Documentation
Command
/review
Review code changes for bugs, security issues, and improvements
Install
$ npx -y skills add TheDecipherist/claude-code-mastery --agent claude-codeHow it fires
How this command gets triggered: by you, by Claude, or both.
- Fires itselfClaude auto-loads it when your prompt matches the work.
- You can call itInvoke it directly when you want it.
- Slash command
/review
Context preview
What this command does when you run it.
Review code changes for bugs, security issues, and improvements
Command definition
review.mddescription: Review code changes for bugs, security issues, and improvements
Code Review
Review the current changes systematically.
1. Get the Changes
git diff --staged
If nothing is staged, check unstaged changes:
git diff
2. Review Checklist
For each changed file, evaluate:
Correctness
- [ ] Logic is correct and handles edge cases
- [ ] No off-by-one errors
- [ ] Null/undefined handled properly
- [ ] Async operations awaited correctly
- [ ] Error paths don't leave state inconsistent
Security
- [ ] No hardcoded secrets or credentials
- [ ] User input is validated/sanitized
- [ ] No SQL injection vulnerabilities
- [ ] No XSS vulnerabilities
- [ ] Sensitive data not logged
Performance
- [ ] No N+1 query patterns
- [ ] No unnecessary re-renders (React)
- [ ] Large lists are paginated or virtualized
- [ ] Expensive operations are memoized where appropriate
Maintainability
- [ ] Code is readable without excessive comments
- [ ] No magic numbers (use constants)
- [ ] Functions do one thing
- [ ] No dead code
3. Output Format
For each issue found:
**[SEVERITY]** filename:line_number
Issue: <description>
Suggestion: <how to fix>
Severity levels:
- **CRITICAL** — Must fix before merge (security, data loss, crashes)
- **HIGH** — Should fix (bugs, performance issues)
- **MEDIUM** — Consider fixing (code smell, maintainability)
- **LOW** — Optional (style, minor improvements)
4. Summary
End with:
- Total issues by severity
- Overall assessment (approve / request changes)
- Any praise for well-written code
Read more
description: Review code changes for bugs, security issues, and improvements
Code Review
Review the current changes systematically.
1. Get the Changes
git diff --staged
If nothing is staged, check unstaged changes:
git diff
2. Review Checklist
For each changed file, evaluate:
Correctness
- [ ] Logic is correct and handles edge cases
- [ ] No off-by-one errors
- [ ] Null/undefined handled properly
- [ ] Async operations awaited correctly
- [ ] Error paths don't leave state inconsistent
Security
- [ ] No hardcoded secrets or credentials
- [ ] User input is validated/sanitized
- [ ] No SQL injection vulnerabilities
- [ ] No XSS vulnerabilities
- [ ] Sensitive data not logged
Performance
- [ ] No N+1 query patterns
- [ ] No unnecessary re-renders (React)
- [ ] Large lists are paginated or virtualized
- [ ] Expensive operations are memoized where appropriate
Maintainability
- [ ] Code is readable without excessive comments
- [ ] No magic numbers (use constants)
- [ ] Functions do one thing
- [ ] No dead code
3. Output Format
For each issue found:
**[SEVERITY]** filename:line_number Issue: <description> Suggestion: <how to fix>
Severity levels:
- **CRITICAL** — Must fix before merge (security, data loss, crashes)
- **HIGH** — Should fix (bugs, performance issues)
- **MEDIUM** — Consider fixing (code smell, maintainability)
- **LOW** — Optional (style, minor improvements)
4. Summary
End with:
- Total issues by severity
- Overall assessment (approve / request changes)
- Any praise for well-written code
Ships withclaude-code-mastery
The complete guide to maximizing Claude Code: Global CLAUDE.md, MCP Servers, Commands, Hooks, Skills, and Why Single-Purpose Chats Matter. This version is obsolete by now.
Get the whole plugin

