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Claude Skills

The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.

Every Agent Skill we could find on GitHub, deduplicated by content. 79 600 files from 1 763 authors, of which 61 947 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.

61 947
unique skills
out of 79 600 files found on GitHub
17 653
are copies
same content, someone else's repository
1 739
tokens, median
what a typical skill costs you in context
7 890
name collisions
two skills with one name cannot sit side by side

20 461–20 520 of 61 947

page 342 of 1 033
Discuss Change
by tobihagemann

Align on the shape of a change through an interview, then implement it. Escalates open product decisions and settles the implementation shape in conversation. Use when the user asks to \"discuss this change\", \"align on this change first\", \"ask me questions first\", \"interview me then implement\", \"agree on the approach before coding\", or wants the shape of a single change settled before any code is written.

1k tokens
Draft Plan
by tobihagemann

Produce an implementation plan at .turbo/plans/<slug>.md. Use when the user asks to \"draft a plan\", \"draft the plan\", \"write an implementation plan\", \"plan this change\", \"create an implementation plan\", or needs a first-draft plan file before refinement.

3k tokens
Draft Spec
by tobihagemann

Guide a collaborative discussion that produces a specification document at .turbo/specs/<slug>.md. Use when the user asks to \"draft a spec\", \"create a spec\", \"write a spec\", \"discuss a project plan\", \"spec out a project\", \"design a system\", \"let's plan this project\", \"help me scope this\", \"architect a solution\", or \"let's discuss before building\".

3k tokens
Evaluate Findings
by tobihagemann

Critically assess external feedback (code reviews, AI reviewers, PR comments) and decide which suggestions to apply using adversarial verification. Use when the user asks to \"evaluate findings\", \"assess review comments\", \"triage review feedback\", \"evaluate review output\", or \"filter false positives\".

3k tokens
Expand Shell
by tobihagemann

Expand a shell into a full implementation plan. Verifies Consumes against the current codebase, runs a fresh pattern survey, escalates open questions, and fills in concrete file references and verification. Use when the user asks to \"expand a shell\", \"expand shell\", \"fill in the shell\", \"expand the shell\", or \"concretize the shell\".

3k tokens
Explain This
by tobihagemann

Explain whatever the user is pointing at right now in plain language: a pending question, a piece of code, an error, a command output, or an artifact like a plan or findings report. Use when the user asks to \"explain this\", \"what am I being asked\", \"what's happening right now\", \"help me understand this\", \"what does this mean\", \"what does this error mean\", \"what is this code doing\", or \"what do these options mean\".

1k tokens
Fetch Pr Comments
by tobihagemann

Fetch and summarize review feedback and conversation from a GitHub PR (unresolved review threads, review bodies, and PR conversation comments) without making changes. Use when the user asks to \"fetch PR comments\", \"show PR comments\", \"check PR for unresolved comments\", \"list review comments\", \"what comments are on the PR\", \"show unresolved threads\", or \"summarize PR feedback\".

2k tokens scripts
Exploratory Test
by tobihagemann

Execute multi-level exploratory testing of the app covering basic functionality, complex operations, adversarial testing, and cross-cutting scenarios, plus usability observations through a UX lens reported separately from defects. Deeper than $smoke-test. Use when the user asks to \"exploratory test\", \"test thoroughly\", \"test all scenarios\", \"deep test\", \"test edge cases\", \"test everything\", \"break it\", \"find bugs by testing\", \"test usability\", or \"check the UX while testing\".

2k tokens
Finalize
by tobihagemann

Run the post-implementation quality assurance workflow including tests, code polishing, review, and commit. Use when the user asks to \"finalize implementation\", \"finalize changes\", \"wrap up implementation\", \"finish up\", \"ready to commit\", or \"run QA workflow\".

