Agent skills

Documentation skills

Read straight from the source repositories, not from submitted listings. Every skill shows what it does, what is inside, where it came from — and whether attention around its source is actually growing.

Toolclaude-code 29,140codex 4,755cursor 3,111copilot 976windsurf 55cline 34
CategoryWorkflow & Productivity 4,979AI & Agents 3,037Data & Analytics 2,345Code Review & Quality 1,376Backend & API 1,244Security 1,194Design & Presentation 1,154Documentation 965Content & Marketing 916Testing & QA 777DevOps & Cloud 576Databases 550Frontend 469Business & Finance 328Media & Video 257Other 9,833
2,157 found
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scikit-learnMachine learning in Python with scikit-learn. Use when working with supervised learning (classification, regression)…majiayu000scikit-learnMachine learning in Python with scikit-learn. Use when working with supervised learning (classification, regression)…majiayu000writesscikit-learnMachine learning in Python with scikit-learn. Use when working with supervised learning (classification, regression)…majiayu000search-company-knowledgeSearch across company knowledge bases (Confluence, Jira, internal docs) to find and explain internal concepts, processes, and…majiayu000search-docsSearch local documentation in the docs/ folder for content related to a topicmajiayu000semantic-compressionAggressively remove grammatical scaffolding LLMs reconstruct while preserving meaning-carrying content. Output may be fragments.…majiayu000semver-analyzerAnalyze code changes and determine semantic version bumps. Detect breaking changes automatically, suggest version bump…a5c-aiwritesshell-scenario-panelShell methodology scenario planning with worldview elicitation, external scenario construction, actor-relative impact analysis…majiayu000skill-researcherConduct general research using web search, documentation, and codebase exploration. Invoke for general research tasks.majiayu000writesskill-researcherConduct general research using web search, documentation, and codebase exploration. Invoke for non-Lean research tasks.majiayu000writesskill-researcherConduct general research using web search, documentation, and codebase exploration. Invoke for non-Lean research tasks.majiayu000writessmart-model-switchingAuto-route tasks to the cheapest Claude model that works correctly. Three-tier progression: Haiku → Sonnet → Opus. Classify…majiayu000smart-ralphThis skill should be used when the user asks about "ralph arguments", "quick mode", "commit spec", "max iterations", "ralph state…majiayu000spec-creationFeature specification creation from codebase research. Produces requirements, acceptance criteria, architecture decisions…a5c-aiwritesspec-driven-agentsCreate DevForgeAI-aware Claude Code subagents with structural anti-skip enforcement (Execute-Verify-Record pattern) across all 6…majiayu000writesspec-driven-collaborationGenerate self-contained collaboration documents for sharing issues with external AI systems (Gemini, ChatGPT, etc.) with…majiayu000writesspec-driven-developmentSpecification creation and management for the Pilot Shell methodology. Covers semantic search, clarifying questions, structured…a5c-aiwritesspec-driven-researchCapture, persist, and query research findings across sessions through a 7-phase workflow with structural anti-skip enforcement.…majiayu000writesspec-minerUse when understanding legacy or undocumented systems, creating documentation for existing code, or extracting specifications…majiayu000writesspec-minerUse when understanding legacy or undocumented systems, creating documentation for existing code, or extracting specifications…majiayu000writesspec-minerUse when understanding legacy or undocumented systems, creating documentation for existing code, or extracting specifications…majiayu000writesspec-statusShow pipeline overview of all specifications with status counts and stale detectionmajiayu000specification-writingWrite feature specifications as requirements and user stories with acceptance criteria, focusing on business value and testable…a5c-aiwritestalk-stage2-researchStage 2 (REX mode only) — Git archaeology, changelog analysis, verified factual timeline. Skip automatically in Concept mode.majiayu000writesstakeholder-summaryProduces a plain-language stakeholder summary from an existing feature specification, for sharing with non-technical stakeholders…testdoublewritesstart-gap-finderFind conceptual gaps in plan/spec documents. Use when user explicitly asks start-gap-finder.majiayu000state-managementSTATE.md