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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. 86 961 files from 2 125 authors, of which 68 678 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.

68 678
unique skills
out of 86 961 files found on GitHub
18 283
are copies
same content, someone else's repository
1 749
tokens, median
what a typical skill costs you in context
8 467
name collisions
two skills with one name cannot sit side by side

14 281–14 340 of 68 678

page 239 of 1 145
Executing Plans
by GanyuanRan

Use when you have a written implementation plan to execute in a separate session with review checkpoints

2.2k tokens
Finishing A Development Branch
by GanyuanRan

Use when verified work has an Aegis-created branch/worktree to integrate or clean up, or the user explicitly requests merge, PR, or branch lifecycle handling.

1.3k tokens
First Principles Review
by GanyuanRan

Use when explicitly asked for first-principles or Occam's-razor review, or when complex decisions involve competing constraints, repeated fixes, fallback growth, duplicate owners, or architecture/product direction risk.

1.7k tokens
Goal Framing
by GanyuanRan

Use when the user explicitly sets an Aegis goal with /aegis-goal, Aegis goal:, or asks to define goal, success evidence, stop condition, or task boundaries before work.

1.2k tokens
Long Task Continuation
by GanyuanRan

Use when a task is multi-step, may span context resets or sessions, uses subagents, or risks losing state before completion.

3k tokens
Receiving Code Review
by GanyuanRan

Use when receiving code review feedback before implementing suggestions, especially when feedback is unclear, risky, disputed, or technically questionable.

1.6k tokens
Recording Architecture Decisions
by GanyuanRan

Use when the user asks to create, write, update, amend, supersede, or evaluate an ADR, architecture decision record, durable architecture decision, decision log, or baseline sync after architecture-changing work.

1.4k tokens
Requesting Code Review
by GanyuanRan

Use when requesting independent code review, after implementation slices, before merging high-risk work, or when verification exposes evidence, baseline, architecture, compatibility, or retirement uncertainty.

2.2k tokens
Subagent Driven Development
by GanyuanRan

Use when executing implementation plans with independent tasks in the current session

2k tokens
Systematic Debugging
by GanyuanRan

Use when encountering a bug, test failure, or unexpected behavior, before proposing fixes

2.5k tokens scripts
Test Driven Development
by GanyuanRan

Use when the user explicitly requests strict or test-first TDD, or when the current conversation already contains an explicit `TDD Route: strict` decision from another Aegis workflow.

4.3k tokens
Update Aegis
by GanyuanRan

Use when the user says `aegis:update`, asks to update or upgrade an installed Aegis method-pack, wants the latest Aegis version, or asks whether Aegis is current on this host.

1.4k tokens
Using Aegis
by GanyuanRan

Use when starting a turn or checking Aegis skill routing.

654 tokens
Using Git Worktrees
by GanyuanRan

Use when a coding task needs a concurrent checkout, unrelated dirty state blocks safe branch switching, or the user or repository explicitly requires a worktree.

1.1k tokens
Verification Before Completion
by GanyuanRan

Use when about to claim work is complete, fixed, passing, verified, release-ready, or ready to commit, merge, publish, or hand off.

1.8k tokens
Writing Plans
by GanyuanRan

Use when you have a spec or requirements for a multi-step task, before touching code

5.6k tokens
Writing Skills
by GanyuanRan

Use when creating new skills, editing existing skills, or verifying skills work before deployment

5.8k tokens scripts
Launch Your Agent
by anthropics
vendor

Help a technical founder build whatever they want on Claude Managed Agents — an internal worker, a piece of their product, a customer-facing agent. Find out what they want to build, scope a v0, launch it in their account, grade it, iterate, and (if it should run on a clock) put it on a scheduled deployment, with everything bigger laid out as v1/v2. Use when a founder says "launch my agent", "/launch-your-agent", "build me a managed agent", or wants to build something on CMA. Keywords: managed agents, CMA, founder, launch, scheduled deployment, outcome rubric.

7.3k tokens
Wrap Up
by anthropics
vendor

Close out (or revisit) a Claude Managed Agent build — refresh the overview page, recap every primitive the founder now owns, show the run log and live status, suggest 1–2 tailored next upgrades, and sweep hygiene (sessions archived, key only in .env, no literal dates in deployment kickoffs). Use when the founder says "/wrap-up", "wrap up", "close it out", "where do things stand with my agent", or at the end of a /launch-your-agent build.