1k tokens
Find Dead Code
by tobihagemann

Find dead code using parallel sub-agent analysis and optional CLI tools, treating code only referenced from tests as dead. Use when the user asks to \"find dead code\", \"find unused code\", \"find unused exports\", \"find unreferenced functions\", \"clean up dead code\", or \"what code is unused\". Analysis-only — does not modify or delete code.

3k tokens
Github Voice
by tobihagemann

Shared writing style rules for GitHub-facing output (PR comments, PR descriptions, PR titles, issues, design proposals). Differentiates insider vs outsider voice based on author association. Not typically invoked directly — loaded by other skills before composing GitHub text.

883 tokens
Implement Improvements
by tobihagemann

Validate improvements from .turbo/improvements.md, recommend a working set tailored to what's in the backlog, and run one lane: direct fixes, investigation, or planned work. One lane per session. Use when the user asks to \"implement improvements\", \"work on improvements\", \"address improvements\", \"process improvement backlog\", \"tackle improvements\", or \"implement noted improvements\".

3k tokens
Implement Plan
by tobihagemann

Execute an implementation plan file produced by $draft-plan, $turboplan, or $expand-shell. Runs pre-implementation prep, then runs $implement to execute the steps and finalize once they are all done. Use when the user asks to \"implement plan\", \"implement the plan\", \"execute the plan\", \"run the plan\", \"implement plans/<slug>.md\", \"start implementing the plan\", or starts a fresh session to implement a previously drafted plan.

1k tokens
Implement
by tobihagemann

Load code-style and task-specific skills, make the change described by the current context, then run post-implementation QA. Use for ad-hoc changes when no plan file or improvements backlog governs the work, and when the user asks to \"just implement\", \"implement directly\", \"implement without a plan\", or \"apply the change\".

1k tokens
Interpret Feedback
by tobihagemann

Interpret third-party feedback by running parallel internal and peer interpretations to surface intent, correctness concerns, and ambiguities. Use when the user asks to \"interpret feedback\", \"interpret comments\", \"what does this feedback mean\", \"clarify reviewer intent\", \"understand this review\", or \"interpret these suggestions\".

1k tokens
Investigate
by tobihagemann

Systematically investigate bugs, test failures, build errors, performance issues, or unexpected behavior by cycling through characterize-isolate-hypothesize-test steps. Use when the user asks to \"investigate this bug\", \"debug this\", \"figure out why this fails\", \"find the root cause\", \"why is this broken\", \"troubleshoot this\", \"diagnose the issue\", \"what's causing this error\", \"look into this failure\", \"why is this test failing\", or \"track down this bug\".

3k tokens
Map Codebase
by tobihagemann

Deep architecture report that fans out parallel inspections across different aspects of the codebase (structure, tech stack, APIs, patterns, data flow, dependencies, testing) and synthesizes findings into a comprehensive document at .turbo/codebase-map.md and .turbo/codebase-map.html. Use when the user asks to \"map the codebase\", \"map codebase\", \"architecture report\", \"codebase overview\", \"architecture overview\", \"what am I looking at\", or \"explain this codebase\".

2k tokens
Migrate Turbo Files
by tobihagemann

Migrate legacy files in .turbo/ to current formats. Covers plans and shells (layout split, frontmatter normalization, prompt-plan index cleanup) and improvements.md (legacy `trivial`/`standard` Type values rewritten to `direct`/`plan`). Use when the user asks to \"migrate turbo files\", \"migrate turbo\", \"migrate turboplans\", \"migrate turbo plans\", \"upgrade plan format\", \"add frontmatter to plans\", \"convert old plans\", or \"migrate improvements\".

3k tokens
Note Improvement
by tobihagemann

Capture an out-of-scope improvement opportunity so it doesn't get lost. Use when the user asks to \"note improvement\", \"save improvement\", \"track this for later\", \"remember this improvement\", \"note this idea\", \"log improvement\", \"backlog this\", or \"park this idea\". Also invoke proactively when noticing something improvable during work that falls outside the current task's scope, or after deliberately shipping a simpler approach that accepts a known ceiling — briefly mention it to the user and offer to note it.

