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Code Reviewer

Verified

Automated code review agent that checks for bugs, security vulnerabilities, performance issues, and style violations across multiple languages.

By Anthropic 8,900 v2.0.1 Updated 2026-03-08

Install

Claude Code

Copy the SKILL.md file to .claude/skills/code-reviewer.md

About This Skill

Code Reviewer is a comprehensive code review skill that analyzes your code changes for bugs, security issues, performance problems, and style violations. It adapts to your project's conventions by reading existing configuration files.

How It Works

  1. Context gathering — Reads project structure, linting configs, and recent git changes
  2. Diff analysis — Focuses on changed files and their surrounding context
  3. Multi-dimensional review — Checks for correctness, security, performance, and maintainability
  4. Actionable feedback — Provides specific suggestions with code examples

Review Categories

  • Bugs: Logic errors, null references, race conditions
  • Security: Injection vulnerabilities, credential exposure, unsafe deserialization
  • Performance: N+1 queries, memory leaks, unnecessary allocations
  • Style: Naming conventions, code organization, documentation gaps

Use Cases

  • Pull request code reviews
  • Pre-commit quality checks
  • Security vulnerability scanning
  • Onboarding code quality standards

Pros & Cons

Pros

  • + Covers multiple review dimensions in one pass
  • + Adapts to project conventions automatically
  • + Works across 20+ programming languages
  • + Provides actionable fix suggestions with code

Cons

  • - May produce false positives on unconventional patterns
  • - Cannot run tests or verify fixes at runtime

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