Overview
ponytail-review is an open-source integrations skill for Claude Code and compatible agents, published by DietrichGebert. Its author describes it as: “Code review focused exclusively on over-engineering. Finds what to delete: reinvented standard library, unneeded dependencies, speculative abstractions, dead flexibility. One line per finding: location, what to cut, w…”. The project has 143k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add DietrichGebert/ponytail`.
What ponytail-review does
Review diffs for unnecessary complexity. One line per finding: location, what to cut, what replaces it. The diff's best outcome is getting shorter.
Best for
What’s inside
The SKILL.md for ponytail-review is organised into these sections:
- Format
- Examples
- Scoring
- Boundaries
Installation
Add ponytail-review to your agent with:
/plugin marketplace add DietrichGebert/ponytailReview a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — ships a claude code plugin marketplace
License
ponytail-review is published under the MIT license.
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Ships in DietrichGebert/ponytail, an established project with 143,477 GitHub stars
- Works with Claude Code
- Actively maintained — repository updated in the last 30 days
- Its repository gained 50,797 GitHub stars over the last 52 days
Author
Topics
Frequently asked questions
- What does ponytail-review do?
- Code review focused exclusively on over-engineering. Finds what to delete: reinvented standard library, unneeded dependencies, speculative abstractions, dead flexibility. One line per finding: location, what to cut, what replaces it. Use when the user says "review for over-engineering", "what can we delete", "is this over-engineered", "simplify review", or invokes /ponytail-review. Complements correctness-focused review, this one only hunts complexity.
- How do I install ponytail-review?
- Run /plugin marketplace add DietrichGebert/ponytail in your agent, then reload your skills. Review the source at https://github.com/DietrichGebert/ponytail before installing.
- Is ponytail-review free to use?
- Yes. ponytail-review is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does ponytail-review work with?
- ponytail-review lists Claude Code — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
- Where does ponytail-review come from?
- ponytail-review ships inside DietrichGebert/ponytail, a repository that contains 6 catalogued skills in total. The repository's 143,477 GitHub stars apply to that whole collection, not to this skill on its own.