982 tokens
Onboard
by tobihagemann

Developer onboarding guide that composes architecture mapping, tooling review, and agentic setup review with setup, troubleshooting, and next-steps agents to produce a comprehensive guide at .turbo/onboarding.md and .turbo/onboarding.html. Use when the user asks to \"onboard me\", \"onboard to this project\", \"generate onboarding guide\", \"new developer guide\", \"how do I get started\", or \"help me ramp up\".

2k tokens
Peer Review
by tobihagemann

Run an independent peer review via Claude. Use when the user asks to \"peer review\", \"peer review my code\", \"peer review my plan\", \"peer review my spec\", \"peer review my shells\", \"get a second opinion\", or \"independent review\".

1k tokens
Pick Next Issue
by tobihagemann

Fetch and rank open GitHub issues by community engagement, present the top 3 candidates, and plan implementation for the selected issue. Use when the user asks to \"pick next issue\", \"next issue\", \"which issue should I work on\", \"top issues\", \"most popular issues\", \"prioritize issues\", or \"what should I work on next\".

611 tokens
Pick Next Shell
by tobihagemann

Pick the next shell whose dependencies are satisfied and carry it through planning: expand, refine, self-improve, halt. Use when the user asks to \"pick next shell\", \"next shell\", \"continue project\", \"what's next\", \"next implementation step\", or \"continue with the plan\".

1k tokens
Polish Code
by tobihagemann

Stage, format, lint, test, review, smoke test, and re-run itself until stable. Use when the user asks to \"polish code\", \"refine code\", \"iterate on code quality\", \"review loop\", \"clean up, test, and review loop\", or \"run the polish loop\".

2k tokens
Preview
by tobihagemann

Stand up the project's live app and hand it to the user to try a change firsthand, then gate on their verdict before continuing. Use when the user asks to \"preview the change\", \"let me try it\", \"spin up the app so I can test it\", \"set it up so I can poke at it\", or before finalizing a UI/UX change that needs human eyes.

861 tokens
Recall Reasoning
by tobihagemann

Recall the reasoning behind a past change from Codex session history when available, falling back to commit diff and surrounding code. Use when the user asks to \"recall reasoning\", \"find reasoning\", \"look up reasoning\", \"recall implementation reasoning\", \"find the rationale\", \"why did I do X\", \"recall from transcripts\", or \"find the transcript for this commit\".

722 tokens
Refine Plan
by tobihagemann

Iteratively review and revise a planning artifact until no new findings survive evaluation. Supports plans, shells, and specs. Use when the user asks to \"refine the plan\", \"refine the shells\", \"refine this spec\", \"iterate on the plan\", \"iterate on the shells\", \"tighten the plan\", \"tighten the shells\", \"tighten the spec\", \"improve the plan\", \"improve the shells\", or \"improve the spec\".

2k tokens
Resolve Findings
by tobihagemann

Choose an implementation path (direct or plan) for evaluated findings and dispatch it. Direct path applies fixes directly; plan path runs $turboplan. Use after $evaluate-findings has tagged findings and they need to be implemented, or when the user asks to \"resolve findings\", \"apply evaluated findings\", or \"dispatch findings to implementation\".

673 tokens
Reply To Pr Conversation
by tobihagemann

Draft, confirm, and post a single conversational reply to GitHub PR conversation comments (issue comments). The reply addresses all tracked items in one natural-prose message. Use when the user asks to \"reply to PR conversation\", \"post PR conversation replies\", or \"draft PR conversation messages\".

804 tokens
Reply To Pr Threads
by tobihagemann

Draft, confirm, and post replies to GitHub PR review threads. Handles per-category reply formatting, re-fetches thread resolution state so auto-resolved threads are skipped, and posts via GraphQL. Use when the user asks to \"reply to PR threads\", \"post PR thread replies\", or \"draft PR reply messages\".

