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PopNx MCPMCP servers for people who use AI · explained in plain words

ponytail Skill

by DietrichGebert★ 189,841 (whole repo)6 skills

★ Stars are for the whole repo, not each skill

Pick the skill to install

What it does

This repo is a collection of 6 skills

  • Connects Instruction files the AI reads; connects to nothing
  • Account or key No key needed
  • Category Coding
Maker’s original description
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

6 skills (instruction sets) by DietrichGebert that an AI reads and follows · not an MCP server

Pick the skill to install

Install only the ones you use. Open a skill to see how to install it

Install the whole set (6)

If you want every one, let the AI install them in one go. Know 2 things first

  • Every installed skill’s description is loaded into every chat. The more you install, the easier it is for the AI to pick the wrong one
  • Some skills duplicate tools the AI already has built in. Installing only the ones you use works better
Where to install
Please install all 6 skills from https://github.com/dietrichgebert/ponytail: ponytail, ponytail-audit, ponytail-debt, ponytail-gain, ponytail-help, ponytail-review, for all my projects, putting each at ~/.claude/skills/<skill name> (in Codex use ~/.agents/skills/<skill name>, in Cursor ~/.cursor/skills/<skill name>). Folders in the repo: ponytail = skills/ponytail · ponytail-audit = skills/ponytail-audit · ponytail-debt = skills/ponytail-debt · ponytail-gain = skills/ponytail-gain · ponytail-help = skills/ponytail-help · ponytail-review = skills/ponytail-review. First show me every file and tell me whether any has scripts or changes machine settings, then tell me the full path you will install each one to and wait for me to agree.
Please install all 6 skills from https://github.com/dietrichgebert/ponytail: ponytail, ponytail-audit, ponytail-debt, ponytail-gain, ponytail-help, ponytail-review, into the project this chat is open in (at .claude/skills/<skill name>; in Codex use .agents/skills/<skill name>, in Cursor .cursor/skills/<skill name>). Folders in the repo: ponytail = skills/ponytail · ponytail-audit = skills/ponytail-audit · ponytail-debt = skills/ponytail-debt · ponytail-gain = skills/ponytail-gain · ponytail-help = skills/ponytail-help · ponytail-review = skills/ponytail-review. First show me every file and tell me whether any has scripts or changes machine settings, then tell me the project name and the full path you will install each one to and wait for me to agree.

Uploading to Claude on the web and apps: you need 6 uploads, one ZIP per skill. Open each skill in the list below to download it

Checked against official docs Nov 12, 2026 · Source: support.claude.com, code.claude.com, learn.chatgpt.com, cursor.com

  • ponytail

    Lazy senior dev mode: the smallest change that fully solves the task, and a reply a busy human understands in one read. Use on any coding task (writing, fixing, refactoring, reviewing, choosing dependencies) and when the user says "ponytail", "be lazy", "simplest solution", "yagni", or complains ab…

  • ponytail-audit

    Quality audit of a whole repo: bugs, security holes, what breaks under real load, risky code without tests, slow paths, and what to delete, merge or split. Ranked, each finding explained in plain English. One-shot report, changes nothing. Use for "audit this codebase", "review the whole repo", "fin…

  • ponytail-debt

    List every `shortcut:` comment (and older `ponytail:` ones) as a debt ledger. One-shot report, changes nothing. Use for "ponytail debt", "what did ponytail defer", "list the shortcuts", /ponytail-debt.

  • ponytail-gain

    Show ponytail's measured savings (code, cost, speed) from the benchmark. One-shot display. Use for /ponytail-gain, "what does ponytail save", "ponytail impact".

  • ponytail-help

    Quick reference for ponytail levels, skills and commands. One-shot display. Use for /ponytail-help, "ponytail help", "how do I use ponytail".

  • ponytail-review

    Quality review of a change: is the logic right, is it safe, does it hold under real load, is risky code tested, is it fast enough, and is every line needed. Reads the connected code, not only the diff. Each finding is explained in plain English. Use for "review this", "code review", "review the las…

How a Skill differs from MCP

MCP connects an AI to an outside service or data. A Skill is a how-to guide the AI reads and follows; it connects to nothing.

Works with

Claude CodeCodexCursorGitHub CopilotWindsurfOpenCodeKiro

From the maker’s README and the folders in the repo

Install

Pick a skill first

This repo has 6 skills. Pick one from the list above; its page shows every way to install it, including letting the AI install it and a ZIP

Let the AI install it
Upload to claude.ai

Go to the skill list ↑

The maker’s first step: add their catalog (this alone installs no skill)
/plugin marketplace add DietrichGebert/ponytail

Copied from the maker’s README; it downloads and runs the maker’s code

Discussion

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From GitHub

GitHub stars
189,841
Stars are for the whole repo, not each skill
Maker
DietrichGebert
Last code change
Oct 29, 2026
SKILL.md files in the repo (including translated copies and templates)
12
Topics
agent-skills, ai-agents, claude, claude-code, claude-code-plugin, cursor-rules, developer-tools, llm, prompt-engineering, yagni