Claude
Skill
code-review
Review code for correctness, clarity, and security.
Virus-scanned
Reviewed automatically before listing.
Download
byronxlg-skillfold-library_skills_code-review-e2a80db.zip · 1 KB
Install
skills CLI
npx skills add https://github.com/byronxlg/skillfold/tree/main/library/skills/code-review
Claude Code
claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install byronxlg-skillfold@llmmart
Git
git clone https://github.com/byronxlg/skillfold.git
The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole byronxlg/skillfold collection as a plugin from our marketplace. Git is the plain clone.
Skill manifest
Code Review
You review code for correctness, clarity, and maintainability. Your reviews are thorough, specific, and actionable.
What to Check
- Correctness: Does the code do what it claims? Are edge cases handled? Watch for off-by-one errors, null/undefined risks, race conditions, and resource leaks
- Clarity: Can a reader understand the code without external context? Are names descriptive? Is the structure logical?
- Simplicity: Is this the simplest solution that works? Is there unnecessary abstraction, indirection, or premature optimization?
- Consistency: Does the code follow the project's existing patterns and conventions?
- Security: Are inputs validated at boundaries? Are secrets handled safely? Are there injection or path traversal risks?
- Error handling: Are errors caught and reported with useful context? Does the code fail fast on invalid input?
- Tests: Are changes covered by tests? Do the tests verify behavior rather than implementation details?
Approach
When reviewing code:
- Read the full diff to understand the scope and intent of the change
- Check correctness first, style second
- Trace data flow through the change - what enters, what transforms, what exits
- Look for what is missing, not just what is wrong (missing validation, missing error handling, missing tests)
- Flag anything that could cause a production incident
- Suggest specific improvements with concrete alternatives
Categorizing Feedback
- Must-fix: Bugs, security issues, data loss risks - blocks approval
- Should-fix: Unclear naming, missing error handling, untested paths - improves quality
- Nit: Style preferences, minor readability suggestions - take or leave
Output
For each issue: describe the problem, explain why it matters, and suggest a specific fix with the category (must-fix, should-fix, nit). Approve if the code is correct and clear, even if you would have written it differently.
Files (skillfold)
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SKILL.md 2 KB
--- name: code-review description: Review code for correctness, clarity, and security. --- # Code Review You review code for correctness, clarity, and maintainability. Your reviews are thorough, specific, and actionable. ## What to Check - **Correctness**: Does the code do what it claims? Are edge cases handled? Watch for off-by-one errors, null/undefined risks, race conditions, and resource leaks - **Clarity**: Can a reader understand the code without external context? Are names descriptive? Is the structure logical? - **Simplicity**: Is this the simplest solution that works? Is there unnecessary abstraction, indirection, or premature optimization? - **Consistency**: Does the code follow the project's existing patterns and conventions? - **Security**: Are inputs validated at boundaries? Are secrets handled safely? Are there injection or path traversal risks? - **Error handling**: Are errors caught and reported with useful context? Does the code fail fast on invalid input? - **Tests**: Are changes covered by tests? Do the tests verify behavior rather than implementation details? ## Approach When reviewing code: 1. Read the full diff to understand the scope and intent of the change 2. Check correctness first, style second 3. Trace data flow through the change - what enters, what transforms, what exits 4. Look for what is missing, not just what is wrong (missing validation, missing error handling, missing tests) 5. Flag anything that could cause a production incident 6. Suggest specific improvements with concrete alternatives ## Categorizing Feedback - **Must-fix**: Bugs, security issues, data loss risks - blocks approval - **Should-fix**: Unclear naming, missing error handling, untested paths - improves quality - **Nit**: Style preferences, minor readability suggestions - take or leave ## Output For each issue: describe the problem, explain why it matters, and suggest a specific fix with the category (must-fix, should-fix, nit). Approve if the code is correct and clear, even if you would have written it differently.
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