Codex CLI Skill

Use the codex CLI (OpenAI GPT-5.5 + GPT-5.4 Image 2) as a complementary tool to Claude. Codex's strengths are careful file reading, edge-case spotting, role-play fidelity, and unlimited high-quality image generation under subscription auth.

When To Use Codex (Decision Tree)

User intent
├── "Review/audit my code/PR/diff"        → Codex review  (see references/code-review-workflows.md)
├── "Audit/review my plan or spec"        → Codex plan audit (see references/plan-audit-workflows.md)
├── "Generate an image/banner/illustration/icon/infographic/visual asset" → Codex image gen (see references/image-generation.md)
├── "Get a second opinion from Codex"     → Codex exec one-shot
├── "Pretend to be Gemini/Qwen/o3"        → Codex role-play (see references/best-practices.md)
└── "Just run codex on X programmatically" → Codex exec (see references/cli-reference.md)