Using Codex with Marrow MCP
Use Codex when you need an agent to generate or change code while reading live Marrow context through MCP.
Prerequisites
- Codex CLI installed and signed in to your account.
- A Marrow MCP key. Create one in Marrow MCP Integrations.
Step 1: Add the Marrow MCP server
Add this to~/.codex/config.toml (global) or .codex/config.toml (project-scoped):
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: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:- MCP server URL:
https://mcp.marrow.com/mcp/v1 - Interactive Data Scheme
- Data Scheme JSON: https://api.marrow.com/api/v1/spec/data-scheme
- Need help? Use the contact form

