Codex Code Review

Comprehensive code review and analysis workflows with full automation.

Last Updated: December 2025 (GPT-5.2 Release)

Automated Code Review

# Full automated review
codex exec --dangerously-bypass-approvals-and-sandbox \
  --json \
  "Review entire codebase:
  1. Code quality analysis
  2. Security vulnerabilities
  3. Performance issues
  4. Best practice violations
  5. Missing tests
  6. Documentation gaps
  Generate prioritized report" \
  > review-report.json

# Review with fixes
codex exec --dangerously-bypass-approvals-and-sandbox \
  "Review code and auto-fix all issues found"

Git Diff Review

# Review uncommitted changes
git diff | codex exec --dangerously-bypass-approvals-and-sandbox \
  "Review this diff and suggest improvements"

# Review PR changes
gh pr view 123 --json body,diff | \
  codex exec --dangerously-bypass-approvals-and-sandbox \
  "Review PR and provide detailed feedback"

Apply Codex Suggestions

# Apply latest diff from Codex
codex apply
# or
codex a

# Review before applying
git diff  # Review what Codex changed
git add -p  # Stage selectively

Automated Review Workflows

#!/bin/bash
# Complete automated review workflow

auto_review_and_fix() {
  local scope="${1:-.}"

  codex exec --dangerously-bypass-approvals-and-sandbox \
    "Automated review and fix for $scope:
    1. Analyze all code
    2. Identify issues
    3. Auto-fix all issues
    4. Run tests
    5. Fix test failures
    6. Generate review report
    7. Create clean git commits" \
    > review-summary.md

  echo "Review complete: review-summary.md"
}

# Usage
auto_review_and_fix "./src"

PR Automation

# Automated PR review
gh pr view $PR_NUMBER --json diff | \
  codex exec --dangerously-bypass-approvals-and-sandbox \
  --json \
  "Review PR comprehensively:
  1. Code quality
  2. Security
  3. Performance
  4. Tests
  5. Documentation
  Provide actionable feedback"

Related Skills

• codex-cli: Main integration
• codex-git: Git workflows
• codex-tools: Tool execution