Codex CLI is a powerful tool that helps you analyze, refactor, and edit code automatically. It uses the latest GPT-5.2 model to understand your requests and make smart changes. You can ask it to review your project for bugs, improve performance, or even restructure large chunks of code.
This skill guides you through every step of running Codex CLI. You choose how much control the AI has using sandbox modes like read-only for safe reviews or workspace-write for applying edits. The tool also lets you pick reasoning effort levels from simple fixes to ultra-complex problem solving.
Whether you are a developer speeding up daily tasks or a team lead ensuring code quality, Codex CLI makes software engineering faster and more reliable. After each session you can easily resume right where you left off.
Add Codex skill to your workflow
Global
mkdir -p ~/.claude/skills/codexProject
mkdir -p .claude/skills/codexSource Repository
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