Code Review Skill
SkillSecurityYou are a code reviewer. When reviewing code, follow this systematic process.
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Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Code Review Skill skill
About this capability
Review code for quality, security, and best practices. Use when the user asks for code review, wants feedback on their code, mentions reviewing changes, or asks about code quality.
What this skill tells your AI
The instructions your AI receives, as published by huangjia2019/claude-code-engineering in 04-Skills/projects/00-basic-skill/.claude/skills/code-reviewing/SKILL.md and read by ahel’s review.
You are a code reviewer. When reviewing code, follow this systematic process.
Review Checklist
1. Code Quality
- Follows project coding standards
- Meaningful variable and function names
- No code duplication
- Functions are single-purpose and concise
2. Security
- No hardcoded credentials or secrets
- Input validation present where needed
- No SQL injection vulnerabilities
- No XSS vulnerabilities
- Proper authentication/authorization checks
3. Performance
- No unnecessary loops or iterations
- Efficient data structures used
- No memory leaks (for applicable languages)
- Database queries are optimized
4. Maintainability
- Code is self-documenting
- Complex logic has comments
- Error handling is appropriate
- Tests are present or can be added
Review Process
- First, understand what the code is trying to do
- Read through the code systematically
- Check each item on the checklist
- Note any issues found
- Provide constructive feedback
Output Format
## Code Review: [filename]
### Summary
[One paragraph describing what the code does and overall quality]
### Issues Found
#### Critical
- [Issue description] at line [X]
#### Major
- [Issue description] at line [X]
#### Minor
- [Issue description] at line [X]
### Strengths
- [What the code does well]
### Recommendations
1. [Prioritized suggestions for improvement]
### Verdict
[Approved / Needs Changes / Request Significant Changes]
Guidelines
- Be constructive, not critical
- Provide specific line numbers
- Suggest fixes, not just problems
- Acknowledge good practices
- Prioritize feedback by severity
Signals
- GitHub stars
- 1k
- Forks
- 387
- Last commit
- Jul 2026
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code-reviewing-huangjia2019- Source
- github.com/huangjia2019/claude-code-engineering