All development skills for systemprompt.io: Rust backend (extensions, CLI binaries, MCP servers), web features, canonical per-language coding standards (Rust, JavaScript, CSS) with mechanical forbidden-construct tables, HTML/asset workflow, print factsheet design, distribution-channel validation, and UX/UI design system (visual design, component patterns, modern CSS, interaction patterns)
20 skills
Shared infrastructure: daily master brief (single autonomous entry point with Yesterday Debrief gate, Key Stats headline block, and reports/summary/ trend store), product identity, brand voice, brand review, marketing identity, marketing strategy, marketing briefs, hypothesis ledgers (H-###), CLI reference, and patterns for hypothesis ledgers, strategy documents, and daily briefs used across all domains
14 skills
Content creation and publishing: three writer+optimiser pairs (guides, features, documentation) with research-first workflows, per-content reports, and deterministic audit scoring. Feature writer+optimiser now enforce Technical-Marketing Synthesis (Rule 6: ten sub-checks including coined terminology, dropdown alignment, plain-English narrative, and natural flow) on top of Why-What-How. Canonical exemplar is Secrets Management 'Last Mile Secrets Delivery'. Daily content brief, content hypothesis ledger (CT-###), content strategy master, image generation, multi-channel distribution (Dev.to, Medium, LinkedIn, Reddit, email), and end-to-end publishing via CLI
12 skills
Social media engagement: LinkedIn posting and DM outreach, three-skill Reddit pipeline (audience-finder for subreddit qualification, monitor for daily opportunity scanning, post-composer for genuine non-marketing posts), X/Twitter threads, cross-platform coordination, and daily social brief
10 skills
Pipeline management: daily CRM briefs, CRM strategy document, hypothesis-driven action tracking (C-### ledger), pipeline state tracking, lead-tracker funnel measurement (now including crates.io download counts), world-class lead enrichment (7 data sources: Gmail, GitHub, WebSearch, company website, email domain, internal cross-ref, analytics), and email outreach via Resend API
9 skills
Search engine optimisation: daily SEO brief (renamed from seo-monitor), DataForSEO keyword tracking, hypothesis-driven SEO testing (S-### ledger), AI agent answer-engine optimisation (AEO), and living strategy document maintenance
6 skills