Open Source Agent Skills
Discover 28 open source Agent Skills repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Agent Skills projects here are most often combined with AI Agents, AI and Developer Tools. Last updated October 3, 2026.
28 repositories · updated October 3, 2026
skills: Add .NET Skills to AI Coding Agents
A curated collection of portable skills and host-specific agents for .NET and C# coding agents. It helps agents handle development, testing, upgrades, diagnostics, and other specialized .NET tasks.
Anthropic-Cybersecurity-Skills: Give AI Agents Security Playbooks
A library of structured cybersecurity workflows for AI agents, covering 34 security domains and mapped to six industry frameworks. Use it to provide compatible agents with practical guidance for authorized security work.
flyai-skill: Search Travel and Booking Options with AI Agents
FlyAI connects Claude Code, OpenClaw, and compatible agents to Fliggy travel search through a command-line tool. Use it to find flights, hotels, trains, attractions, and other travel services and receive structured results with booking links.
awesome-copilot: Customize GitHub Copilot with Community Resources
A community collection of custom agents, instructions, skills, hooks, workflows, and plugins for GitHub Copilot. Browse and search resources on the project website, or install plugins through the Copilot CLI.