OpenAI releases a Codex plugin for Claude Code

This is a pragmatic interoperability play: Codex becomes a specialist reviewer and task runner inside a competing terminal workflow instead of a standalone destination.

• –The strongest use case is code review, especially for multi-file changes where a second model can catch blind spots.
• –`/codex:adversarial-review` is the most distinctive command because it pushes beyond ordinary review into design and risk pressure-testing.
• –Background delegation makes the plugin more than a review addon; it can hand off investigation and fix attempts while Claude Code stays in the loop.
• –The friction is low for existing Claude Code users, but it still depends on Codex availability and a working OpenAI login or API key.
• –This is most compelling for teams that want model diversity without adopting a separate agent UI or rewriting their workflow.