selection, electrical safety, and hardware debugging.

5 skills

Embedded Systems & IoT Controls: silicon, memory, and peripherals; bare-metal, RTOS, and embedded Linux firmware models; C/C++/Rust; real-time concurrency and timing; firmware design patterns; industrial control and OT (PLC, fieldbus, OPC UA, unified namespace); control theory in firmware; connectivity (BLE, Thread, Matter, LoRaWAN, cellular, MQTT/CoAP/Sparkplug); cloud, fleet, and OTA lifecycle; device security and regulation (CRA, RED/EN 18031, IEC 62443, PSA); functional safety (IEC 61508, ISO 26262, DO-178C, IEC 62304); testing; and board bring-up.

5 skills

Entertainment, Comedy, Drama and Storytelling: rules versus heuristics versus descriptions, what a story is, character and desire, structure models assessed honestly, the scene, conflict and tension, dialogue, point of view, theme, exposition and endings, how comedy works, joke mechanics, comedic structure, character comedy and status, improv, standup, timing, offence, acting and directing systems, medium differences, editing and rhythm, and the development process and economics of the entertainment industry.

5 skills

Family and Community Building: how to read claims in this field, attachment, what predicts couple stability, conflict and repair, transitions and dissolution, family systems, family roles and life stages, child development, parenting, behaviour genetics, discipline, siblings and birth order, family structure as contested territory, adversity and resilience, caregiving and aging, social capital, networks and belonging, loneliness and social isolation, third places, congregations and voluntary associations, community organizing, collective efficacy, and how to tell whether a program actually works.

5 skills

Flight Software: what makes spacecraft software different, flight software architecture and the frameworks worth knowing (cFS, F Prime), languages and coding standards including Rust's actual status, flight processors, radiation effects expressed in software terms, real-time discipline and RTOS choice, FDIR, time and clocks, command and telemetry, data handling and in-flight update, GNC software, verification and validation, the ground segment, onboard autonomy and AI, and the failure case studies that produced the rules.

5 skills

Fundamental Physics: quantum mechanics, quantum field theory, the Standard Model, general relativity and astrophysics/cosmology as a single connected reference — the postulates and formalism of QM, path integrals and renormalization, the gauge structure and particle content of the Standard Model, special relativity and the Einstein field equations, black hole solutions and thermodynamics, gravitational waves, FLRW cosmology and ΛCDM, stellar structure and evolution, compact objects, the measurement problem and interpretations, the incompatibility of GR and QFT, and the anomalies that are currently live.

5 skills

Game Theory: the framework and what rationality actually assumes, normal and extensive form representations, dominance, Nash equilibrium and what it is not, the classic games, zero-sum and minimax, sequential games and subgame perfection, repeated games and the folk theorem, incomplete information and Bayesian games, bargaining, cooperative game theory, mechanism design and auctions, matching markets, evolutionary game theory, where the theory fails empirically, and computational game theory.

5 skills

Genetics and Neuroscience: molecular genetics and the central dogma stated accurately, gene regulation and epigenetics, mutation, variation and inheritance, population and quantitative genetics including heritability and polygenic scores, genome engineering and the CRISPR toolbox, delivery, screens and synthetic biology, neuron biophysics and synapses, plasticity, neural coding, circuit architectures, neuromodulation, development and glia, neural engineering methods, and stimulation and intervention.

5 skills

Geoscience: Earth structure and plate tectonics, minerals and rocks, deep time and stratigraphy, deformation and structure, earthquakes and seismology including the magnitude-versus-intensity distinction and prediction versus forecasting, volcanism, surface processes, soils, surface hydrology, groundwater, oceanography, the cryosphere, biogeochemical cycles, resources, natural hazards, and observation and geophysics.

5 skills

Geospatial Software: coordinate systems and the axis-order problem, projections, vector and raster data models, file formats, spatial indexing, spatial databases, tiling, rendering, routing and route-finding, geocoding, GNSS and positioning including real accuracy and the altitude trap, spatial analysis, remote sensing, data sources, and location privacy.

5 skills

Graphics and Vision: transforms and projective geometry, rasterization, shading and physically based rendering, ray tracing and the rendering equation, GPU architecture and APIs, real-time techniques, colour and tone mapping, image formation and camera calibration, classical computer vision, multiple view geometry, deep learning for vision, neural rendering where the two fields meet, and performance.

