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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. 79 566 files from 1 758 authors, of which 61 913 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.

61 913
unique skills
out of 79 566 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
7 886
name collisions
two skills with one name cannot sit side by side

44 221–44 280 of 61 913

page 738 of 1 032
Prompt Library
by christophacham

Curated collection of high-quality prompts for various use cases. Includes role-based prompts, task-specific templates, and prompt refinement techniques. Use when user needs prompt templates, role-...

2k tokens
Pytest Coverage
by christophacham

Run pytest tests with coverage, discover lines missing coverage, and increase coverage to 100%.

281 tokens
Quant Analyst
by christophacham

Build financial models, backtest trading strategies, and analyze market data. Implements risk metrics, portfolio optimization, and statistical arbitrage.

443 tokens
RAG Engineer
by christophacham

Expert in building Retrieval-Augmented Generation systems. Masters embedding models, vector databases, chunking strategies, and retrieval optimization for LLM applications. Use when: building RAG, ...

752 tokens
RAG Implementation
by christophacham

RAG (Retrieval-Augmented Generation) implementation workflow covering embedding selection, vector database setup, chunking strategies, and retrieval optimization.

1k tokens
Ragic Automation
by christophacham

Automate Ragic tasks via Rube MCP (Composio). Always search tools first for current schemas.

723 tokens needs MCP
Recallai Automation
by christophacham

Automate Recallai tasks via Rube MCP (Composio). Always search tools first for current schemas.

734 tokens needs MCP
Remember Interactive Programming
by christophacham

A micro-prompt that reminds the agent that it is an interactive programmer. Works great in Clojure when Copilot has access to the REPL (probably via Backseat Driver). Will work with any system that has a live REPL that the agent can use. Adapt the prompt with any specific reminders in your workflow and/or workspace.

220 tokens
Resume Plan
by christophacham

Bootstrap a new session to continue working on an existing plan. Reads plan artifacts, builds context, validates prerequisites, and prepares the agent for implementation. Use this skill at the start of a session when continuing a multi-session plan.

2k tokens
Retellai Automation
by christophacham

Automate Retellai tasks via Rube MCP (Composio). Always search tools first for current schemas.

734 tokens needs MCP
Rev AI Automation
by christophacham

Automate Rev AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

726 tokens needs MCP
Scrapegraph AI Automation
by christophacham

Automate Scrapegraph AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

756 tokens needs MCP
Sendbird AI Chabot Automation
by christophacham

Automate Sendbird AI Chabot tasks via Rube MCP (Composio). Always search tools first for current schemas.

771 tokens needs MCP
Sitespeakai Automation
by christophacham

Automate Sitespeakai tasks via Rube MCP (Composio). Always search tools first for current schemas.

745 tokens needs MCP
Skill Creator Ms
by christophacham

Guide for creating effective skills for AI coding agents working with Azure SDKs and Microsoft Foundry services. Use when creating new skills or updating existing skills.

5k tokens
Skill Creator
by christophacham

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.

13k tokens
Skill Developer
by christophacham

Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skil...

13k tokens
Structured Autonomy Generate
by christophacham

Structured Autonomy Implementation Generator Prompt

1k tokens
Structured Autonomy Implement
by christophacham

Structured Autonomy Implementation Prompt

271 tokens
Structured Autonomy Plan
by christophacham

Structured Autonomy Planning Prompt

758 tokens
Sadd:subagent Driven Development
by christophacham

Use when executing implementation plans with independent tasks in the current session or facing 3+ independent issues that can be investigated without shared state or dependencies - dispatches fresh subagent for each task with code review between tasks, enabling fast iteration with quality gates

6k tokens
Superpowers Lab
by christophacham

Lab environment for Claude superpowers

137 tokens
Synthflow AI Automation
by christophacham

Automate Synthflow AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

749 tokens needs MCP
Tdd Orchestrator
by christophacham

Master TDD orchestrator specializing in red-green-refactor discipline, multi-agent workflow coordination, and comprehensive test-driven development practices.

3k tokens
Template Skill
by christophacham

Replace with description of the skill and when OpenCode should use it.

35 tokens
Customaize Agent:test Prompt
by christophacham

Use when creating or editing any prompt (commands, hooks, skills, subagent instructions) to verify it produces desired behavior - applies RED-GREEN-REFACTOR cycle to prompt engineering using subagents for isolated testing

5k tokens
Customaize Agent:test Skill
by christophacham

Use when creating or editing skills, before deployment, to verify they work under pressure and resist rationalization - applies RED-GREEN-REFACTOR cycle to process documentation by running baseline without skill, writing to address failures, iterating to close loopholes

3k tokens
Customaize Agent:thought Based Reasoning
by christophacham

Use when tackling complex reasoning tasks requiring step-by-step logic, multi-step arithmetic, commonsense reasoning, symbolic manipulation, or problems where simple prompting fails - provides comprehensive guide to Chain-of-Thought and related prompting techniques (Zero-shot CoT, Self-Consistency, Tree of Thoughts, Least-to-Most, ReAct, PAL, Reflexion) with templates, decision matrices, and research-backed patterns

5k tokens
Timelinesai Automation
by christophacham

Automate Timelinesai tasks via Rube MCP (Composio). Always search tools first for current schemas.

745 tokens needs MCP
Tldr Prompt
by christophacham

Create tldr summaries for GitHub Copilot files (prompts, agents, instructions, collections), MCP servers, or documentation from URLs and queries.

