Codex plugin for Claude Code
OpenAI's official plugin: Codex reviews of your changes and task delegation to Codex from inside a Claude Code session
- 34,699 ★ on the repository
- Last commit
- Apache-2.0
Extended access
Why this level
- Sends code and session context to OpenAI
- Rescue tasks can modify project files
Install
- Works in
In your terminal, with SkillFoxx CLI
npx skillfoxx add plugins/codex-plugin-for-claude-codeDetects the agents on your machine, shows the access level and pins the version.
Other ways to install
Access and checks
How we reviewExtended accessThe tool runs code or makes network calls and only reads external data.
- Sends code and session context to OpenAI
- Rescue tasks can modify project files
This is third-party code. Review the repository files before installing.
What it does
The plugin adds Claude Code commands that call your locally installed Codex CLI. /codex:review runs a standard review of uncommitted changes or a branch against a base, and /codex:adversarial-review challenges design decisions around a focus you give it. /codex:rescue hands a task to a Codex subagent, and /codex:transfer moves the current session into Codex so you can continue there. Background jobs are tracked with /codex:status, /codex:result and /codex:cancel, and an optional review gate runs on the Stop hook.
Who it is for. For Claude Code developers who want a second model's opinion or a backup agent.
Good fit when
- You want an independent review before merging
- You want to stress-test a design choice: races, rollback, auth
- Claude is stuck on a bug and the task should go to Codex
Not a fit when
- You have neither a ChatGPT account nor an OpenAI API key
- You need a review without sending code to an external provider
Example request
Ask Codex to review my branch against main in the backgroundLimitations
Requires Node.js 18.18 or later, the Codex CLI and sign-in with a ChatGPT account or OpenAI API key; usage counts toward Codex limits. The review gate can create a long Claude and Codex loop that drains limits quickly. OpenAI and Anthropic services are not available from Russia without a VPN.
How to disable. Turn off the review gate with /codex:setup --disable-review-gate, then uninstall the codex plugin via /plugin.
FAQ
Do I need a separate Codex account?
No, the plugin uses the Codex CLI's local sign-in. If you have not signed in yet, a ChatGPT account or API key works.
Does it use my existing Codex config?
Yes, it reads the same ~/.codex/config.toml and the project .codex/config.toml when the project is trusted.
Discussion
No questions or reviews yet.
Related
PluginsA Claude Code plugin: Claude does the task, then a stop hook starts an independent Codex review and Claude fixes the findings in the same session
A Claude Code skill that delegates tasks to OpenAI's Codex CLI for code analysis, review and edits
A layer on top of OpenAI Codex that adds project memory, planning and completion checks before a task counts as done
Claude Codex Settings
claude-codex-settings
A marketplace of dozens of plugins for Claude Code, Codex, Cursor and Gemini: skills, commands, hooks, subagents and configs for many tasks
A skill for second-agent review of plans or code: Claude Code starts rounds, Codex reviews, and they exchange files
A Claude Code and Codex plugin with skills for code research, tests, refactoring and independent review of finished changes
Comparison with similar tools
Entries that share the main search query, and how they differ.
| Entry | Official | Authentication | Repository stars | Main difference |
|---|---|---|---|---|
| Codex plugin for Claude Code (this entry) | no | 34,699 | ||
| Oracle | no | 4,060 | a CLI and MCP server that packs a prompt with chosen project files | |
| Codex MCP Server: Codex inside Claude Code | no | API key | 647 | an MCP server that hands tasks to the Codex CLI from inside Claude |
| review-loop | no | 726 | a Claude Code plugin |
README in short
The README lists the plugin's commands, requirements and install steps through the openai/codex-plugin-cc marketplace. Each command is documented with its flags, such as --base, --background, --wait, --resume and --fresh, plus typical flows. The plugin wraps the Codex app server and uses the same binary, sign-in and config as regular Codex. It warns that the review gate can cause long loops and drain limits.