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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. 79 341 files from 1 736 authors, of which 61 700 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.

61 700
unique skills
out of 79 341 files found on GitHub
17 641
are copies
same content, someone else's repository
1 739
tokens, median
what a typical skill costs you in context
7 879
name collisions
two skills with one name cannot sit side by side

2 101–2 160 of 61 700

page 36 of 1 029
Azure Resource Lookup
by microsoft
vendor ×1

List, find, and show Azure resources across subscriptions or resource groups. Handles prompts like \"list the websites in my subscription\", \"list my web apps\", \"show my app services\", \"list virtual machines\", \"list my VMs\", \"show storage accounts\", \"find container apps\", and \"what resources do I have\". USE FOR: list websites, list web apps, list app services, show websites in subscription, resource inventory, find resources by tag, tag analysis, orphaned resource discovery (not for cost analysis), unattached disks, count resources by type, cross-subscription lookup, and Azure Resource Graph queries. DO NOT USE FOR: deploying/changing resources (use azure-deploy), cost optimization (use azure-cost), or non-Azure clouds.

3k tokens
Azure Storage
by microsoft
vendor ×1

Azure Storage Services including Blob Storage, File Shares, Queue Storage, Table Storage, and Data Lake. Answers questions about storage access tiers (hot, cool, cold, archive), when to use each tier, and tier comparison. Provides object storage, SMB file shares, async messaging, NoSQL key-value, and big data analytics. Includes lifecycle management. USE FOR: blob storage, file shares, queue storage, table storage, data lake, upload files, download blobs, storage accounts, access tiers, storage tiers, hot cool cold archive, storage tier comparison, when to use storage tiers, lifecycle management, Azure Storage concepts. DO NOT USE FOR: SQL databases, Cosmos DB (use azure-prepare), messaging with Event Hubs or Service Bus (use azure-messaging).

7k tokens
Azure Resource Visualizer
by microsoft
vendor ×1

Analyze Azure resource groups and generate detailed Mermaid architecture diagrams showing the relationships between individual resources. WHEN: create architecture diagram, visualize Azure resources, show resource relationships, generate Mermaid diagram, analyze resource group, diagram my resources, architecture visualization, resource topology, map Azure infrastructure.

3k tokens
Todo Tracker
by jdrhyne
×1

Persistent TODO scratch pad for tracking tasks across sessions. Use when user says "add to TODO", "what's on the TODO", "mark X done", "show TODO list", "remove from TODO", or asks about pending tasks. Also triggers on heartbeat to remind about stale items.

2k tokens scripts
Developing With Streamlit
by streamlit
vendor ×1

Use for ALL Streamlit tasks: creating, editing, debugging, beautifying, styling, theming, optimizing, or deploying Streamlit apps. Also custom components, st.components.v2, HTML/JS/CSS work. Discovers and loads version-matched reference docs from the user's installed Streamlit (>=1.57). Triggers: streamlit, st., dashboard, app.py, beautify, style, CSS, color, background, theme, button, widget styling, custom component, st.components, CCv2, session state, performance, cache, fragment, slow rerun, deploy.

3k tokens scripts
3d Web Experience
by lingxling
×1

Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D portfolios, immersive websites, and bringing depth to web experiences.

2k tokens
Ab Test Setup
by lingxling
×1

Structured guide for setting up A/B tests with mandatory gates for hypothesis, metrics, and execution readiness.

2k tokens
Accessibility Compliance Accessibility Audit
by lingxling
×1

You are an accessibility expert specializing in WCAG compliance, inclusive design, and assistive technology compatibility. Conduct audits, identify barriers, and provide remediation guidance.

4k tokens
Active Directory Attacks
by lingxling
×1

Provide comprehensive techniques for attacking Microsoft Active Directory environments. Covers reconnaissance, credential harvesting, Kerberos attacks, lateral movement, privilege escalation, and domain dominance for red team operations and penetration testing.

5k tokens
Activecampaign Automation
by lingxling
×1

Automate ActiveCampaign tasks via Rube MCP (Composio): manage contacts, tags, list subscriptions, automation enrollment, and tasks. Always search tools first for current schemas.

2k tokens
Address Github Comments
by lingxling
×1

Use when you need to address review or issue comments on an open GitHub Pull Request using the gh CLI.

