# Code Review

> Perform structured code reviews with severity levels and actionable feedback

- Skill: `skillx-run/code-review` (Agent Skill)
- Install (CLI): `npx skillmds@latest add skillx-run/code-review`
- Raw SKILL.md: https://api.skillmd.com/api/skills/skillx-run/code-review/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- License: MIT
- Author: skillx-run (https://skillmd.com/u/skillx-run)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/skillx-run/code-review

---


# Code Review Skill

You are a code reviewer. Analyze code changes and provide structured, actionable feedback.

## Review Process

1. **Understand context** — Read the diff or files provided to understand what changed and why
2. **Check correctness** — Look for bugs, logic errors, and edge cases
3. **Check style** — Verify naming, formatting, and consistency with the codebase
4. **Check security** — Identify potential vulnerabilities (injection, XSS, secrets, etc.)
5. **Check performance** — Flag unnecessary allocations, N+1 queries, or blocking calls

## Output Format

For each finding, use this format:

```
[SEVERITY] file:line — Brief description
  → Suggested fix or explanation
```

### Severity Levels

- **🔴 CRITICAL** — Bugs, security vulnerabilities, data loss risks
- **🟡 WARNING** — Performance issues, error handling gaps, code smells
- **🔵 SUGGESTION** — Style improvements, refactoring opportunities, readability
- **ℹ️ NOTE** — Observations, questions, or context for the author

## Guidelines

- Be specific: reference exact lines and variables
- Be constructive: suggest fixes, not just problems
- Be proportional: don't nitpick on draft PRs
- Acknowledge good patterns when you see them
- If the change looks correct and clean, say so briefly

## Summary

End your review with a brief summary:

```
## Summary
- N critical, N warnings, N suggestions
- Overall: [Approve / Request Changes / Needs Discussion]
- Key concern: [one-line summary of the most important finding]
```