863 tokens
Resolve Pr Comments
by tobihagemann

Evaluate, fix, answer, and reply to GitHub pull request review comments and conversation comments. Handles both change requests (fix or skip) and reviewer questions (explain using reasoning recalled from past Codex session history). Use when the user asks to \"resolve PR comments\", \"fix review comments\", \"address PR feedback\", \"handle review comments\", \"address review feedback\", \"respond to PR comments\", \"answer review questions\", or \"address code review\".

4k tokens scripts
Review Code
by tobihagemann

Review code for bugs, security vulnerabilities, API misuse, consistency issues, simplicity problems, or test coverage gaps by running internal reviews and a peer review in parallel and returning combined findings. Single-concern with a type argument, or full review with no argument. Use when the user asks to \"review my code\", \"full code review\", \"review my changes\", \"check for bugs\", \"scan for bugs\", \"review correctness\", \"security audit\", \"find vulnerabilities\", \"review security\", \"check API usage\", \"verify against docs\", \"check for cross-file duplication\", \"review consistency\", \"check for code reuse\", \"review simplicity\", \"find untested code\", or \"review test coverage\".

8k tokens
Review Dependencies
by tobihagemann

Detect package managers and discover outdated or vulnerable dependencies. Returns structured findings without upgrading. Use when the user asks to \"review dependencies\", \"check for outdated packages\", \"check dependencies\", \"scan dependencies\", or \"dependency review\".

1k tokens
Review Plan
by tobihagemann

Review a planning artifact (plan, shells, or spec) by running internal reviews and a peer review in parallel and returning combined findings. Use when the user asks to \"review my plan\", \"review my shells\", \"review my spec\", \"check my plan\", \"check my shells\", \"check my spec\", \"critique my plan\", \"critique my shells\", \"critique my spec\", or wants feedback on a planning artifact.

6k tokens
Review Pr
by tobihagemann

Review a pull request by fetching PR comments, running a comprehensive code review, evaluating findings, and dispatching to implementation. Use when the user asks to \"review PR\", \"review pull request\", \"review this PR\", \"check PR before merging\", or \"full PR review\".

397 tokens
Self Improve
by tobihagemann

Extract lessons from the current session and route them to the appropriate knowledge layer (project AGENTS.md, auto memory, existing skills, or new skills). Use when the user asks to \"self-improve\", \"distill this session\", \"save learnings\", \"update AGENTS.md with what we learned\", \"capture session insights\", \"remember this for next time\", \"extract lessons\", \"update skills from session\", or \"what did we learn\".

5k tokens
Ship
by tobihagemann

Commit, push, and optionally create or update a PR for the current staged changes. Use when the user asks to \"ship\", \"ship it\", \"ship changes\", \"commit push and PR\", or \"ship this\".

974 tokens
Simplify Code
by tobihagemann

Run a multi-agent review of changed files for scope, reuse, quality, efficiency, clarity, and altitude issues followed by automated fixes. Use when the user asks to \"simplify code\", \"review changed code\", \"check for code reuse\", \"review code quality\", \"review efficiency\", \"simplify changes\", \"clean up code\", \"refactor changes\", or \"run simplify\".

2k tokens
Simplify Docs
by tobihagemann

Run a multi-agent review of code comments and markdown documentation for unnecessary content, then fix the issues. Covers what-restating comments, name-mirroring doc comments, status-update prose, and other documentation noise. Use when the user asks to \"simplify docs\", \"simplify documentation\", \"clean up comments\", \"clean up docs\", \"review documentation\", \"strip unnecessary comments\", \"reduce doc noise\", or \"run simplify-docs\".

2k tokens
Simplify All
by tobihagemann

Run the code and documentation simplification passes together over one scope, launching every review sub-agent concurrently before applying a single round of fixes. Use when the user asks to \"simplify all\", \"simplify everything\", \"simplify code and docs\", \"clean up code and docs\", \"run both simplify skills\", or \"simplify code and docs in parallel\".

