Overview
Agent Skills is an open-source productivity skill for Claude Code, Cursor, Codex, and Antigravity, published by addyosmani. Its author describes it as: “Production-grade engineering skills for AI coding agents.”. The project has 81k stars on GitHub and is available under the MIT license. Add it to your setup with `git clone https://github.com/addyosmani/agent-skills ~/.claude/skills/agent-skills`.
Installation
Add Agent Skills to your agent with:
git clone https://github.com/addyosmani/agent-skills ~/.claude/skills/agent-skills Review a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — named in the skill.md
- Codex — named in the skill.md
- Cursor — named in the skill.md
- Antigravity — named in the skill.md
License
Agent Skills is published under the MIT license.
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Ships in addyosmani/agent-skills, an established project with 80,968 GitHub stars
- Works with Claude Code, Codex, Cursor, Antigravity
- Actively maintained — repository updated in the last 90 days
Author
Topics
Alternatives to Agent Skills
Similar skills from other repositories:
Frequently asked questions
- What does Agent Skills do?
- Production-grade engineering skills for AI coding agents.
- How do I install Agent Skills?
- Run git clone https://github.com/addyosmani/agent-skills ~/.claude/skills/agent-skills in your agent, then reload your skills. Review the source at https://github.com/addyosmani/agent-skills before installing.
- Is Agent Skills free to use?
- Yes. Agent Skills is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does Agent Skills work with?
- Agent Skills lists Claude Code, Codex, Cursor, and Antigravity — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
- Where does Agent Skills come from?
- Agent Skills ships inside addyosmani/agent-skills, a repository that contains 26 catalogued skills in total. The repository's 80,968 GitHub stars apply to that whole collection, not to this skill on its own.