# Code Review

> Reviews code for quality, best practices, and potential issues. Use when asked to review, audit, or check code for problems.

- Skill: `majiayu000/code-review-45` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/code-review-45`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/code-review-45/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/code-review-45

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# Code Review Skill

Perform thorough code reviews following this methodology.

## Review Checklist

### 1. Correctness
- Does the code do what it's supposed to do?
- Are there any logic errors?
- Are edge cases handled?

### 2. Security
- Input validation and sanitization
- Authentication and authorization
- Sensitive data handling
- SQL injection, XSS, and other vulnerabilities

### 3. Performance
- Algorithm complexity
- Unnecessary computations
- Memory leaks or inefficient memory usage
- Database query optimization

### 4. Maintainability
- Code readability and clarity
- Appropriate naming conventions
- Single responsibility principle
- DRY (Don't Repeat Yourself)

### 5. Testing
- Test coverage
- Edge case testing
- Integration tests where appropriate

## Output Format

Structure your review as:

```
## Summary
[One paragraph overview]

## Critical Issues
[Must fix before merge]

## Suggestions
[Nice to have improvements]

## Positive Observations
[What's done well]
```

## Guidelines

- Be constructive, not critical
- Explain *why* something is an issue
- Suggest specific fixes when possible
- Acknowledge good patterns and practices