3k tokens
Traction Eos
by christophacham

Implement the Entrepreneurial Operating System (EOS) to align vision and execution across a company. Use when the user mentions "EOS", "V/TO", "quarterly rocks", "Level 10 meetings", "accountability chart", or "IDS process". Covers the six EOS components: Vision, People, Data, Issues, Process, Traction. For team motivation design, see drive-motivation. For lean experimentation, see lean-startup.

36k tokens
Sadd:tree Of Thoughts
by christophacham

Execute tasks through systematic exploration, pruning, and expansion using Tree of Thoughts methodology with multi-agent evaluation

8k tokens
Typespec Create Agent
by christophacham

Generate a complete TypeSpec declarative agent with instructions, capabilities, and conversation starters for Microsoft 365 Copilot

736 tokens
Uni Agent
by christophacham

统一智能体协议适配层。一套 API 调用所有 Agent 协议(ANP/MCP/A2A/AITP 等)。当用户需要调用 Agent、跨协议通信、连接工具时触发此技能。

30k tokens scripts
Docs:update Docs
by christophacham

Update and maintain project documentation for local code changes using multi-agent workflow with tech-writer agents. Covers docs/, READMEs, JSDoc, and API documentation.

6k tokens
Update Llms
by christophacham

Update the llms.txt file in the root folder to reflect changes in documentation or specifications following the llms.txt specification at https://llmstxt.org/

2k tokens
Varlock Claude Skill
by christophacham

Secure environment variable management ensuring secrets are never exposed in Claude sessions, terminals, logs, or git commits

232 tokens
Vexor
by christophacham

Vector-powered CLI for semantic file search with a Claude/Codex skill

160 tokens
Voice Agents
by christophacham

Voice agents represent the frontier of AI interaction - humans speaking naturally with AI systems. The challenge isn't just speech recognition and synthesis, it's achieving natural conversation flo...

530 tokens
Voice AI Development
by christophacham

Expert in building voice AI applications - from real-time voice agents to voice-enabled apps. Covers OpenAI Realtime API, Vapi for voice agents, Deepgram for transcription, ElevenLabs for synthesis...

2k tokens
Voice AI Engine Development
by christophacham

Build real-time conversational AI voice engines using async worker pipelines, streaming transcription, LLM agents, and TTS synthesis with interrupt handling and multi-provider support

25k tokens scripts
Webscraping AI Automation
by christophacham

Automate Webscraping AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

756 tokens needs MCP
Winston AI Automation
by christophacham

Automate Winston AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

741 tokens needs MCP
Wit AI Automation
by christophacham

Automate Wit AI tasks via Rube MCP (Composio). Always search tools first for current schemas.

726 tokens needs MCP
XLSX Official
by christophacham

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, ....

5k tokens scripts
Zai CLI
by christophacham

| Use for visual content analysis, web search, page reading, or GitHub exploration. Requires Z_AI_API_KEY.

865 tokens
Sadd:judge With Debate
by christophacham

Evaluate solutions through multi-round debate between independent judges until consensus

4k tokens
Airflow Dag Patterns
by christophacham

Build production Apache Airflow DAGs with best practices for operators, sensors, testing, and deployment. Use when creating data pipelines, orchestrating workflows, or scheduling batch jobs.

4k tokens
Async Python Patterns
by christophacham

Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-...

5k tokens
Bats Testing Patterns
by christophacham

Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.

3k tokens
Cdk Patterns
by christophacham

Common AWS CDK patterns and constructs for building cloud infrastructure with TypeScript, Python, or Java. Use when designing reusable CDK stacks and L3 constructs.

738 tokens
Clean Code
by christophacham

Write readable, maintainable code through disciplined naming, small functions, and clean error handling. Use when the user mentions "code review", "naming conventions", "function too long", "code smells", or "readable code". Covers SRP, comment discipline, formatting, and unit testing. For refactoring techniques, see refactoring-patterns. For architecture, see clean-architecture.

5k tokens
Code Refactoring
by christophacham

Code refactoring patterns and techniques for improving code quality without changing behavior. Use for cleaning up legacy code, reducing complexity, or improving maintainability.

1k tokens
E2e Testing Patterns
by christophacham

Master end-to-end testing with Playwright and Cypress to build reliable test suites that catch bugs, improve confidence, and enable fast deployment. Use when implementing E2E tests, debugging flaky...

4k tokens
Elixir Antipatterns
by christophacham

> Core catalog of 8 critical Elixir/Phoenix anti-patterns covering error handling, separation of concerns, Ecto queries, and testing.

7k tokens
Error Handling Patterns
by christophacham

Master error handling patterns across languages including exceptions, Result types, error propagation, and graceful degradation to build resilient applications. Use when implementing error handling...

5k tokens
Fp Ts Errors
by christophacham

Handle errors as values using fp-ts Either and TaskEither for cleaner, more predictable TypeScript code. Use when implementing error handling patterns with fp-ts.

6k tokens
Hig Patterns
by christophacham

Apple Human Interface Guidelines interaction and UX patterns.

64k tokens
Javascript Testing Patterns
by christophacham

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use...

7k tokens
Linkerd Patterns
by christophacham

Implement Linkerd service mesh patterns for lightweight, security-focused service mesh deployments. Use when setting up Linkerd, configuring traffic policies, or implementing zero-trust networking ...

2k 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: 11 350 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 79 566 files found on GitHub, 61 913 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: 7 886 skills here share a name with another skill, and two of them cannot sit side by side.