5 skills

How Cars Work — and How Mechanics Do Their Jobs: the four-stroke cycle, engine anatomy, the air path, fuel and injection, ignition and knock, engine management and closed-loop control, cooling and lubrication, emissions aftertreatment, diesel specifics, transmissions, driveline and differentials, suspension, steering and alignment, brakes, tyres, the 12V system, vehicle networks, ADAS, air conditioning, EV architecture, batteries and degradation, high-voltage safety, hybrids, corrosion, diagnostic method, OBD-II and scan data, tools, common misdiagnoses, and maintenance and shop economics.

5 skills

Botany, Agriculture, Livestock and Hunting: plant structure, photosynthesis and the three pathways, water relations, plant nutrition, reproduction and pollination, ecology and succession, plant identification and its hard limits, plant pathology, weeds, soil, fertility management, crop production, integrated pest management, water and irrigation, breeding and genetics, farming systems assessed honestly, ruminant digestion, livestock nutrition, reproduction, herd health and biosecurity, livestock genetics, grazing management, welfare, wildlife management, and hunting law, ethics, safety, shot placement and game meat safety.

5 skills

Individual Social Philosophy: a comprehensive micro-sociological and ethical framework for navigating interpersonal life. Grounded in biblical wisdom, Catholic scholasticism, Eastern Orthodox asceticism, and Protestant casuistry, integrating game-theoretic trust asymmetry and objective social risk calculation.

5 skills

IT Infrastructure and Governance: the infrastructure layers, compute and virtualization, storage, networking, directory services and hybrid identity, authentication, authorization and RBAC, privileged access, the identity lifecycle (joiner-mover-leaver), access review and certification, segregation of duties, endpoint management and patching, backup, DR and continuity, monitoring and logging, ITSM and change management, asset and configuration management, governance frameworks, capacity and lifecycle, and vendor and third-party risk.

5 skills

Linux Server Administration: the filesystem and file semantics that surprise people, users, permissions and capabilities, processes and resource control, systemd (units, ordering, hardening directives, journald, timers), storage and LVM and filesystems, networking and its diagnosis order, packages and distributions, boot, security hardening including SELinux and AppArmor and SSH, observability and performance with eBPF, a troubleshooting methodology, containers and namespaces, configuration management, and backup and recovery.

5 skills

Logistics and Optimization Software: why optimization projects fail, complexity assessed honestly, linear programming, MIP and branch-and-bound, modeling well, constraint programming, metaheuristics, local search and large neighbourhood search, bounds and solution quality, shortest path and network flow, the TSP, vehicle routing as the core problem, packing and loading, assignment and matching, scheduling, facility location and network design, inventory, forecasting, warehouse operations, last mile, the data layer, dynamic and stochastic problems, and solvers and tooling.

5 skills

Loving People Well: a backward-induction framework of relational stewardship, presence, cognitive memory, bounded mercy, and radical surrender in Christian ethics. Grounded in Richard Bellman's principle of backward induction, Dietrich Bonhoeffer's life together, Thomas Aquinas's caritas and affabilitas, Eastern Orthodox kenosis and hesychia, and modern attention economics.

5 skills

Low-Code / No-Code: platforms across the whole spectrum — block-based education tools (Scratch, LEGO, micro:bit), workflow automation (n8n, Zapier, Make, Power Automate), integration and iPaaS (MuleSoft, Boomi, Workato), data pipelines and ETL (Alteryx, Matillion, dbt), app builders (Power Apps, Retool, Airtable, Bubble), RPA, and the AI app-generation wave now reshaping the category — plus how to choose, the governance and escape-hatch problems that bite later, licensing traps, the security evidence, and when to write code instead.

5 skills

Making Fabric, Clothing and Furniture — and Caring for Them: fibre properties, yarn and spinning, weaving, knitting, nonwovens and felt, dyeing and finishing, fabric properties, grain, pattern drafting and ease, cutting and layout, seams and stitches, construction order, fitting, machines, needles and thread, hand sewing, wood movement, joinery, adhesives and fasteners, wood finishing, upholstery, seating and frames, how laundering actually works, fibre-specific care, stain removal, drying, ironing and storage, and mending and pest control.