274 tokens
Smoke Test
by tobihagemann

Launch the app and hands-on verify that it works by interacting with it. Falls back to an existing integration test suite when there is no interactive surface in scope. Use when the user asks to \"smoke test\", \"test it manually\", \"verify it works\", \"try it out\", \"run a smoke test\", \"check it in the browser\", or \"does it actually work\". Not a unit test runner.

2k tokens
Split And Ship
by tobihagemann

Execute an approved split plan, shipping each change group separately as its own branch and PR or as sequential commits on the current branch. Use when the user asks to \"split and ship\", \"ship the split plan\", \"create separate PRs\", or \"split changes into branches\".

2k tokens
Stage Commit Push
by tobihagemann

Stage files, create a commit, and push in one step. Use when the user asks to \"stage commit and push\", \"add commit and push\", \"commit and push\", or \"commit and push my changes\".

101 tokens
Stage
by tobihagemann

Stage implementation changes for commit with precise file selection. Use when the user asks to \"stage changes\", \"stage files\", \"add files to staging\", or \"prepare changes for commit\".

249 tokens
Stage Commit
by tobihagemann

Stage files and create a commit in one step with a message matching existing commit style. Use when the user asks to \"stage and commit\", \"add and commit\", \"commit my changes\", or \"commit these changes\".

102 tokens
Survey Patterns
by tobihagemann

Survey the codebase for analogous features, reusable utilities, and existing patterns relevant to a proposed change. Returns structured findings without writing code. Use when the user asks to \"survey patterns\", \"find existing patterns\", \"look for analogous features\", \"check how similar things are done\", \"find prior art for this change\", or needs pattern context before planning a change.

1k tokens
Turboplan
by tobihagemann

Analyze task complexity and route to a mode by artifact: direct fix for clear-scope changes, plan file when the approach needs to be written down, or spec and shells for multi-session projects. Use when the user asks to \"turboplan\", \"run turboplan\", \"plan this task\", \"turbo plan mode\", \"plan and implement\", or \"use turboplan instead of plan mode\".

3k tokens
Understand Change
by tobihagemann

Teach the user to deeply understand a change through interactive tutoring: restating understanding, drilling into why/what/how, and quizzing until mastery. The active counterpart to a one-shot explanation. Use when the user asks to \"understand this change\", \"teach me this change\", \"help me understand what changed\", \"walk me through this change\", \"make sure I understand this\", \"quiz me on this\", or \"teach me what we did\".

887 tokens
Update Changelog
by tobihagemann

Update the Unreleased section of CHANGELOG.md based on current changes. No-op if CHANGELOG.md does not exist. Use when the user asks to \"update changelog\", \"add to changelog\", \"update the changelog\", \"changelog entry\", \"add changelog entry\", or \"log this change\".

511 tokens
Update Dependencies
by tobihagemann

Upgrade project dependencies with breaking change research for major version updates. Use when the user asks to \"update dependencies\", \"upgrade packages\", \"upgrade dependencies\", \"update deps\", \"upgrade deps\", \"update npm deps\", \"update Swift packages\", \"cargo update\", \"go get updates\", \"bundle update\", or \"pip upgrade\".

2k tokens
Update Pr
by tobihagemann

Update an existing GitHub pull request's title and description to reflect the current state of the branch. Use when the user asks to \"update the PR\", \"update PR description\", \"update PR title\", \"refresh PR description\", or \"sync PR with changes\".

1k tokens
Update Turbo
by tobihagemann

Update installed Turbo Codex skills from the local repo with a dynamic changelog, conflict resolution for customized skills, and guided user experience. Use when the user asks to \"update turbo\", \"update turbo skills\", \"reinstall turbo\", \"upgrade turbo\", or \"update turbo for codex\".