1.5k tokens
Lemo Opuscar
by lemomo-ai

Direct and produce a short film made entirely in code, in one of the styles of the Lemo-Opuscar library (e.g. Impasto Oil Painting 油画厚涂, Watercolor Brush 水彩笔刷, Chinese Ink Wash 中国水墨, Ukiyo-e 浮世绘, Whiteboard Explainer 白板讲解). Use when the user asks for a video, film, short, promo, explainer or animation (视频、短片、动画、宣传片) in a named style; when they want a film made about their own topic and haven't chosen a style (help them choose); or when they ask which film styles there are. Not for editing or converting existing video files.

612 tokens scripts
Update Rust
by Azure

Update the pinned stable and nightly Rust toolchain versions used by the repository

290 tokens
Create Recorded Test
by Azure

Generate a new recorded integration test

939 tokens
Cosmos Design Struct
by Azure

> Enforce consistent struct design conventions across sdk/cosmos crates. Validates visibility modifiers, field privacy, #[non_exhaustive] usage, and construction API patterns (`Default`/`new` with `with_*` setters, or optional separate builders with `builder()`/`build()`), and construction correctness on public structs. Can auto-fix violations or report them as errors.

5.8k tokens
Check Spelling
by Azure

Check and fix spelling in project source files using cSpell.

480 tokens
Lint Markdown
by Azure

Check and fix formatting and other issues in markdown files using markdownlint-cli2.

333 tokens
Update Emitter
by Azure

Update the TypeSpec emitter for Rust and optionally regenerate all clients

235 tokens
Create Crate
by Azure

Create a new Azure SDK crate from a TypeSpec specification.

539 tokens
Create Perf Test
by Azure

Generate a new performance test

803 tokens
Cosmos Pre Commit Validation
by Azure

> Run pre-commit checks for a specific set of crates. Use this when validating changes under sdk/cosmos before committing or during code review.

1.2k tokens
Films Search
by freestylefly

Search cloud drives for downloadable film and TV resources (movies, TV series, anime). Use this skill when the user wants to download a specific movie or TV show. Do NOT use for general movie information, schedules, reviews, or recommendations.

1.2k tokens scripts zh
Canvas Design
by freestylefly

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

3k tokens
Article Writer
by freestylefly

| Multi-style article creation skill. Supports 5 writing styles (deep analysis, practical guide, story-driven, opinion, news brief),

2k tokens
DOCX
by freestylefly

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

2.5k tokens scripts
Content Planner
by freestylefly

| WeChat Official Account topic planning and content calendar management. Based on WeChat article search and trending analysis, generates differentiated topic recommendations and outputs structured content calendars. Activated when users mention "topic", "planning", "content calendar", "trending", or "what to write next week".

1.3k tokens scripts
Create Plan
by freestylefly

Create a concise plan. Use when a user explicitly asks for a plan related to a coding task.

624 tokens
Daily Trending
by freestylefly

>- Fetch today's trending topics from tophub.today across multiple platforms. Triggered when users ask "what's trending today", "hot topics", "今日热搜", or "微博热搜".

602 tokens
Music Search
by freestylefly

Search cloud drives for downloadable music resources (songs, albums, lossless audio). Use this skill when the user wants to download a specific song or album. Do NOT use for general music information, lyrics, or recommendations.

1.3k tokens scripts zh
Frontend Design
by freestylefly

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

1.1k tokens
Develop Web Game
by freestylefly

Use when Codex is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses, inspect screenshots/text, and review console errors with render_game_to_text.

2.3k tokens scripts
PDF
by freestylefly

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

1.8k tokens scripts
Local Tools
by freestylefly

Access local system resources including Calendar on macOS and Windows. Use this skill when you need to manage user's schedule directly on their device.

3.5k tokens scripts
PPTX
by freestylefly

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

6.5k tokens scripts
Remotion Best Practices
by freestylefly

Best practices for Remotion - Video creation in React

890 tokens
Seedance
by freestylefly

Generate AI videos using Volcengine Seedance model. Supports text-to-video (T2V), image-to-video (I2V), and audio-synced video generation. Use this skill when the user wants to create or generate videos.

3.6k tokens scripts zh
Skill Creator
by freestylefly

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

8.1k tokens scripts
Skill Vetter
by freestylefly

Security-first skill vetting for AI agents. Use before installing any skill from ClawdHub, GitHub, or other sources. Checks for red flags, permission scope, and suspicious patterns.

1.1k tokens
Seedream
by freestylefly

Generate AI images using Volcengine Seedream model. Supports text-to-image (T2I), image editing (I2I), multi-image fusion, and web-search-based generation. Use this skill when the user wants to create, generate, or edit images.

3.4k tokens scripts zh
Stock Analyzer
by freestylefly

>- A comprehensive stock deep analysis tool that combines real-time quotes, fundamental metrics, technical indicators, and growth analysis into a single professional report. Supports A-share, US stocks, HK stocks. Generates detailed investment recommendations with risk assessment and actionable trading strategies.