5 skills

Manufacturing and Mechanical Engineering for Software Devs: what mechanical engineers actually do, stress, strain and deflection, failure theories and safety factors, fatigue, materials selection, machine elements, mechanisms and kinematics, tolerances and GD&T, the process families, casting and forming, machining, joining, additive manufacturing, injection moulding, sheet metal, surface treatment, design for manufacture and assembly, metrology and quality, scale economics, CAD, CAE and simulation, PLM as version control for atoms, the physical supply chain, new product introduction, and what transfers to software and what doesn't.

5 skills

Math and Science Programming: numerical and scientific computing for software engineers — floating-point arithmetic and the errors it causes, conditioning and stability, the BLAS/LAPACK substrate everything stands on, the tool landscape (MATLAB, Python's scientific stack, Julia, R, Fortran, Mathematica) and how to choose, symbolic versus numeric computation, linear systems, ODEs and PDEs, optimization, statistics and uncertainty, high-performance and GPU computing, and the verification, validation and reproducibility practices that separate trustworthy scientific software from plausible-looking output.

5 skills

Media Engineering: music, audio, video, TV, film and podcast engineering for software engineers — the fundamentals of digital media, containers and codecs as engineering choices, audio production and plugin formats, video production, colour and timecode, loudness standards and why your mix is quiet on streaming, transcoding pipelines and ABR packaging, streaming delivery (HLS, DASH, CMAF, WebRTC and Media over QUIC), DRM, captions and accessibility, podcast infrastructure and dynamic ad insertion, metadata and rights identifiers, and the AI generation layer with its live licensing fight.

5 skills

Mobile Development: enterprise mobile on Azure — React Native New Architecture, native iOS (Swift/SwiftUI) and Android (Kotlin/Compose), mobile UI/UX and design patterns, Azure hosting/Intune/CI-CD after App Center, and mobile security (OWASP MASVS, secure storage/comms, MFA/passkeys).

5 skills

Music Theory Fundamentals: the three layers of claim music theory makes, the harmonic series, psychoacoustics, tuning and temperament, pitch, intervals and notation, scales and modes, rhythm and meter, timbre, chords, functional harmony, cadence and phrase, modulation and chromaticism, counterpoint, form, analytical methods, melody, jazz harmony, popular music, non-Western systems, twentieth-century and later practice, and music and meaning.

5 skills

Nanotechnology: the scaling laws and which forces matter at the nanoscale, quantum confinement and tunnelling, top-down fabrication and lithography, bottom-up synthesis and self-assembly, the semiconductor process and what a node name actually means, characterization methods, nanomaterials (carbon, 2D materials, nanoparticles and their optics), DNA nanotechnology, nanomedicine, computational nanoscience from DFT through machine-learned interatomic potentials, and nanoparticle safety and environmental behaviour.

5 skills

Newtonian Mechanics: kinematics, Newton's laws stated precisely and the misconceptions they generate, free-body diagrams, the forces (gravity, normal, friction, drag, spring and tension), work, energy and power and why conservation laws run deeper than Newton's laws, momentum and collisions, rotation, rigid bodies and gyroscopes, oscillations and resonance, central forces and orbits, non-inertial frames, Lagrangian and Hamiltonian mechanics, fluids, chaos and the limits of prediction, and numerical integration including why symplectic integrators matter.

5 skills

Nuclear Physics: nuclear structure and the binding energy curve, radioactive decay, reactions and cross sections, radiation and dose, fission physics, reactor physics including criticality, moderation, delayed neutrons and reactivity feedback, reactor types, the fuel cycle and waste, reactor safety, fusion physics, magnetic and inertial confinement, why fusion is hard to engineer, and detection and measurement.

5 skills

OS Development (Linux Kernel & Shell): kernel architecture and programming in C and Rust, modules and drivers, kernel concurrency, syscalls and the userspace ABI, eBPF and sched_ext, boot and init, systemd/cgroups/containers, the kernel development process, debugging and tracing (ftrace, perf, KASAN, crash dumps), security and hardening, plus the shell layer — POSIX sh/bash/zsh/fish/nushell semantics and their traps, choosing a shell, defensive scripting, and the coreutils/systemd userland.

5 skills

Package Manager Development: version schemes and constraints, manifests, dependency resolution (backtracking, SAT, PubGrub, MVS), lockfiles and reproducibility, registry design, cache/layout/linking (flat, nested, content-addressed, PnP), publishing and authentication (trusted publishing, OIDC, provenance, Sigstore, SLSA), supply-chain attacks and defenses, lifecycle scripts, workspaces and monorepos, performance, UX, the cross-ecosystem comparison (npm, pip/uv, Cargo, Go modules, Maven, NuGet, apt/dnf, Nix), and governance.

