DEDUPEDWhat do you want to do?
3 use cases
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Go from idea to tested feature with /spec, /plan and /build
Install the skills and run a feature through spec, plan and incremental build with tests at every step.
View prompt
Using addyosmani/agent-skills, run /spec for <feature>, then /plan, and show me the plan. After I approve, implement it with /build one slice at a time, test-driven, committing each task, and stop on any failing test.
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Run a five-axis code review on every branch before merge
Install just the code review skill and have your agent review changes before you open the PR.
View prompt
Install the code-review-and-quality skill from addyosmani/agent-skills and review the changes on this branch against main. Group findings by severity, fix the obvious ones, and list anything that needs my decision before merge.
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Have your agent interview you before it writes any code
Use the interview-me skill so the agent asks requirement questions one at a time before building.
View prompt
Use the interview-me skill from addyosmani/agent-skills to interrogate me about <feature idea>, one question at a time. When you have enough, write the spec with /spec and list every assumption you still made.
Quick start with Agent Skills
- Check you have what it needs: Node.js for `npx skills`, or Claude Code, Codex, Gemini CLI or Antigravity for their native installs; Git; SSH keys for the Claude Code marketplace, or the HTTPS URL workaround in the README.
- Open addyosmani/agent-skills on GitHub and read the README and license.
- Run
npx skills add addyosmani/agent-skillsto install all 25 skills into your agent - Run
/specand describe what to build; the spec comes before any code - Run
/planto break it into small, atomic tasks - Run
/buildto implement one slice at a time, or/build autoto implement every task after one plan approval
These steps come from our top use case, Go from idea to tested feature with /spec, /plan and /build, which also has a copy-paste agent prompt.
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About this repo
- Who it is forDevelopers using Claude Code, Cursor, Codex, Gemini CLI or Copilot who want their agent to spec, test and review like a senior engineer.
- Why it is hot111k stars, picked up by one AI source we track
- LanguageJavaScript
- Sourcegithub.com/addyosmani/agent-skills · Back to Hot repos
Requirements
- Node.js for `npx skills`, or Claude Code, Codex, Gemini CLI or Antigravity for their native installs
- Git
- SSH keys for the Claude Code marketplace, or the HTTPS URL workaround in the README
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Questions about Agent Skills
What is Agent Skills?
Agent Skills is a set of 25 production-grade engineering skills for AI coding agents by Addy Osmani. Nine slash commands (/spec, /plan, /build, /test, /constraints, /review, /webperf, /code-simplify and /ship) map to the development lifecycle and activate the right skills, such as test-driven development and five-axis code review, so agents follow senior engineering workflows consistently. It is an open-source project on GitHub: https://github.com/addyosmani/agent-skills.
How do I use Agent Skills?
Run npx skills add addyosmani/agent-skills to install all 25 skills into your agent; then run /spec and describe what to build; the spec comes before any code; run /plan to break it into small, atomic tasks. The use cases on this page give the full steps and a copy-paste agent prompt for each job.
Who is Agent Skills for?
Developers using Claude Code, Cursor, Codex, Gemini CLI or Copilot who want their agent to spec, test and review like a senior engineer.
What can I do with Agent Skills?
3 use cases so far, for example: Go from idea to tested feature with /spec, /plan and /build; Run a five-axis code review on every branch before merge; Have your agent interview you before it writes any code. Each has steps and a copy-paste agent prompt.
What do I need to run Agent Skills?
Node.js for `npx skills`, or Claude Code, Codex, Gemini CLI or Antigravity for their native installs; Git; SSH keys for the Claude Code marketplace, or the HTTPS URL workaround in the README.
What are alternatives to Agent Skills?
Other hot AI repos in Software and DevOps: Deep Infer, Harness2, Orca, Opencode, Graphify.
Is Agent Skills safe to run?
Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.