DietrichGebert/ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

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Ponytail He says nothing. He writes one line. It works. Ponytail 5: rebuilt from the ground up. -53% code · -41% time · -26% cost · -45% tokens And yet: 98% of risky logic ships with a test. Without Ponytail: 68%. Benchmarked in Claude Code, the same agent with and without the skill: 39 tasks including a real FastAPI + React repo, Opus 5.5, 5 runs each. Details. Español · 한국어 · 简体中文 · 日本語 You know him. Long ponytail. Oval glasses. Has been at the company longer than the version control. You show him fifty lines; he looks at them, says nothing, and replaces them with one. Ponytail puts him inside your AI agent. Two things the chart does not show: in a blind comparison, Ponytail 5's replies beat the previous Ponytail's 110 to 67. And on the six security tasks (SQL injection, path traversal, forged tokens, rate limiting,…

DietrichGebert/ponytail on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-10-29T07:34:46.582Z

Inside the original README — Document outline
  1. Already built with Ponytail
  2. Numbers
  3. Before / after
  4. The review, rebuilt
  5. The audit, rebuilt
  6. New in 5.3: the band
  7. How it works
  8. The prompt
  9. Install
  10. Commands
  11. FAQ
  12. Sponsors

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Documentation belongs to its respective authors. Reported project/model license: MIT. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.

What this repository does

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

Repository facts

Owner
DietrichGebert
Primary language
JavaScript
Stars
181,250
Forks
9,958
Open issues + pull requests
142
License
MIT
Archived
No
Default branch
main
Created
2026-06-12T00:52:37.000Z
Last push
2026-10-29T11:59:31.000Z

Topics and intended use

Owner-supplied topics: agent-skills, ai-agents, claude, claude-code, claude-code-plugin, cursor-rules, developer-tools, llm, prompt-engineering, yagni

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Source: GitHub. Metadata observed 2026-10-31T12:19:26.881Z. Daily imports are snapshots, not real-time monitoring.

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