5 skills

Pedagogy and the Study of Learning and Teaching: the reliability gradient in education research, memory architecture, cognitive load theory, the robust effects of spacing, retrieval and interleaving, prior knowledge and expertise, motivation, metacognition and the illusion of fluency, explicit instruction versus discovery, worked examples, explaining and modelling, questioning, feedback, assessment, reading and mathematics instruction, curriculum and sequencing, classroom practice, differentiation, higher education, adult learning, educational technology, how to read education research, zombie ideas, and teacher expertise.

5 skills

Power Engineering: AC power fundamentals including real, reactive and apparent power and frequency as the balance signal, generation, transmission and distribution, power system analysis (power flow, state estimation, fault analysis, stability), protection and relaying, SCADA, EMS and DMS, the protocols, inverters, renewables and the inertia problem including grid-following versus grid-forming, storage, markets and dispatch, writing grid software and why OT is not IT, and datacenter power.

5 skills

Programming Language Development: language design decisions and their consequences, lexing and parsing, names/scopes/modules, type systems (inference, HM, bidirectional, subtyping, generics, traits, effects, ownership, dependent types), intermediate representations (SSA, CPS, ANF, MLIR-style), optimization, code generation and backends (LLVM, Cranelift, custom, WebAssembly), runtime systems and GC, interpreters and JITs, diagnostics, incremental compilation and IDE support, testing and verification, standard library and ecosystem design, and language evolution and governance.

5 skills

Quantum Computing: the physical and mathematical foundations and the circuit model, what quantum computers can and cannot do, the algorithm canon (Shor, Grover, HHL, VQE/QAOA, quantum simulation) and their honest complexity claims, noise and the NISQ era, error correction and fault tolerance, hardware modalities and where the hardware actually is, the software stack (Qiskit, Cirq, PennyLane, CUDA-Q, OpenQASM), resource estimation, evaluating quantum-advantage claims, applications, quantum networking and sensing, and post-quantum cryptography and migration deadlines.

5 skills

Refrigeration, AC, Climate Control and Food/Water Storage: the vapour-compression cycle in practice, components, refrigerant properties and safety classification, charge, evacuation and leaks, diagnosis by superheat and subcooling, alternative cooling approaches, load calculation, air distribution, humidity control, ventilation and indoor air quality, heat pumps, controls, the building envelope, why food spoils, the cold chain as a system, temperature limits, chilling and freezing, controlled atmosphere, transport refrigeration, monitoring and validation, the pharmaceutical cold chain, preservation without refrigeration, and water storage and treatment.

5 skills

Reporting and Dashboards: the analytics architecture, dimensional modelling, the aggregation traps (fan-out, the chasm trap, additivity, and why distinct counts do not decompose), metric definition pitfalls, the semantic layer, time handling, query performance, caching and freshness, dashboard design, chart selection, alerting, access control, embedded analytics, and testing analytics.

5 skills

Robotics Software: professional robotics software engineering — the architecture of a real robot stack, ROS 2 and the middleware layer, perception and sensor fusion, state estimation and SLAM, motion planning, control theory from PID through MPC and whole-body control, the learning layer (reinforcement learning, imitation learning, and the vision-language-action foundation models now reshaping the field), simulation and sim-to-real, real-time and safety-critical engineering, testing and field deployment, functional safety and the ISO 10218:2025 regime, and aerospace flight-software practice.

5 skills

Rocket Science: the physics and engineering mathematics of rocketry — derivation of the rocket equation and staging optimization, nozzle thermodynamics and isentropic flow, combustion chamber physics and characteristic velocity, turbomachinery and cycle thermodynamics, regenerative cooling and heat transfer, propellant chemistry, orbital mechanics from the two-body problem through patched conics and perturbations, ascent trajectory optimization, aerodynamic loads, structural mechanics of thin-walled tanks, guidance and control mathematics, reentry heating physics, and combustion instabilities and failure physics.

5 skills

Security Principles: cybersecurity first principles, threat modeling playbook, AI-era security field guide, AI safety and secure development practices for Python and TypeScript/Next.js, and confidential AI inference — TEEs, GPU confidential computing, remote attestation, Oblivious HTTP and transparency logs.

