head to head · open source
ponytail vs claude-skills
ponytail has 141,230 GitHub stars, 7,572 forks, 270 open issues and last shipped 4 days ago. claude-skills has 26,077 stars, 3,677 forks, 17 open issues and last shipped 19 days ago. ponytail leads on adoption by 442% (141,230 vs 26,077 stars). ponytail is written in JavaScript under MIT; claude-skills is written in Python under MIT. ponytail has attracted 5% as many forks as stars, claude-skills 14%. ponytail was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent-skills, claude-code), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ponytail | claude-skills | |
|---|---|---|
| GitHub stars | ★ 141K | ★ 26K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-14 | 2026-08-30 |
| Forks | ⑂ 7.6K | ⑂ 3.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 141K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick claude-skills if
- You want the claude-skills feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and claude-skills fits your workflow better
About ponytail
Ponytail is an open source agent skill for JavaScript and LLM based coding tools that makes an AI agent write the minimum working code for a task, and it is built for developers and teams running agents such as Claude Code, Codex, or Cursor against real repositories.
read the full ponytail overview →
About claude-skills
claude skills is an MIT licensed library of 388 Claude Code skills, plugins, and agent skills that packages domain expertise for AI coding agents, aimed at developers and teams running Claude Code, OpenAI Codex, Gemini CLI, Cursor, and nine other coding agents.
read the full claude-skills overview →
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Frequently asked questions
Is ponytail or claude-skills more popular?
ponytail has 141,230 GitHub stars and claude-skills has 26,077. ponytail has the larger community by that measure.
Are ponytail and claude-skills free?
Both are open source. ponytail is licensed under MIT and claude-skills under MIT. Neither carries a licence fee.
What is the difference between ponytail and claude-skills?
ponytail is written in JavaScript and claude-skills in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ponytail or claude-skills?
Choose ponytail if you want the larger community (141,230 stars) or its MIT licence terms. Choose claude-skills if its feature set, stack or MIT licence fits better. Both are self-hostable.