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OpenAI Codex plugin inside Claude Code plugin marketplace

March 28, 2026Romain Huet, Vaibhav (VB) Srivastav, Charly Wargnier

Romain Huet, Vaibhav Srivastav, and others announce an open-sourced plugin that lets Claude Code call Codex for reviews and handoffs, using a ChatGPT subscription and standard slash commands.

Today we’re open sourcing a plugin for it! You can call Codex from Claude Code with your ChatGPT subscription.
Starting today you can use Codex in Claude Code 👀
/plugin marketplace add openai/codex-plugin-cc
/codex:adversarial-review for a steerable challenge review
/codex:rescue to let codex rescue your code
Try it out today with: /codex:review for a normal read-only Codex review /codex:adversarial-review for a steerable challenge review /codex:rescue to let codex rescue your code
OpenAI has launched a plugin that allows developers to run its Codex models directly inside Anthropic's highly popular Claude Code command-line interface.
Try it out today with: /codex:review
This is useful, but it also means Claude has distribution (not news at all) and OpenAI wants a piggyback ride.
We heard your feedback! You can vibe code but use codex to review!
Today we’re open sourcing a plugin for it!
You can call Codex from Claude Code with your ChatGPT subscription.
/codex:review
Romain Huet
Vaibhav (VB) Srivastav
Charly Wargnier
AshutoshShrivastava
Lisan al Gaib
Wes Roth
1LittleCoder
elvis
Kol Tregaskes
Delip Rao e/σ
Adam.GPT
Dhruv Batra
jason liu
Nick Dobos
Garry Tan
Alexander Embiricos
Kevin Kern
Tibo
NIK
cocktail peanut
pluginscode reviewopen sourceclaudeopenaicodexchatgptclaude codeopen sourcecoding agents

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