Codex Code Review Skill

Comprehensive code review with Codex (gpt-5.2).

When to Use

• Reviewing code before commit
• Getting feedback on implementation
• Checking for security issues
• Verifying best practices
• Architecture review

Reasoning Level

high (thorough but efficient review)

Execution

1. Identify code to review:
   • Specific files mentioned by user
   • Staged changes (git diff --staged)
   • Recent changes (git diff)
2. Gather context about the codebase patterns
3. Formulate a review prompt:

   Review this code thoroughly.
   
   Code:
   <code to review>
   
   Context:
   <any relevant context about patterns/conventions>
   
   Please review for:
   1. Bugs and logic errors
   2. Security vulnerabilities
   3. Performance issues
   4. Code quality and readability
   5. Best practices adherence
   6. Edge cases
   

4. Run: codex exec -c model_reasoning_effort="high" "<prompt>"
5. Return structured review feedback

Response Format

**Codex Code Review:**

**Summary:**
[Overall assessment]

**Issues Found:**
- 🔴 Critical: [if any]
- 🟡 Warning: [if any]
- 🔵 Suggestion: [if any]

**Detailed Feedback:**
[Line-by-line or section-by-section feedback]

**Recommendations:**
[Specific improvements]

**Session ID:** [id]