
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.
Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).
Orchestrate multi-step workflows by decomposing into subtasks, dispatching them, and monitoring via foreground polling loops. Prevents session timeout kills during long-running orchestration. Use when coordinating multiple agents or running multi-phase work that takes more than a few minutes.
Full API endpoint reference for SAM. Use when working on API routes, adding endpoints, writing API tests, or understanding the API surface. Trigger when asked about API endpoints, routes, or HTTP interfaces.
Full API endpoint reference for SAM. Use when working on API routes, adding endpoints, writing API tests, or understanding the API surface.
Business strategy and planning. Builds market sizing (TAM/SAM/SOM), business model canvas, pricing analysis, revenue models, and go-to-market plans. Trigger when asked about market sizing, pricing strategy, business model, revenue projections, unit economics, or GTM planning.
Recent feature changes and implementation details for SAM. Use when understanding recent changes, checking what was modified recently, or understanding feature history. Trigger when asked about recent changes, what's new, or feature history.
Recent feature changes and implementation details for SAM. Use when understanding recent changes, checking what was modified recently, or understanding feature history.
Competitive research and market analysis. Builds competitor profiles, feature matrices, SWOT analyses, and positioning maps.
Constitution compliance validator focusing on Principle XI (No Hardcoded Values). Detects hardcoded URLs, timeouts, limits, and identifiers that should be configurable. Use proactively when implementing business logic, adding new features, or reviewing PRs for constitution compliance.
Content creation from strategy artifacts. Drafts social posts, blog outlines, changelogs, launch copy, and developer content.
Engineering strategy and technical planning. Builds roadmaps, technology radar, build-vs-buy analyses, and tech debt registers.
Engineering strategy and technical planning. Builds roadmaps (Now/Next/Later), technology radar, build-vs-buy analyses, and tech debt registers. Trigger when asked about roadmap planning, technology evaluation, build-vs-buy decisions, or tech debt prioritization.
Full environment variable reference for SAM. Use when adding, modifying, or documenting environment variables, configuring deployment, or working with Worker secrets. Trigger when asked about env vars, secrets, or configuration.
Full environment variable reference for SAM. Use when adding, modifying, or documenting environment variables, configuring deployment, or working with Worker secrets.
Go code review specialist for VM Agent. Reviews PTY management, WebSocket handling, JWT validation, idle detection, and Go idioms. Use when working in packages/vm-agent/ or reviewing Go code changes.
Task completion validator. Cross-references task file research findings, implementation checklist, and acceptance criteria against the actual git diff and test suite. Catches planned work that was never executed. Mandatory before archiving any task.
UI/UX specialist for web surfaces. Use for any UI change in apps/web or packages/ui to enforce mobile-first layout quality, visual hierarchy, interaction clarity, and accessibility with screenshot-backed validation.
Business strategy and planning. Builds market sizing (TAM/SAM/SOM), business model canvas, pricing analysis, revenue models, and go-to-market plans.
End-to-end autonomous task executor. Takes a task description and handles the full lifecycle: research, plan, implement, review with specialist skills, and merge via PR. Use when given a task to execute end-to-end.
Marketing strategy and positioning. Builds positioning documents, messaging guides, content calendars, channel strategy, and gap analyses.
Security review specialist for credential safety, OWASP vulnerabilities, JWT validation, and WebSocket security. Use proactively after implementing auth, encryption, credential handling, or workspace access code. Invoke before PRs touching security-sensitive files.
Content creation from strategy artifacts. Drafts social media posts, blog outlines, changelog announcements, product launch copy, and developer content. Trigger when asked to write social posts, blog content, announcements, launch copy, or atomize strategy docs into publishable content.
Orchestrate multi-step workflows by decomposing into subtasks, dispatching them, and monitoring via foreground polling loops. Prevents session timeout kills during long-running orchestration. Use when coordinating multiple agents or running multi-phase work that takes more than a few minutes.
Cloudflare Workers architecture specialist. Advises on D1 migrations, KV usage patterns, R2 binary distribution, wrangler configuration, and Miniflare testing. Use when modifying wrangler.toml, working with Cloudflare services, or setting up testing infrastructure.
Documentation synchronization validator. Ensures CLAUDE.md, self-hosting.md, constitution.md, and other docs match actual code implementation. Checks for stale references, missing documentation, and inconsistent descriptions. Use proactively when modifying code interfaces, adding features, or updating documentation.
Environment variable consistency validator. Checks GH_* vs GITHUB_* naming conventions, validates documentation matches code, and ensures deployment scripts correctly map secrets. Use proactively when modifying environment variables, updating CLAUDE.md, editing configure-secrets.sh, or changing the Env interface.
Test generation specialist for TDD compliance and coverage enforcement. Generates comprehensive tests following Vitest patterns for TypeScript and Go testing conventions. Use proactively during TDD phases, when implementing critical paths, or when coverage needs improvement.
Competitive research and market analysis. Builds competitor profiles, feature matrices, SWOT analyses, and positioning maps. Trigger when asked about competitors, market landscape, competitive gaps, or feature comparisons.
Marketing strategy and positioning. Builds positioning documents, messaging guides, content calendars, channel strategy, and gap analyses. Trigger when asked about positioning, messaging, marketing gaps, content planning, or channel strategy.