427 tokens
Agent Evaluation
by lingxling
×1

Testing and benchmarking LLM agents including behavioral testing, capability assessment, reliability metrics, and production monitoring—where even top agents achieve less than 50% on real-world benchmarks

9k tokens
Agent Manager Skill
by lingxling
×1

Manage multiple local CLI agents via tmux sessions (start/stop/monitor/assign) with cron-friendly scheduling.

357 tokens
Agent Framework Azure AI Py
by lingxling
×1

Build persistent agents on Azure AI Foundry using the Microsoft Agent Framework Python SDK.

3k tokens
Agent Memory MCP
by lingxling
×1

A hybrid memory system that provides persistent, searchable knowledge management for AI agents (Architecture, Patterns, Decisions).

640 tokens
Agent Memory Systems
by lingxling
×1

Memory is the cornerstone of intelligent agents. Without it, every interaction starts from zero. This skill covers the architecture of agent cognitive architectures that organize them."

8k tokens
Agent Orchestration Improve Agent
by lingxling
×1

Systematic improvement of existing agents through performance analysis, prompt engineering, and continuous iteration.

3k tokens
Agent Orchestration Multi Agent Optimize
by lingxling
×1

Optimize multi-agent systems with coordinated profiling, workload distribution, and cost-aware orchestration. Use when improving agent performance, throughput, or reliability.

2k tokens
Agent Tool Builder
by lingxling
×1

Tools are how AI agents interact with the world. A well-designed tool is the difference between an agent that works and one that hallucinates, fails silently, or costs 10x more tokens than necessary. This skill covers tool design from schema to error handling.

5k tokens
Agents V2 Py
by lingxling
×1

Build container-based Foundry Agents with Azure AI Projects SDK (ImageBasedHostedAgentDefinition). Use when creating hosted agents with custom container images in Azure AI Foundry.

2k tokens
AI Agent Development
by lingxling
×1

AI agent development workflow for building autonomous agents, multi-agent systems, and agent orchestration with CrewAI, LangGraph, and custom agents.

1k tokens
AI Agents Architect
by lingxling
×1

Expert in designing and building autonomous AI agents. Masters tool use, memory systems, planning strategies, and multi-agent orchestration.

2k tokens
AI Engineer
by lingxling
×1

Build production-ready LLM applications, advanced RAG systems, and intelligent agents. Implements vector search, multimodal AI, agent orchestration, and enterprise AI integrations.

2k tokens
AI Ml
by lingxling
×1

AI and machine learning workflow covering LLM application development, RAG implementation, agent architecture, ML pipelines, and AI-powered features.

1k tokens
Airflow Dag Patterns
by lingxling
×1

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
AI Product
by lingxling
×1

Every product will be AI-powered. The question is whether you'll build it right or ship a demo that falls apart in production.

5k tokens
AI Wrapper Product
by lingxling
×1

Expert in building products that wrap AI APIs (OpenAI, Anthropic, etc. ) into focused tools people will pay for. Not just "ChatGPT but different" - products that solve specific problems with AI.

4k tokens
Airtable Automation
by lingxling
×1

Automate Airtable tasks via Rube MCP (Composio): records, bases, tables, fields, views. Always search tools first for current schemas.

2k tokens
Algorithmic Art
by lingxling
×1

Algorithmic philosophies are computational aesthetic movements that are then expressed through code. Output .md files (philosophy), .html files (interactive viewer), and .js files (generative algorithms).

15k tokens scripts
Algolia Search
by lingxling
×1

Expert patterns for Algolia search implementation, indexing strategies, React InstantSearch, and relevance tuning

7k tokens
Amplitude Automation
by lingxling
×1

Automate Amplitude tasks via Rube MCP (Composio): events, user activity, cohorts, user identification. Always search tools first for current schemas.

2k tokens
Analytics Tracking
by lingxling
×1

Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data.

2k tokens
Android Jetpack Compose Expert
by lingxling
×1

Expert guidance for building modern Android UIs with Jetpack Compose, covering state management, navigation, performance, and Material Design 3.

1k tokens
Angular Best Practices
by lingxling
×1

Angular performance optimization and best practices guide. Use when writing, reviewing, or refactoring Angular code for optimal performance, bundle size, and rendering efficiency.