5 skills

Signal Processing: digital signal processing for software engineers — sampling, aliasing and quantization, the frequency domain and the FFT (including the windowing and leakage traps), filter design and the FIR/IIR trade-off, convolution and correlation, multirate processing, adaptive filtering and estimation, spectral analysis, audio and speech processing, RF and communications, image and video as 2D signals, the fixed-point and real-time implementation layer, and the classical-versus-learned convergence now reshaping audio DSP.

5 skills

Social Media Engineering: building social systems (feed and timeline architecture, social graphs, ranking, notifications, media handling, moderation at scale), integrating with platform APIs and surviving their pricing and policy changes, the open protocols (ActivityPub and AT Protocol) and what federation actually costs, the regulatory layer (DSA, Online Safety Act, age assurance) that now determines what you may ship, spam and abuse engineering, and the practical question of a developer's own presence.

5 skills

Space Exploration: mission architecture and the design cascade where everything is mass, trajectory and mission design, power, thermal control, communications and the link budget, navigation and autonomy, attitude control and in-space propulsion, entry, descent and landing and surface operations, human physiology and its hard limits, life support and ISRU, radiation environments and shielding, instrumentation, planetary protection, and reliability and margins.

5 skills

Theory of Computation: what is computable and what isn't (halting, Rice's theorem, and why your linter has false positives), automata and the Chomsky hierarchy as a practical design tool, regular languages and the ReDoS failure mode, parsing and grammar classes, Turing machines and reductions, complexity classes and NP-completeness recognition, what to actually do when your problem is NP-hard, SAT/SMT solvers, fine-grained complexity and conditional lower bounds, space complexity and streaming, distributed computing impossibility results (FLP, CAP, consensus), type systems and Curry–Howard, and randomness and approximation.

5 skills

Trading Mechanics: what the outcome evidence actually shows about retail trading, market microstructure, orders and execution, the asset classes, derivatives, technical analysis assessed honestly, quantitative and factor approaches, swing and day trading, real versus apparent arbitrage, forex, DeFi mechanics, risk and position sizing, costs and frictions, backtesting pitfalls, psychology and harm, and regulation and tax. A mechanics reference, not investment advice or a strategy.

5 skills

UI/UX Design Principles: the perceptual and cognitive science underneath interface decisions, usability heuristics and mental models, information architecture and navigation, input and interaction per form factor, layout and responsive/adaptive design, visual design (typography, color, space, motion, iconography), design systems and tokens, platform conventions (Apple HIG, Material 3, GNOME/KDE HIG, Fluent), accessibility law and practice (WCAG 2.2/3.0, EAA, ADA Title II, APCA), UX writing, forms/onboarding/conversion, research and evaluation, ethics and dark-pattern regulation, and AI-era interface patterns.

5 skills

Video Game Development: engine selection and licensing, the game loop and time step, code architecture (ECS vs OOP), rendering pipelines and graphics APIs, physics and collision, animation, audio, gameplay AI and pathfinding, networking and multiplayer (rollback, prediction, lag compensation), tools and content pipelines, performance and frame budgets, game feel, build/test/QA and certification, production and scope management, and the business context (live ops, monetization, platforms, legal).

5 skills

VR and AR Development: the perceptual constraints (motion-to-photon latency, cybersickness, the vergence-accommodation conflict, presence), displays and optics, tracking, the XR rendering pipeline including reprojection and foveated rendering, input and interaction with locomotion as the highest-risk design decision, AR spatial understanding, platforms and APIs, spatial audio, comfort, safety and accessibility, UX design for 3D, and performance budgeting.

5 skills

Weather Science: the structure of the atmosphere, radiation and the energy budget, thermodynamics and stability, moisture and clouds, the dynamical balances (geostrophic, thermal wind, vorticity), the general circulation, synoptic meteorology and baroclinic instability, thunderstorms and severe weather, tropical cyclones, the boundary layer, observation, numerical weather prediction including data assimilation and ensembles, forecast verification, predictability and chaos, machine-learning weather prediction, and the weather-versus-climate distinction.

5 skills

Web Browser Development: the engine landscape, the multi-process model with IPC and sandboxing, networking (HTTP/2/3, TLS, caching, DNS), HTML parsing and the DOM, CSS cascade and style resolution, layout/paint/compositing and the GPU pipeline, JavaScript engine integration and the event loop, the security model (same-origin policy, CORS, CSP, site isolation, Spectre mitigations, memory safety), privacy and anti-tracking, extensions, storage/media/capabilities, accessibility, standards and interop, and testing, telemetry, and shipping.

