agent-skills
by addyosmani
A collection of ready-made instruction files ("skills") that teach AI coding agents to follow a structured software process, from writing a spec through to testing, review and release. It is for people who want their AI assistant to work more consistently and to a higher standard.
- Stars
- 110.9k
- Licence
- MIT
- Runs on
- Your computer
- Setup
- Easy
- Language
- JavaScript
- Age
- 253 days
What you can do with it
- Use slash commands such as /spec, /plan, /build, /test, /review and /ship to guide an AI agent through each stage of a project
- Install all 25 skills, or just one such as test-driven development or code review, into your preferred coding agent
- Let skills activate automatically, for example API design or front-end guidance, while the agent works
Make money with it
A freelance developer could use the structured workflow to deliver client web projects faster and with fewer defects, taking on more work in the same time.
An idea, not financial advice. Check the licence before charging for anything built on it.
Ways a business could use it
- Get more reliable, tested code from an AI coding assistant, which cuts rework and the cost of hiring extra developers
- Apply a consistent spec, review and release process across client projects so freelance work is delivered with fewer bugs
Can you use it commercially?
Free to use, change and sell, including in paid products. Keep the copyright notice.
Not legal advice. Read the project's licence file before building a product on it.
Getting it running
Install with one command, "npx skills add addyosmani/agent-skills", or use the plugin install for Claude Code, Gemini CLI or Antigravity.
Follow the official instructions in the project README.
Things to check
- Needs a separate AI coding agent, which may require a paid subscription or API keys
- Installing a single skill leaves out the shared references folder, so some checklists are missing
- Slash commands only work fully in Claude Code; other tools need manual set-up
Who's talking about it
Checked 27 Oct 2026. Summary drafted by AI from the project's README.
