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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. 86 696 files from 2 113 authors, of which 68 413 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.

68 413
unique skills
out of 86 696 files found on GitHub
18 283
are copies
same content, someone else's repository
1 744
tokens, median
what a typical skill costs you in context
8 409
name collisions
two skills with one name cannot sit side by side

63 601–63 660 of 68 413

page 1061 of 1 141
Sort Most copied
Most copied how often it was repackaged elsewhere Most stars on the repository that hosts it Lightest first cheapest to keep in context Heaviest first the ones that cost you the most Recently updated last push to the repository
Error Tracking Node
by PostHog
vendor

PostHog error tracking for Node.js

610 tokens
Error Tracking Ruby
by PostHog
vendor

PostHog error tracking for Ruby

527 tokens
Error Tracking React
by PostHog
vendor

PostHog error tracking for React

570 tokens
Error Tracking Ruby On Rails
by PostHog
vendor

PostHog error tracking for Ruby on Rails

962 tokens
Error Tracking Svelte
by PostHog
vendor

PostHog error tracking for Svelte

440 tokens
Error Tracking Web
by PostHog
vendor

PostHog error tracking for Web (JavaScript)

650 tokens
Feature Flags Android
by PostHog
vendor

PostHog feature flags for Android applications

434 tokens
Feature Flags API
by PostHog
vendor

PostHog feature flags for API applications

335 tokens
Feature Flags Dotnet
by PostHog
vendor

PostHog feature flags for .NET applications

337 tokens
Feature Flags Flutter
by PostHog
vendor

PostHog feature flags for Flutter applications

341 tokens
Feature Flags Elixir
by PostHog
vendor

PostHog feature flags for Elixir applications

339 tokens
Feature Flags Go
by PostHog
vendor

PostHog feature flags for Go applications

333 tokens
Feature Flags Ios
by PostHog
vendor

PostHog feature flags for iOS applications

632 tokens
Feature Flags Java
by PostHog
vendor

PostHog feature flags for Java applications

336 tokens
Feature Flags Nodejs
by PostHog
vendor

PostHog feature flags for Node.js applications

340 tokens
Feature Flags Php
by PostHog
vendor

PostHog feature flags for PHP applications

442 tokens
Feature Flags Nextjs
by PostHog
vendor

PostHog feature flags for Next.js applications

819 tokens
Feature Flags Python
by PostHog
vendor

PostHog feature flags for Python applications

629 tokens
Feature Flags React Native
by PostHog
vendor

PostHog feature flags for React Native applications

670 tokens
Feature Flags React
by PostHog
vendor

PostHog feature flags for React applications

554 tokens
Feature Flags Ruby
by PostHog
vendor

PostHog feature flags for Ruby applications

511 tokens
Feature Flags Rust
by PostHog
vendor

PostHog feature flags for Rust applications

336 tokens
Integration Angular
by PostHog
vendor

PostHog integration for Angular applications

604 tokens
Feature Flags Web
by PostHog
vendor

PostHog feature flags for Web (JavaScript) applications

345 tokens
Integration Android
by PostHog
vendor

PostHog integration for Android applications

602 tokens
Integration Astro Hybrid
by PostHog
vendor

>- PostHog integration for Astro hybrid rendering with both static and server-rendered pages

750 tokens
Integration Astro Static
by PostHog
vendor

PostHog integration for static Astro sites using SSG

608 tokens
Integration Astro Ssr
by PostHog
vendor

PostHog integration for server-rendered Astro applications with API routes

689 tokens
Integration Astro View Transitions
by PostHog
vendor

PostHog integration for Astro with ClientRouter view transitions

704 tokens
Integration Django
by PostHog
vendor

PostHog integration for Django applications

923 tokens
Integration Fastapi
by PostHog
vendor

PostHog integration for FastAPI applications

928 tokens
Integration Flask
by PostHog
vendor

PostHog integration for Flask applications

871 tokens
Integration Expo
by PostHog
vendor

PostHog integration for Expo applications

713 tokens
Integration Javascript Node
by PostHog
vendor

PostHog integration for server-side Node.js applications using posthog-node

774 tokens
Integration Javascript Web
by PostHog
vendor

>- PostHog integration for client-side web JavaScript applications using posthog-js

814 tokens
Integration Laravel
by PostHog
vendor

PostHog integration for Laravel applications

700 tokens
Integration Nextjs App Router
by PostHog
vendor

PostHog integration for Next.js App Router applications

760 tokens
Integration Nextjs Pages Router
by PostHog
vendor

PostHog integration for Next.js Pages Router applications

763 tokens
Integration Nuxt 4
by PostHog
vendor

PostHog integration for Nuxt 4 applications

507 tokens
Integration Nuxt 3 6
by PostHog
vendor

PostHog integration for Nuxt versions 3.0 to 3.6

515 tokens
Integration Python
by PostHog
vendor

PostHog integration for any Python application using the Python SDK

816 tokens
Integration React Native
by PostHog
vendor

PostHog integration for React Native applications

613 tokens
Integration React React Router 6
by PostHog
vendor

PostHog integration for React Router v6 applications

739 tokens
Integration React React Router 7 Declarative
by PostHog
vendor

PostHog integration for React Router v7 - Declarative mode applications

770 tokens
Integration React React Router 7 Data
by PostHog
vendor

PostHog integration for React Router v7 - Data mode applications

757 tokens
Integration React React Router 7 Framework
by PostHog
vendor

PostHog integration for React Router v7 - Framework mode applications

769 tokens
Integration React Tanstack Router Code Based
by PostHog
vendor

>- PostHog integration for React applications using TanStack Router with code-based routing

849 tokens
Integration React Tanstack Router File Based
by PostHog
vendor

>- PostHog integration for React applications using TanStack Router with file-based routing

849 tokens
Integration Ruby On Rails
by PostHog
vendor

PostHog integration for Ruby on Rails applications

1.1k tokens
Integration React Vite
by PostHog
vendor

PostHog integration for React applications built with Vite (no router)

718 tokens
Integration Ruby
by PostHog
vendor

PostHog integration for any Ruby application using the Ruby SDK

683 tokens
Integration Sveltekit
by PostHog
vendor

PostHog integration for SvelteKit applications

593 tokens
Integration Swift
by PostHog
vendor

PostHog integration for Swift iOS and macOS applications

813 tokens
Integration Vue 3
by PostHog
vendor

PostHog integration for Vue 3 applications

505 tokens
Integration Tanstack Start
by PostHog
vendor

PostHog integration for TanStack Start full-stack applications

888 tokens
LLM Analytics Setup
by PostHog
vendor

PostHog LLM analytics for all supported providers

1.3k tokens
Logs Datadog
by PostHog
vendor

PostHog logs for Datadog

326 tokens
Logs Go
by PostHog
vendor

PostHog logs for Go

318 tokens
Logs Nextjs
by PostHog
vendor

PostHog logs for Next.js

339 tokens
Logs Java
by PostHog
vendor

PostHog logs for Java

321 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: 13 362 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 86 696 files found on GitHub, 68 413 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: 8 409 skills here share a name with another skill, and two of them cannot sit side by side.