Catch Bugs Before They Ship with Claude Code's Multi-Agent Code Review

Run the built-in /code-review command to catch bugs, apply fixes, and post findings to your PR

Code Review

By the end of this guide, you'll be running Claude Code's built-in multi-agent /code-review command on your own diffs and PRs — catching correctness bugs, applying suggested fixes, and posting findings as inline PR comments, all without leaving your terminal.

Who This Is For

  • You want a second pair of eyes on your code before opening a pull request

  • You're tired of catching the same category of bug in review after it's already merged

  • You want code review findings applied automatically instead of fixing them one by one

  • You review PRs for a team and want a consistent first pass before a human looks at it

  • You're already using Claude Code and want to use a feature that's built in, not a third-party plugin

What You'll Build

A repeatable code-review workflow that:

  • Reviews your current diff, a PR number, a branch, or a specific path for correctness bugs

  • Scales its thoroughness to the effort level you choose — a quick, high-confidence pass or deep multi-agent coverage

  • Applies its own fixes directly to your working tree when you want it to

  • Posts findings as inline comments on a GitHub PR instead of just printing them to your terminal

What You'll Need

  • Claude Code installed and running inside a git repository

  • A pending diff, branch, or open PR you want reviewed

  • GitHub CLI access if you want findings posted as inline PR comments

Going Further

  • Want quality cleanups without a full bug hunt — Guide: Simplify Your Codebase in One Pass With Claude Code (AI Agent)

  • Need a dedicated security pass before shipping — Guide: Run a Security Review on Your Branch With Claude Code (AI Agent)

  • Want to run the deepest possible review before a major release — use the ultra effort level for a multi-agent cloud review of the full branch