892 tokens scripts
Stock Explorer
by freestylefly

>- A Yahoo Finance (yfinance) powered financial analysis tool. Get real-time quotes, generate technical indicator reports (RSI/MACD/Bollinger/VWAP/ATR), summarize fundamentals, and run a one-shot report that outputs a text summary.

575 tokens scripts
Stock Announcements
by freestylefly

>- 获取A股上市公司公告信息(真实数据)。基于AkShare从东方财富网获取当日全部公告,支持按股票代码筛选、关键词过滤。 适用于监控重大事件、业绩快报、股东变动、重组公告等投资决策关键信息。数据源:东方财富网(稳定可靠)。

827 tokens scripts zh
Technology Search
by freestylefly

Search tech blogs, developer forums, and IT media (TechCrunch, Hacker News, 36氪, etc.) for software and hardware industry updates with heat ranking and EN↔CN translation. Use this skill only when the topic is clearly about programming, software, hardware, AI, or IT infrastructure.

3.5k tokens scripts
Playwright
by freestylefly

Use when the task requires automating a real browser from the terminal (navigation, form filling, snapshots, screenshots, data extraction, UI-flow debugging) via `playwright-cli` or the bundled wrapper script.

983 tokens scripts
Weather
by freestylefly

Get current weather and forecasts (no API key required).

296 tokens
Imap Smtp Email
by freestylefly

Read and send email via IMAP/SMTP. Check for new/unread messages, fetch content, search mailboxes, mark as read/unread, and send emails with attachments. Works with any IMAP/SMTP server including Gmail, Outlook, 163.com, vip.163.com, 126.com, vip.126.com, 188.com, and vip.188.com.

1.7k tokens scripts
XLSX
by freestylefly

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

2.7k tokens scripts
Youdaonote
by freestylefly

有道云笔记全能工具:笔记管理(创建、搜索、浏览、读取)、待办管理(创建、完成、分组)、网页剪藏(服务端抓取)。当用户需要操作有道云笔记时使用此 Skill。

1.9k tokens zh
Web Search
by freestylefly

Real-time web search using Playwright-controlled browser. Use this skill when you need current information, latest documentation, recent news, or any data beyond your knowledge cutoff (January 2025).

4.1k tokens scripts
Golive
by mikehasa

Take an agent-written app from repo to live production on the user's OWN accounts, with providers they choose (hosting, database, auth, payments, email, domain/DNS). The human connects accounts and approves changes; supported wiring operations run through a local CLI and produce verification evidence with explicit limits. Use when the user wants to ship, deploy, go live, launch, publish, or put their app online, or asks to wire up env vars, webhooks, auth settings (signup, email confirmation, password policy), a real signup → confirmation email → login journey, password recovery, account isolation between two users, auth redirects, email DNS or a custom domain.

11k tokens scripts
Ppt Agent
by sunbigfly

专业 PPT 演示文稿全流程 AI 生成助手。模拟顶级 PPT 设计公司的完整工作流(需求调研到资料搜集到大纲策划到策划稿到设计稿),输出高质量 HTML 格式演示文稿。当用户提到制作 PPT、做演示文稿、做 slides、做幻灯片、做汇报材料、做培训课件、做路演 deck、做产品介绍页面时触发此技能。即使用户只说"帮我做个关于 X 的介绍"或"我要给老板汇报 Y",只要暗示需要结构化的多页演示内容,都应该触发。也适用于用户说"帮我把这篇文档做成 PPT"、"把这个主题做成演示"等需要将内容转化为演示格式的场景。英文场景同样适用:"make a presentation about..."、"create slides for..."、"build a pitch deck"、"I need a keynote for..."。隐式意图也应触发:"帮我把这个数据可视化一下给老板看"、"我需要一份能拿去路演的东西"、"把这个报告做得好看点能展示"、"beautify my existing PPT"、"redesign these slides"。改善或美化现有 PPT 也属于此技能范畴。

9.5k tokens scripts zh
MCP Maintainer
by hoangsonww

Operate and maintain the local MCP server for this repository. Use for MCP tool updates, policy-guard changes, host configuration, and MCP runtime troubleshooting.

184 tokens

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: 13 478 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 86 961 files found on GitHub, 68 678 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 in stages. Its name and description stay in the model's context all the time; the body of SKILL.md is read when the skill is used; other files in the folder, such as references, scripts and fonts, are opened only when the skill asks for them. The number we show is SKILL.md, the part every use pays for. A big folder is not a big cost: one official skill ships 83 font files, and none of them ever enters the context.
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: 8 467 skills here share a name with another skill, and two of them cannot sit side by side.