Install WHOOP MCP in Codex

What you need first

• Codex, installed.
• uv, which gives the uvx command the server starts with.
• Your own values for YOUR_WHOOP_CLIENT_ID,YOUR_WHOOP_CLIENT_SECRET,YOUR_WHOOP_REDIRECT_URI,YOUR_WHOOP_DB_URL.

Steps

1. Run this in a terminal. It writes the server into ~/.codex/config.toml, which the Codex CLI, its IDE extension and the ChatGPT desktop app share.

codex mcp add whoop-postgres-mcp --env WHOOP_CLIENT_ID=YOUR_WHOOP_CLIENT_ID --env WHOOP_CLIENT_SECRET=YOUR_WHOOP_CLIENT_SECRET --env WHOOP_REDIRECT_URI=YOUR_WHOOP_REDIRECT_URI --env WHOOP_DB_URL=YOUR_WHOOP_DB_URL -- uvx whoop-postgres-mcp==0.1.0

2. Replace YOUR_WHOOP_CLIENT_ID,YOUR_WHOOP_CLIENT_SECRET,YOUR_WHOOP_REDIRECT_URI,YOUR_WHOOP_DB_URL with your own values.
3. Start Codex again and type /mcp: the server is listed.

Check it worked

Ask Codex: List the tools of whoop-postgres-mcp.

If it does not start

spawn uvx ENOENT

uv is not on the PATH that Codex sees. Install it, or write the full path of uvx in the config.

The server starts, but its tools fail

A YOUR_… placeholder is still in the config, or its value is wrong.