
ponytail
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
The Lens
Ponytail is a skill that nudges your AI coding agent to write less code. It bakes in "lazy senior developer" instincts: reach for the standard library, use native language features, lean on dependencies you already have before writing anything custom. The pitch is that agents left alone tend to over-build, and ponytail pushes them toward the minimal solution a seasoned developer would actually ship.
Setup is trivial, it installs as a skill or plugin and works across Claude Code, Codex, OpenCode, Cursor, Windsurf, and other agent platforms. There's nothing to host. It's MIT-licensed and free, and it's actively maintained, several releases deep. You add it once and it shapes how your agent approaches problems from then on.
Developers who've watched an agent reinvent something the standard library already does, or bloat a file with code that didn't need to exist, are the audience. If you carefully review every line your agent writes anyway, the gain is smaller. The value is in steering output toward leaner, more maintainable code without you having to police it every time.
The catch: it's a behavioral nudge, not a guarantee. It shifts the agent's tendencies, but the model still does what it does, and "minimal" is a judgment call it won't always get right. The claimed reductions in code volume are real in spirit, but treat them as a direction, not a promise. You're still the one who has to read what comes out.
Free vs Self-Hosted vs Paid
fully freeFree tier: Free and open source under MIT. No paid version.
Self-hosted: It's an agent skill you install locally, nothing to host. Free.
Paid: None from the project. You pay only for your agent's model usage.
Free and open source (MIT). You only pay for your agent's model usage.
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License: MIT License
Use freely, including commercial. Just keep the license.
Commercial use: ✓ Yes
About
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- DietrichGebert (User)
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