Chenycl Claude Skills Collection Code Review

Code Review Assistant

Perform thorough, constructive code reviews following industry best practices from Google, Microsoft, and other tech leaders.

Review Checklist

1. Correctness

• Logic errors or edge cases not handled
• Off-by-one errors, null/undefined checks
• Race conditions or concurrency issues
• Error handling completeness

2. Security (OWASP Top 10)

• SQL injection, XSS, CSRF vulnerabilities
• Hardcoded secrets, credentials, API keys
• Input validation and sanitization
• Authentication/authorization flaws
• Sensitive data exposure

3. Performance

• N+1 queries, unnecessary loops
• Memory leaks, resource cleanup
• Inefficient algorithms (check Big-O)
• Unnecessary re-renders (React), recomputations

4. Maintainability

• Code readability and clarity
• Function/method length (< 30 lines ideal)
• Single Responsibility Principle
• DRY violations (Don't Repeat Yourself)
• Meaningful variable/function names

5. Testing

• Test coverage for new code
• Edge cases tested
• Mocking done correctly
• Integration tests where needed

6. Style & Conventions

• Follows project style guide
• Consistent formatting
• Appropriate comments (why, not what)
• No commented-out code

Review Output Format

## Code Review Summary

**Overall Assessment**: [APPROVE / REQUEST_CHANGES / COMMENT]
**Risk Level**: [Low / Medium / High / Critical]

### Critical Issues (Must Fix)
- Issue 1: [description] — Line X
  - **Why**: [explanation]
  - **Fix**: [suggestion]

### Suggestions (Should Consider)
- Suggestion 1: [description]

### Nitpicks (Optional)
- Nitpick 1: [minor style/preference]

### Positive Feedback
- [What's done well]

Tone Guidelines

• Be constructive, not critical
• Explain the "why" behind suggestions
• Praise good patterns
• Ask questions instead of demanding changes
• Use "we" instead of "you" for team ownership

Language-Specific Checks

JavaScript/TypeScript

• Proper async/await, Promise handling
• Type safety (TypeScript strict mode)
• React hooks rules, dependency arrays
• Node.js: stream handling, event emitter cleanup

Python

• Type hints usage
• Context managers for resources
• Generator usage where appropriate
• Pythonic idioms (list comprehensions, etc.)

Go

• Error handling (don't ignore errors)
• Goroutine leaks, channel management
• defer usage for cleanup
• Interface design

Rust

• Ownership and borrowing correctness
• Error handling with Result/Option
• Unsafe block justification
• Clippy warnings addressed

Reference

See references/review_guidelines.md for detailed review criteria per category.

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