Browse free open source Agent Skills and projects below. Use the toggles on the left to filter open source Agent Skills by OS, license, language, programming language, and project status.
Public repository for Agent Skills
Skills for AI coding agents
AI Agent templates with Skills, Agents, and Workflows
Skills Catalog for Codex
Specification and documentation for Agent Skills
Anthony Fu's curated collection of agent skills
Security Scanner for Agent Skills
Curated plugin marketplace for AI agents
Outcome driven agent development framework that evolves
Accelerate Claude Code/GitHub Copilot
Context management for Claude Code. Hooks maintain state via ledgers
A minimal yet professional single agent demo project
An open-source alternative to Claude Cowork, powered by opencode
A curated collection of skills for AI coding agents
Agent Skills for optimizing web quality based on Lighthouse
AWS Skills for Agents
A comprehensive collection of Agent Skills for context engineering
Claude Code skill that removes signs of AI-generated writing from text
Skills, MCP servers, Custom Agents, Agents.md for SDKs
Official Microsoft Learn MCP Server, powering LLMs and AI agents
Preline UI is an open-source set of prebuilt UI components
The first open-source agent skills builder
Add expert Swift Concurrency guidance to your AI coding tool
Trail of Bits Claude Code skills for security research, vulnerability
A minimal yet powerful framework for creating AI agents