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Using Codex with Marrow MCP

Use Codex when you need an agent to generate or change code while reading live Marrow context through MCP. Codex connector setup steps

Prerequisites

Step 1: Add the Marrow MCP server

Add this to ~/.codex/config.toml (global) or .codex/config.toml (project-scoped):
Replace YOUR_API_KEY with your Marrow MCP key.

Step 2: Reload Codex

Restart your Codex session so it loads the new MCP server.

Step 3: Test the connection

Run a prompt that uses Marrow data, for example:
If Codex returns real data, you are connected.

Starter project

Need a working starting point? Clone our Codex template repository. It ships preconfigured.

Marrow MCP resources

Check the following resources for more information: