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No Mistakes

No Mistakes is an agent skill (a SKILL.md file) from kunchenguid/no-mistakes. Validate your code changes through the no-mistakes pipeline - automated code review, tests, lint, docs, push, PR, and CI - before they reach the configured push target. It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 8,759 GitHub stars.

github.com/kunchenguid/no-mistakes/skills/no-mistakes (opens in a new tab)

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/kunchenguid/no-mistakes.git
cp -r no-mistakes/skills/no-mistakes ~/.claude/skills/no-mistakes   # personal, or .claude/skills in a project

In the Claude apps, zip the no-mistakes folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/kunchenguid/no-mistakes.git
cp -r no-mistakes/skills/no-mistakes .agents/skills/no-mistakes   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/kunchenguid/no-mistakes.git
cp -r no-mistakes/skills/no-mistakes .cursor/skills/no-mistakes   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Validate your code changes through the no-mistakes pipeline - automated code review, tests, lint, docs, push, PR, and CI - before they reach the configured push target. Use when the user asks to run no-mistakes, gate or ship or validate their changes, push safely, asks you to do a task and then validate it, or invokes /no-mistakes.

When it triggers

  • Use when the user asks to run no-mistakes, gate or ship or validate their changes, push safely, asks you to do a task and then validate it, or invokes /no-mistakes.

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FAQ

No Mistakes FAQ

Still curious? Email info@appsgit.com.

What is the No Mistakes skill?

No Mistakes is an agent skill (a SKILL.md file) from kunchenguid/no-mistakes. Validate your code changes through the no-mistakes pipeline - automated code review, tests, lint, docs, push, PR, and CI - before they reach the configured push target. It works with Claude Code, Codex, Cursor, GitHub Copilot and OpenCode and has 8,759 GitHub stars. Its SKILL.md lives at github.com/kunchenguid/no-mistakes/skills/no-mistakes.

How do I install the No Mistakes skill?

Copy the no-mistakes folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the No Mistakes skill free?

Yes. The repository is open source under the MIT license.

Is No Mistakes maintained?

The repository's most recent commit was on Oct 7, 2026. Its latest release is v1.84.0. appsgit only lists skills from repositories with a commit in the last six months.