Anthropic Skills
Anthropic's example skills for Claude, plus the Agent Skills specification and a template. Most are Apache-2.0; the document skills are source-available.
Anthropic Skills (~186k stars) is Anthropic's collection of example skills for Claude, with the Agent Skills specification and a template. The 19 skills cover art and design, web app testing, MCP server building, and Word, PDF, PowerPoint and Excel files. Licensing varies by folder: 14 carry Apache-2.0, the four document skills are source-available under Anthropic's terms, and doc-coauthoring has no licence file. The README says they are for demonstration and education only. Install through the Claude Code plugin marketplace; also on paid Claude.ai plans and through the API.
The facts
| Question | Answer | Source | Checked |
|---|---|---|---|
| Runs on my machine? | Partly. Install into Claude Code on your machine, or use in Claude.ai and the API; the model itself is hosted by Anthropic | github.com | Checked 3 days ago |
| Code licence | With conditions. Mixed by folder: 14 skills Apache-2.0, 4 document skills source-available, 1 with no licence file; no licence at the repo root | github.com | Checked 3 days ago |
| Commercial use | With conditions. Apache-2.0 skills allow it; the document skills are governed by your agreement with Anthropic. The README calls all of them demonstrations | github.com | Checked 3 days ago |
| Paid services needed? | Optional. The files are free to read; in Claude.ai the skills are on paid plans, and Claude Code and the API need an Anthropic account | github.com | Checked 3 days ago |
| Hardware | No hardware needs of its own; skills are folders that run wherever Claude runs | github.com | Checked 3 days ago |
| Operating systems | Unknown. Not documented; the README names no host OS (the skills run inside the host agent) | Know the answer? | Not checked yet |
| Setup effort | Easy; two plugin commands in Claude Code | github.com | Checked 3 days ago |
Each fact has its own date. Unknown means nobody has published it. We read their documentation; we didn’t install it. Running it yourself costs your hardware, electricity and setup time. Report a correction.
No licence changes since we started watching. Licence changes: follow Anthropic Skills and we email you if its terms change.
Stars over time
Building history Not enough history for a 7-day gain. Stars show attention, not quality. Where these numbers come from.