Code Review
Code Review is an agent skill (a SKILL.md file) from mattpocock/skills. Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes: Standards (does the code follow this repo's… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 303,491 GitHub stars across a repository of 15 listed skills.
github.com/mattpocock/skills/skills/engineering/code-review (opens in a new tab)
Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add mattpocock/skills
/plugin install mattpocock-skills@mattpocockIn the Claude apps, zip the code-review 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/mattpocock/skills.git
cp -r skills/skills/engineering/code-review .agents/skills/code-review # repo; ~/.agents/skills for all projectsStandalone 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/mattpocock/skills.git
cp -r skills/skills/engineering/code-review .cursor/skills/code-review # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (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
Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes: Standards (does the code follow this repo's documented coding standards?) and Spec (does the code match what the originating issue/spec asked for?). Runs both reviews in parallel sub-agents and reports them side by side. Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to "review since X". Two-axis review of the diff between HEAD and a fixed point the user supplies:
When it triggers
- Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to "review since X".
- "review since X"
More skills in mattpocock/skills
15 skills are listed from this repository.
Improve Codebase Architecturemattpocock/skills
TDDmattpocock/skills
Setup Matt Pocock Skillsmattpocock/skills
Prototypemattpocock/skills
Codebase Designmattpocock/skills
Diagnosing Bugsmattpocock/skills
Wizardmattpocock/skills
Setup Pre Commitmattpocock/skills
Writing Beatsmattpocock/skills
Writing Shapemattpocock/skills
Scaffold Exercisesmattpocock/skills
Migrate To Shoehornmattpocock/skills
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How do I install the Code Review skill?
In Claude Code, run /plugin marketplace add mattpocock/skills and then /plugin install mattpocock-skills@mattpocock. For Codex or Cursor, copy the code-review folder into .agents/skills/ or .cursor/skills/.
Is the Code Review skill free?
Yes. The repository is open source under the MIT license.
Is Code Review maintained?
The repository's most recent commit was on Oct 19, 2026. Its latest release is v1.3.1. appsgit only lists skills from repositories with a commit in the last six months.