Skill Playground

180 professional skills — run with your Claude key, or copy for ChatGPT & Gemini.

👆 To run a skill, paste your Claude API key in the top-right. It's free to get, stays only in this browser, and is sent directly to api.anthropic.com — never to us. Get a key → · Or just copy any skill for ChatGPT/Gemini — no key needed.

Make AI produce real professional work.

180 open-source skills that teach Claude, ChatGPT & Gemini the structure a senior pro uses — PRDs, exec updates, launch plans, postmortems. Run any one free, right here.

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✨ Try the Auto-Agent ▶ Browse skills ↓
Auto-Agent: a goal becomes a planned chain of skills
🧠 Your context — set once, every skill uses it
Saved locally in your browser. Files are read in-browser and only sent (with your context) to your own Claude requests. For live sources (Linear, Drive, a database), ground skills via MCP.