5 skills

Web Scraping: the legal and regulatory landscape (CFAA and the hiQ/Bright Data line, contract and ToS exposure, the DMCA §1201 shift, copyright and TDM, GDPR and the EDPB's 2026 scraping guidelines, the EU AI Act), when not to scrape and what to do instead, robots.txt and the emerging crawl-permission layer, how the modern web actually serves data, the tool ladder (requests, curl_cffi, Scrapy, Playwright, managed services), parsing and extraction, bot detection, scale and reliability engineering, data quality, storage and pipelines, operational ethics, scraping for AI and RAG, and building a site that handles crawlers well.

5 skills

Working with Wood and Metal: the two materials compared, shop safety, reading wood, stock selection and preparation, layout and marking, hand tools, sharpening, machines, the table saw, joinery technique, glue-ups, wood finishing, metal in the shop, what changes when you work metal, marking out, cutting metal, drilling and tapping, manual machining, the welding processes, brazing and soldering, forming and forging, heat treatment, metal finishing, fasteners and fits, measurement, and shop setup with dust and fume control.

5 skills

AI and Data Engineering: data pipelines and warehousing, AI/ML landscape and production patterns, RAG and AI agent development, and LLM token and cost optimization on Azure (including provider-agnostic prompt/context compression).

4 skills

AI Chatbot Strategy: foundational AI and chatbot concepts for business, RAG architecture explained for non-technical decision-makers, custom chatbot build and deployment guide, and chatbot business value with ROI frameworks.

4 skills

Assembly Programming: instruction-level reference for x86-64, AArch64, and RISC-V — the machine model, calling conventions and ABIs, assemblers and toolchains, reading disassembly, performance engineering, SIMD/vector (SSE/AVX/AVX-512, NEON/SVE2/SME, RVV), systems and constant-time cryptographic assembly, inline assembly and intrinsics, and debugging/verification.

4 skills

Cryptocurrency Development: blockchain engineering at both layers — protocol (consensus and finality, execution/consensus clients, the EIP process, EVM internals, L2s and rollups, cross-chain) and application (Solidity/Vyper, contract architecture and upgradeability, ERC standards and account abstraction, DeFi primitives and MEV, Foundry/Hardhat testing, fuzzing and formal verification, the vulnerability canon, deployment and key management).

4 skills

Currency Research: auditing an evidence-grounded reference for staleness — the durability tiers, deciding whether a finding warrants an edit at all, web search and source-quality practice, dating a claim, the fabrication failure mode, editing a SKILL.md without disturbing its structure or cross-references, and opening the weekly pull request.

4 skills

DevSecOps and CI/CD: end-to-end pipeline security, Bitbucket/Azure DevOps integration, CI/CD field guide with OIDC/supply-chain/progressive delivery, and GitHub/Atlassian advanced practitioner survey.

4 skills

eCommerce Development: commerce and payments systems — architecture, the payment lifecycle (authorization, capture, settlement, refunds), integration engineering (idempotency, webhooks, reconciliation, state machines), PSPs and gateways (Stripe, PayPal, Adyen, Braintree), payment methods and rails (cards, wallets, ACH/SEPA, SWIFT/ISO 20022, BNPL, instant payments), SCA and 3-D Secure, authorization rates and decline handling, fraud and chargebacks, PCI DSS scope and the SAQ A trap, subscriptions and billing, marketplaces and payouts, tax and cross-border, the platform layer (Shopify, headless, custom), catalog/cart/checkout and conversion, and agentic commerce protocols.

4 skills

Engineering Process: requirements gathering and elicitation, SDLC models and practices, process engineering and project management frameworks, and research methodology with Turabian citation standards.

4 skills

Machine Learning: problem framing and when not to use ML, data work and leakage, the classical toolkit (gradient boosting, linear models, clustering), deep learning fundamentals and architectures (transformers, CNNs, diffusion), the PyTorch/JAX ecosystem and torch.compile, training at scale (DDP, FSDP, tensor/pipeline parallelism, mixed precision), fine-tuning and PEFT/LoRA, honest evaluation, debugging training, inference and serving (vLLM, SGLang, quantization, KV cache), MLOps and reproducibility, hardware and cost, and interpretability, fairness, and safety.

