# Part II. How to Work with Codex + Optimization/Security/Team

> Codex is not just code autocomplete in a chat; it is a full-fledged engineering agent: it reads the repository, plans changes, edits files, runs tests, reviews its own diffs, and c...

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> **[Restricted Content]**
> The full version is available to AI-Base / Plus subscribers or via one-time purchase.
> Open the full guide on the website: https://gotburnout.io/en/guides/ai_base/codex-team-optimization-security-guide-part-2