Code Reviewing
A systematic code reviewer that checks your code against quality, security, performance, and maintainability standards. It walks through a checklist covering things like hardcoded secrets, SQL injection risks, inefficient loops, and whether your functions are doing too much. The output is structured with severity levels (critical, major, minor) and specific line numbers, plus it actually tells you what's good about your code too. Use it when you want a second pair of eyes before committing or need to catch obvious security issues. The checklist approach is thorough without being overwhelming, and it pushes you to provide actionable feedback rather than vague complaints.
- GitHub stars
- 826
- last updated
- May 30, 2026
Install
$ npx -y skills add huangjia2019/claude-code-engineering --skill code-reviewing --agent claude-codeInstalls into .claude/skills of the current project.
Files
Code Review Skill
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]
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- Repository
- github.com/huangjia2019/claude-code-engineering
- Categories
- Security, Git & Pull Requests, Code Review & Quality
- First seen
- Jun 11, 2026
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