Code Review Skill — Code Quality skill for Claude Code

Claude Code Review Skill

[](LICENSE) [](https://github.com/anthroos/claude-code-review-skill/stargazers) [](https://docs.anthropic.com/en/docs/claude-code/overview)

**280+ automated code review checks. Free. Local. Privacy-first.** Open-source alternative to CodeRabbit.

$ claude "review PR 42"

## Code Review: PR #42 — Add user authentication

Critical (2): SQL injection in auth.ts:45, weak crypto in crypto.ts:12
High (3): IDOR in user.ts:78, N+1 query in data.ts:23, XSS in Form.tsx:156
Medium (5): DRY violations, missing error handling...

Risk Level: HIGH — 2 critical issues must be fixed before merge.

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What is this?

A **skill** for [Claude Code](https://claude.com/download) that enables automated, comprehensive code review with **280+ checks** across 15 categories:

• Security — OWASP Top 10 + extended security checks
• Bugs & Logic — Null handling, async issues, edge cases
• Performance — Database, API, frontend, algorithms
• Code Quality — SOLID principles, maintainability, readability
• Testing — Coverage, test quality, patterns
• Accessibility — WCAG compliance checks
• i18n — Internationalization issues
• Documentation — Missing or outdated docs
• DevOps — Health checks, observability, resilience
• Git — Version control best practices
• React/Next.js — Hooks, effects, component patterns
• TypeScript — Type safety, assertions, generics
• Python — Type hints, context managers, patterns
• Node.js/Express — Async handling, security middleware
• SQL/Database — Queries, indexes, ORM patterns

Why use this instead of CodeRabbit?

Feature	CodeRabbit	Anthropic Official	This Skill
Price	$15-30/user/month	Free (API only)	Free (API only)
Checks	~50	No fixed list	280+
Approach	SaaS	4 parallel agents	Checklist-based
Focus	General	CLAUDE.md compliance	Security, Perf, Quality

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