agentmods.dev

DietrichGebert/ponytail

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

About the project

Ponytail is a set of instructions and extensions that guides AI coding agents toward smaller, simpler code changes while retaining safety checks. It is intended for developers using agents such as Claude Code, and the catalogue entries are its skills, instructions, plugin, and rule.

Latest release v4.9.0 — v4.9.0: 53 commits of doing less · 7 Aug 2026

3 files for GitHub Copilot, Codex, OpenCode and Kiro: ponytail copilot-instructions.md, ponytail AGENTS.md, ponytail ponytail.md — 1,682 tokens loaded in every session.

Open on GitHub ponytail.dev
131,289Stars on the repository
3Files it configures its agents with
1,682Tokens loaded in every session
4Agents configured
▶ This Claude Code Plugin Writes 94% Less Code (ponytail) Better Stack · about DietrichGebert/ponytail · on YouTube →

Instructions

These files are DietrichGebert/ponytail's own configuration — they tell GitHub Copilot, Codex, OpenCode and Kiro how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.