reading, writing, and field-level updates. Provides cross-session state persistence via .planning/STATE.md with…a5c-aiwritesstorybookStorybook configuration, stories, addons, interaction testing, and documentation.a5c-aiwritessurvey-patternsSurvey the codebase for analogous features, reusable utilities, and existing patterns relevant to a proposed change. Returns…majiayu000survey-patternsSurvey the codebase for analogous features, reusable utilities, and existing patterns relevant to a proposed change. Returns…majiayu000synthesizing-findingsUse after layer analysis is complete to validate architecture documentation and generate a strategic rebuild plan focused on…majiayu000system-prompt-writerThis skill should be used when writing or improving system prompts for AI agents, providing expert guidance based on Anthropic's…majiayu000terminal-gif-recordingsCreate polished terminal GIF recordings using VHS (Video Hardware Software) by Charmbracelet. Use when asked to create terminal…gooseworks-aithinking-criticallyDeep engineering analysis before implementation (Phase 2 of 9-Phase Feature Cycle). Challenges assumptions, identifies unknowns…majiayu000tinygradDeep learning framework development with tinygrad - a minimal tensor library with autograd, JIT compilation, and multi-device…majiayu000doc-crawlerDeep-scraping specialist for technical documentation. Navigates complex site structures, handles JS-heavy docs, and converts…majiayu000track-managementUse this skill when creating, managing, or working with Conductor tracks - the logical work units for features, bugs, and…sickn33track-managementUse this skill when creating, managing, or working with Conductor tracks - the logical work units for features, bugs, and…wshobsontrainAuto-generate custom agents and skills for remaining capability gaps after assembly. Creates definitions based on project needs…majiayu000trustless-agentsERC-8004 Trustless Agents — on-chain agent identity + reputation. Resolve an agent by id (Identity Registry ERC-721 → owner +…internet-courttwinmind-ci-integrationIntegrate TwinMind meeting transcription workflows into CI/CD pipelines for automated meeting documentation and action item…jeremylongshorewritestwinmind-core-workflow-aExecute TwinMind primary workflow: Meeting transcription and summary generation. Use when implementing meeting capture, building…jeremylongshorewritestwitter-thread-writerWrite X/Twitter threads that get bookmarked, shared, and drive affiliate clicks. Use this skill when the user asks about writing…Affitorunreal-cpp-gameplayWrite Unreal Engine 5 C++ gameplay code: the UCLASS/UPROPERTY/UFUNCTION reflection macros, the Gameplay Framework (GameMode…gamedev-skillsusing-system-archaeologistUse when analyzing existing codebases to generate architecture documentation - coordinates subagent-driven exploration with…majiayu000using-system-architectUse when you have architecture documentation from system-archaeologist and need critical assessment, refactoring recommendations…majiayu000using-unwindUse when starting any reverse engineering task - establishes how to find and use Unwind skills for codebase analysis, service…majiayu000valid-skillA minimal, fully spec-conformant fixture skill used to exercise the happy path.first-fluke
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How the catalog works
What is an agent skill?

A folder with a SKILL.md inside — instructions, and often scripts and assets, that an AI agent loads when the task matches. Claude Code, Codex, Cursor and Copilot all read the same format, so one skill usually works across them.

Where does this catalog come from?

We read 660 source repositories straight from their file trees rather than from submitted listings — what you see is what is actually published. 98 repositories were rejected because they advertise skills but contain none: link lists, not folders.

Why is there no install counter?

Because install counts live in the registry that serves `npx skills add`, and that is not ours — publishing a number we cannot verify would be worse than showing none. Instead we show where a skill comes from and whether attention around its source is actually growing, measured from our own weekly snapshots.

Do you deduplicate?

Yes, and it matters more than expected. Aggregator repositories republish the same skill in several places — one source carried 6,317 SKILL.md files for 2,001 actual skills. We collapse by folder name and keep the canonical copy, so the catalog counts things, not copies.

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