Agent Skills Directory: Open-Source SKILL.md Skills
Find open-source agent skills for Claude Code, Codex, Gemini CLI and GitHub Copilot. Compare skills by GitHub stars and recent activity, see what each skill can touch, and read a dated scan report where one has run. Every skill here is a public GitHub repository with a SKILL.md file.
Works with Claude Code, Claude.ai, Codex, Gemini CLI, GitHub Copilot in VS Code, Cursor and other agents that follow the open Agent Skills specification.
Spellbook
Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.
AI Workflow
🚀 170+ pre-built skills for Claude Code, Cursor, Codex & 14+ AI tools. Stop re-teaching your AI the same things. One command → instant domain expertise. Marketing, SEO, Trading, Video, PM workflows included.
Kanban Tui
Task Manager with a TUI written in Python and usable by agents
Opencode Agent Skills
An OpenCode plugin that provides tools for using agent skills
Play Console CLI
Fast CLI for Google Play Console, for developers optimized for your agentic development flows
Agent Skills
Reusable AI agent skills for Codex, including a PowerShell skill for safe Windows command invocation and optional MCP utilities.
Openbrowser AI
OpenBrowser is a framework for intelligent browser automation. It combines direct CDP communication with a CodeAgent architecture, where the LLM writes Python code executed in a persistent namespace, to navigate, interact with, and extract information from web pages autonomously.
Sublation
Local-first, multi-agent Skill governance, collaboration panel, and shadow routing (v5.0).
Dspy Agent Skills
Production-grade DSPy 3.2.x agent skills + validated end-to-end examples for Claude Code and Codex CLI — fundamentals, evaluation, GEPA, BetterTogether, and RLM.
Brand Identity Skill
A Claude Code skill that designs a brand identity as one system: logo, typography and colour palette built together from one brief, measured, compared as identity cards, and delivered as a brand guidelines kit.
Agent Skills Nix
Declarative management of Agent Skills on Nix
Feishu Docx
🚀 Feishu/Lark Docs、Sheet、Bitable <-> Markdown | AI Agent-friendly knowledge base exporter and writer with OAuth 2.0, CLI, TUI & Claude Skills support - 飞书文档 <写入/导出> Markdown | AI Agent 友好型导出-写入工具
Claude Skills
Claude skills I'm experimenting with. Please review carefully before use.
Skill Validator
Validate Skill content against Agent Skill specification, with additional content density and quality checks.
Skill Flow
Install, manage, and share skills across every major coding agent — Claude Code, Cursor, Copilot, and more.
Recuris
Recursive Experiential–Working Memory Evolution for Long-Horizon Agent Harnesses
Ai4s Skills
Open-source agent skills for AI for Science: topic exploration, literature survey, experiments, paper writing, and integrity audit — driven by any coding agent.
Grace Marketplace
GRACE (Graph-RAG Anchored Code Engineering): open Agent Skills for contract-driven AI code generation with semantic markup, knowledge graphs, and support for Claude Code, Codex CLI, and Kilo Code.
Skills 4 SE
A curated list of 180+ useful Claude Skills for Software Engineering and resources for customizing AI for SE workflows.
Public Agent Skills
personal agent skills for better QoL
Test Automation Skills Agents
A practical library of agents, instructions, and skills designed specifically for QA Automation Engineers, focusing on production-oriented solutions.
Project Cairn
Turn project work into reusable knowledge — an AI-agent skill for Claude Code & Codex
Skills
Financial market data consumption skills for claude code and AI agents
Firecrawl Claude Plugin
Firecrawl plugin for Claude Code: search the live web, developer docs, government sources and research papers, run structured data providers, and scrape a page into clean Markdown. Firecrawl is the context API for AI agents.
List refreshed November 15, 2026. Data comes from public GitHub repositories.