head to head · open source
ponytail vs how-claude-code-works
ponytail has 182,779 GitHub stars, 10,094 forks, 270 open issues and last shipped 5 days ago. how-claude-code-works has 3,800 stars, 714 forks, 1 open issues and last shipped 3 months ago. ponytail leads on adoption by 4,710% (182,779 vs 3,800 stars). ponytail is written in JavaScript under MIT; how-claude-code-works is written in various languages under MIT. ponytail has attracted 6% as many forks as stars, how-claude-code-works 19%. ponytail was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (claude, claude-code, llm), 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 | how-claude-code-works | |
|---|---|---|
| GitHub stars | ★ 183K | ★ 3.8K |
| License | MIT | MIT |
| Written in | JavaScript | — |
| Last push | 2026-10-29 | 2026-08-17 |
| Forks | ⑂ 10K | ⑂ 714 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 183K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick how-claude-code-works if
- You want the how-claude-code-works feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and how-claude-code-works fits your workflow better
About ponytail
Ponytail He says nothing. He writes one line. It works. 54% less code (up to 94%) · 20% cheaper · 27% faster · 100% safe Measured on real Claude Code sessions editing a real open source repo (FastAPI + React), against the same agent with no skill. 54% is the mean across 12 feature tasks (Haiku 4.5, n=4); it reaches 94% where an agent over builds (a date picker) and is near zero where the code is already minimal. ponytail keeps every safety guard while a bare "write one liners" prompt drops one. (The earlier single shot benchmark reported 80 94% as a flat figure; against a fair agentic…
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About how-claude-code-works
How Claude Code Works Claude Code 架构学习笔记 — Agentic Coding System 深度分析 📘 在线阅读文档 English 🛠️ 想动手造一个？配套项目 Claude Code From Scratch — 4300 行 TypeScript / Python 两个版本，13 章分步教程，clean room 教育实现，从零造一个受 Claude Code 启发的 Coding Agent ⚖️ 声明 / Disclaimer ：本项目是面向开发者的教育性架构分析。所有内容均为独立研究与推理，不代表 Anthropic 官方设计，也不保证与 Claude Code 真实内部实现一致。"Claude Code" 是 Anthropic 的商标，本项目与 Anthropic 无任何关联，亦不对外分发任何来自 Anthropic 的源码。 ⚖️ 写在前面 ：2026.7.4: 距离3月底的源码泄露事件，到现在claude code又更新了许多新的功能，尤其是/goal /loop组成的 loop engineering, 以及dynamic workflow为代表的新的agent编排、观测和干预方法，这些新的功能的原理分析其实对于我们使用claude code帮助很大，因此我们近期也在持续逆向解析这些新的功能，不断更新该repo Claude Code 是目前使用最广泛的…
read the full how-claude-code-works overview →
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Frequently asked questions
Is ponytail or how-claude-code-works more popular?
ponytail has 182,779 GitHub stars and how-claude-code-works has 3,800. ponytail has the larger community by that measure.
Are ponytail and how-claude-code-works free?
Both are open source. ponytail is licensed under MIT and how-claude-code-works under MIT. Neither carries a licence fee.
What is the difference between ponytail and how-claude-code-works?
ponytail is written in JavaScript and how-claude-code-works in various languages. 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 how-claude-code-works?
Choose ponytail if you want the larger community (182,779 stars) or its MIT licence terms. Choose how-claude-code-works if its feature set, stack or MIT licence fits better. Both are self-hostable.