# Review Branch > Reviews a git branch and provides a detailed analysis of the changes, including risks, performance issues, style concerns, and testing gaps. Use when this capability is needed. - Skill: `tomevault-io/review-branch` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/review-branch` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/review-branch/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/review-branch --- # Code Review Guide Check out the branch `$ARGUMENTS` and give me a thorough guided tour of the changes. ## Steps 1. Run `git fetch origin` then `git checkout $ARGUMENTS` 2. Run `git diff main...$ARGUMENTS --stat` to get an overview of changed files 3. Run `git log main...$ARGUMENTS --oneline` to understand the commit history 4. For each changed file, run `git diff main...$ARGUMENTS -- ` and analyze the diff ## For each file, provide: - **Summary**: What changed and the likely intent - **Risks**: Bugs, security issues, race conditions, error handling gaps - **Performance**: N+1 queries, unnecessary allocations, missing indexes - **Style**: Naming, structure, consistency with surrounding code - **Testing gaps**: What's untested or under-tested ## At the end, provide: - An overall assessment (approve / request changes / needs discussion) - A prioritized list of the top issues to raise in review - Suggested review comments I can paste directly into the PR - Suggested files for a human reviewer to pay attention to --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/cardstack) — claim your Tome and manage your conversions.