4 skills

Penetration Testing and Offensive Security: authorized offensive work as a profession — the authorization and legal foundation (CFAA, Computer Misuse Act, bug bounty and VDP scope, rules of engagement) that separates it from a crime, engagement types and scoping, the standard methodologies (PTES, OWASP WSTG, NIST SP 800-115, MITRE ATT&CK), reconnaissance and attack surface, testing per domain (web, network, Active Directory and identity, cloud, API/mobile/wireless/OT/hardware), social engineering and physical, red/purple teaming and post-exploitation, testing AI systems, and reporting, remediation, coordinated disclosure, and career and certification. A methodology, process, and professional-practice reference — not an exploit cookbook.

4 skills

Smart TV App Development: the platform landscape (Roku, Tizen, webOS, Android TV/Google TV, Fire OS, Vega OS, tvOS, VIDAA, SmartCast) and programming model per platform, the 10-foot UI and focus/spatial navigation, remote-control input, video playback and adaptive streaming (HLS/DASH), DRM (Widevine, PlayReady, FairPlay), performance and memory on constrained hardware, lifecycle and deep linking, monetization and CTV advertising (VAST, SSAI, ad pods), certification and store submission, testing on real devices, analytics/QoE, cross-platform strategy, and accessibility, privacy, and ACR.

4 skills

vibey-bootstrap (formerly azure-bootstrap): usage reference for the vibey-bootstrap Python library (v4.0.0) — the 4-phase logging↔config bootstrap, v2 stdlib primitives, ten logging transports, opt-in Tier 2/Tier 3 subpackages, v3 DB/outbox/email/HTTP/AKS/governance/scaffold modules, end-to-end recipes, and TypeScript/Next.js HTTP integration plus pattern ports.

4 skills

Architecture, implementation, testing, and dependency policy.

2 skills · 1 command · 1 agent

Comprehensive FOSS, API, SEO, crawler, and LLM documentation maintenance.

2 skills · 1 command · 1 agent

Exact-head PR review, repair, conflict resolution, and merge-train operations.

2 skills · 1 command · 1 agent

Agile Delivery: Security-First Scrum methodology, evidence-based delivery velocity, and engineering metrics.

3 skills

Azure Cloud Infrastructure: Azure RBAC administration, Kubernetes IaC with GitOps/Helm/Terraform, and Azure service catalog with production decision guide for compute, messaging, networking, and AI.

3 skills

Frontend Design: graphic design and UX/UI best practices, Next.js production patterns, and full-stack performance optimization for Python, Next.js, and Azure.

3 skills

Okta API Reference: the core Management REST API and official Python SDK, the Identity Governance (OIG) API surface and its lack of a Python SDK, and the current landscape of MCP servers for Okta core and IGA automation.

3 skills

Quality Engineering: Python testing and quality practices, test strategy and frameworks, and systematic debugging with observability — structured logging, OpenTelemetry, distributed tracing, and error handling patterns.

3 skills

Security-First Development: secure greenfield development with Security-First Scrum, codebase modernization, and enterprise cybersecurity implementation.

3 skills

Software Architecture: production architecture for Python, Next.js/TypeScript, and Azure at scale; Azure architecture patterns; and the software design process including ADRs, C4 model, fitness functions, and just-enough design.

3 skills

Safe releases, provenance, publishing, branch protection, and incident response.

2 skills · 1 agent

Network Engineering: networking fundamentals from first principles through 2026 gold standards including eBPF, Cilium, and AKS.

2 skills

Neurodiversity at Work: low-ambiguity workplace communication scripts, preference questions and a How-I-Work one-pager; accommodation, disclosure and interview language under the US ADA with JAN's guidance. Educational, not medical or legal advice.

2 skills

Drive vibey from Claude Code, Codex, Cursor, VS Code or any MCP chat client: MCP server wiring (`vibey mcp`) and the host-driven operator workflow skill.

1 skill · 1 MCP server

Christian Pastoral Care: faith-integrated self-compassion — an evangelical theology of grace, shame and identity in Christ, spiritual disciplines adapted for neurodivergent believers, and the clinical evidence for religiously adapted self-compassion, alongside professional care. Pastoral and educational, not therapy.

1 skill

Consumer Bankruptcy: Chapter 7 in South Carolina — the means test and its six-month look-back, costs and fee waivers, how attorneys are paid, the timeline and the automatic stay, surrendering a house or car, disclosure, SC exemptions, what is not discharged, what to avoid before filing, credit effects and alternatives. A research reference, not legal advice.

1 skill