superpowers
claudecodexCore skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques
15 skills · hooks
Scan a codebase, review it against a chapter-backed checklist, size the next 10x with a deterministic calculator, and write design documents with trade-offs; 28 condensed case studies.
Plugin system-design-skills from marketplace system-design-skills in alexey1312/System-Design-Agent-Skill. Commands read from the repo's manifest — 27 days ago.
system-design-advisorReference and design assistant for real systems, grounded in the System Design Interview books (Alex Xu, Vol. 1 and 2). Use when someone asks how to design, scale, fix or review a service or architecture, which store, cache, queue, index or pattern to use, what breaks at 10x traffic, how to plan cap
system-design-content-platformsDesign the read-heavy content products the System Design Interview books cover: a URL shortener (base-62 vs hash, 301 vs 302), a web crawler (URL frontier, politeness, priority, freshness), a news feed (fan-out on write vs on read, cache layers), search autocomplete (trie with cached top-k, weekly a
system-design-geospatialDesign the location-based systems the System Design Interview books cover: a proximity service (geohash vs quadtree vs Google S2, neighbour cells, Redis geohash cache), nearby friends (WebSocket servers, Redis pub/sub fan-out, location cache with TTL, hash ring for channels) and Google Maps (map til
system-design-infrastructureDesign the infrastructure components the System Design Interview books cover: a rate limiter (token bucket, leaky bucket, sliding windows), consistent hashing with virtual nodes, a Dynamo-style key-value store (quorum, vector clocks, gossip, hinted handoff, Merkle trees), a Snowflake unique ID gener
system-design-realtime-messagingDesign the real-time delivery and event pipelines the System Design Interview books cover: a notification system (APNS, FCM, SMS, email; queues, retries, deduplication), a chat system (WebSocket, presence, multi-device sync, group fan-out), a distributed email service (SMTP flows, metadata store, se
system-design-transactionsDesign the money- and inventory-critical systems the System Design Interview books cover: a hotel reservation system (room-type inventory, idempotency key, optimistic vs pessimistic locking, database constraints, overbooking), a payment system (PSP integration, hosted payment page, double-entry ledg
Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques
15 skills · hooks
AI-powered codebase understanding — analyze, visualize, and explain any project
9 skills · 10 agents · hooks
Editorial diagrams in your brand, as self-contained HTML and SVG. Architecture, flowcharts, sequence, state machines, ER and database schemas, timelines, swimlanes, org charts, Gantt, Wardley maps, user journeys, service blueprints, UML class, lifecycle phase maps, and charts from bar, line and scatter to Sankey, treemap and heatmap, plus many more. Redraws draw.io, Mermaid, Excalidraw and PlantUML files. Exports SVG and PNG.
1 skill · 7 commands
Up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your coding agent's context.
1 MCP server
Build powerful, stateful CLI interfaces for any GUI application using the cli-anything harness methodology.
5 commands
Automates browser interactions for web testing, form filling, screenshots, and data extraction
12 skills
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