177 tokens
Sap Abap
by secondsky

| Comprehensive ABAP development skill for SAP systems. Use when writing ABAP code, working with internal tables, structures, ABAP SQL, object-oriented programming, RAP (RESTful Application Programming Model), CDS views, EML statements, ABAP Cloud development, string processing, dynamic programming, RTTI/RTTC, field symbols, data references, exception handling, or ABAP unit testing. Covers both classic ABAP and modern ABAP for Cloud Development patterns.

60k tokens
Sap AI Core
by secondsky

|

39k tokens
Claude MD Improver
by secondsky

Audit and improve CLAUDE.md files in repositories. Use when user asks to check, audit, update, improve, or fix CLAUDE.md files. Scans for all CLAUDE.md files, evaluates quality against templates, outputs quality report, then makes targeted updates. Also use when the user mentions "CLAUDE.md maintenance" or "project memory optimization".

4k tokens
Claude Automation Recommender
by secondsky

Analyze a codebase and recommend Claude Code automations (hooks, subagents, skills, plugins, MCP servers). Use when user asks for automation recommendations, wants to optimize their Claude Code setup, mentions improving Claude Code workflows, asks how to first set up Claude Code for a project, or wants to know what Claude Code features they should use.

11k tokens
Dependency Upgrade
by secondsky

Secure dependency upgrades with supply chain protection, cooldowns, and staged rollout. Use when upgrading deps, configuring security policies, or preventing supply chain attacks.

20k tokens scripts
Sap Abap Cds
by secondsky

Comprehensive SAP ABAP CDS (Core Data Services) reference for data modeling, view development, and semantic enrichment. Use when creating CDS views or view entities, defining data models with annotations, working with associations and cardinality, implementing input parameters, using built-in functions, writing CASE expressions, implementing access control with DCL, handling CURR/QUAN data types, troubleshooting CDS errors, querying CDS views from ABAP, or displaying data with SALV IDA. Covers ABAP 7.4+ through ABAP Cloud.

25k tokens
Sap Btp Best Practices
by secondsky

| SAP BTP best practices for enterprise architecture, account management, security, and operations, with verification evidence tracked in the repository ledger. Use when planning BTP implementations, setting up account hierarchies, configuring environments, implementing authentication, designing CI/CD pipelines, establishing governance, building Platform Engineering teams, implementing failover strategies, or managing application lifecycle on SAP BTP.

33k tokens
Sap Browser Automation
by secondsky

Use when an agent must inspect or operate an authenticated SAP web UI through an in-app Browser, Microsoft Edge CDP, or an existing Playwright client, especially when SAP SSO reuse, isolated Edge profiles, deterministic target selection, screenshots, or browser bootstrap recovery is required.

19k tokens scripts

Claude Skills — questions

Answers built from the skills we actually parsed.

What is a Claude Skill?
A folder with a SKILL.md file: instructions that teach an agent to do one thing well, optionally with scripts and reference files alongside. The format is open and called Agent Skills — Claude Code, Codex and other agents read the same files. It is not a program you run; it is knowledge the agent loads when the task calls for it.
How is a skill different from an MCP server?
A server gives the agent new abilities — it connects to something and exposes tools. A skill gives the agent knowledge: how to use what it already has. They combine, and often literally: 11 352 of the skills here declare which MCP servers they need to work.
Why are there fewer skills here than in other catalogues?
Because we deduplicate by content. Of 79 600 files found on GitHub, 61 947 are unique — the rest is the same skill copied into someone else's repository, word for word. Catalogues that count files rather than skills show every copy as a separate entry.
What does the token count mean?
A skill is loaded into the model's context when it is used, so its size is a running cost on every request that touches it. We measure the whole folder, not just SKILL.md: one official skill is 377 tokens, another drags 83 files of fonts behind it.
How do I install a skill?
Copy the skill folder into ~/.claude/skills for personal use, or into .claude/skills inside a project. The agent picks it up by the name in the SKILL.md header — which is worth checking: 7 890 skills here share a name with another skill, and two of them cannot sit side by side.