4k tokens
Angular Migration
by lingxling
×1

Master AngularJS to Angular migration, including hybrid apps, component conversion, dependency injection changes, and routing migration.

3k tokens
Angular
by lingxling
×1

Modern Angular (v20+) expert with deep knowledge of Signals, Standalone Components, Zoneless applications, SSR/Hydration, and reactive patterns.

6k tokens
Angular State Management
by lingxling
×1

Master modern Angular state management with Signals, NgRx, and RxJS. Use when setting up global state, managing component stores, choosing between state solutions, or migrating from legacy patterns.

4k tokens
Angular UI Patterns
by lingxling
×1

Modern Angular UI patterns for loading states, error handling, and data display. Use when building UI components, handling async data, or managing component states.

3k tokens
Anti Reversing Techniques
by lingxling
×1

AUTHORIZED USE ONLY: This skill contains dual-use security techniques. Before proceeding with any bypass or analysis: > 1.

3k tokens
API Design Principles
by lingxling
×1

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers and stand the test of time.

10k tokens scripts
API Documentation Generator
by lingxling
×1

Generate comprehensive, developer-friendly API documentation from code, including endpoints, parameters, examples, and best practices

3k tokens
API Fuzzing Bug Bounty
by lingxling
×1

Provide comprehensive techniques for testing REST, SOAP, and GraphQL APIs during bug bounty hunting and penetration testing engagements. Covers vulnerability discovery, authentication bypass, IDOR exploitation, and API-specific attack vectors.

3k tokens
API Documentation
by lingxling
×1

API documentation workflow for generating OpenAPI specs, creating developer guides, and maintaining comprehensive API documentation.

901 tokens
API Documenter
by lingxling
×1

Master API documentation with OpenAPI 3.1, AI-powered tools, and modern developer experience practices. Create interactive docs, generate SDKs, and build comprehensive developer portals.

2k tokens
API Patterns
by lingxling
×1

API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.

5k tokens scripts
API Security Best Practices
by lingxling
×1

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities

6k tokens
API Security Testing
by lingxling
×1

API security testing workflow for REST and GraphQL APIs covering authentication, authorization, rate limiting, input validation, and security best practices.

981 tokens
API Testing Observability API Mock
by lingxling
×1

You are an API mocking expert specializing in realistic mock services for development, testing, and demos. Design mocks that simulate real API behavior and enable parallel development.

11k tokens
App Builder
by lingxling
×1

Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

11k tokens
App Store Optimization
by lingxling
×1

Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store

56k tokens scripts
Application Performance Performance Optimization
by lingxling
×1

Optimize end-to-end application performance with profiling, observability, and backend/frontend tuning. Use when coordinating performance optimization across the stack.

3k tokens
Architecture Decision Records
by lingxling
×1

Comprehensive patterns for creating, maintaining, and managing Architecture Decision Records (ADRs) that capture the context and rationale behind significant technical decisions.

3k tokens
Architect Review
by lingxling
×1

Master software architect specializing in modern architecture

2k tokens
Architecture
by lingxling
×1

Architectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.

3k tokens
Architecture Patterns
by lingxling
×1

Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.

4k tokens
Arm Cortex Expert
by lingxling
×1

Senior embedded software engineer specializing in firmware and driver development for ARM Cortex-M microcontrollers (Teensy, STM32, nRF52, SAMD).

3k tokens
Asana Automation
by lingxling
×1

Automate Asana tasks via Rube MCP (Composio): tasks, projects, sections, teams, workspaces. Always search tools first for current schemas.

2k tokens
Attack Tree Construction
by lingxling
×1

Build comprehensive attack trees to visualize threat paths. Use when mapping attack scenarios, identifying defense gaps, or communicating security risks to stakeholders.

6k tokens
Audio Transcriber
by lingxling
×1

Transform audio recordings into professional Markdown documentation with intelligent summaries using LLM integration

18k tokens scripts
Auth Implementation Patterns
by lingxling
×1

Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.

5k 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: 11 328 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 79 341 files found on GitHub, 61 700 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: 7 879 skills here share a name with another skill, and two of them cannot sit side by side.