Which integrations are available for this server?

Provides integration with OpenAI's Codex CLI, enabling capabilities such as code execution, automated code writing, and parallel code reviews with session management and real-time monitoring.

How do I use mcp-codex-dev?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@mcp-codex-dev Review my current code changes for quality and logic errors" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

mcp-codex-dev

MCP Server for integrating Codex CLI into Claude Code workflows with session management and real-time progress monitoring.

Installation

Prerequisites: Codex CLI installed and configured.

claude mcp add mcp-codex-dev -- npx -y github:FYZAFH/mcp-codex-dev

Tools

Tool	Description
`codex_exec`	Clean dialogue without templates, supports session resume
`codex_write`	Write code via Codex CLI, supports session resume
`codex_review`	Code review (spec + quality in parallel), supports resume
`codex_health`	Environment and config diagnostics
`codex_session_list`	List tracked sessions
`codex_session_discard`	Discard sessions

Configuration

Create ~/.mcp/mcp-codex-dev/config.json:

{ "model": "gpt-5.2", "sandbox": "danger-full-access", "timeout": 300000, "tools": { "codex_write": { "model": "gpt-5.3-codex", "sandbox": "danger-full-access", "timeout": 2000000 }, "codex_review": { "model": "gpt-5.2", "sandbox": "danger-full-access", "timeout": 3000000 }, "codex_health": { "enabled": false } } }

Top-level model / sandbox / timeout are global defaults. The tools section overrides per tool (keyed by tool name). Set "enabled": false to disable a tool.

Per-project config can be placed at <project>/.mcp/mcp-codex-dev.config.json.