Install Installation in Codex

What you need first

Codex, installed.
Node.js, which gives the npx command the server starts with.
Your own values for YOUR_PROABONO_API_BASE,YOUR_PROABONO_BUSINESS_ID,YOUR_PROABONO_SEGMENT_REF,YOUR_PROABONO_AGENT_KEY,YOUR_PROABONO_API_KEY,YOUR_PROABONO_PORTAL_SECRET,YOUR_PROABONO_WEBHOOK_SECRET.

Steps

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 mcp-installation --env PROABONO_API_BASE=YOUR_PROABONO_API_BASE --env PROABONO_BUSINESS_ID=YOUR_PROABONO_BUSINESS_ID --env PROABONO_SEGMENT_REF=YOUR_PROABONO_SEGMENT_REF --env PROABONO_AGENT_KEY=YOUR_PROABONO_AGENT_KEY --env PROABONO_API_KEY=YOUR_PROABONO_API_KEY --env PROABONO_PORTAL_SECRET=YOUR_PROABONO_PORTAL_SECRET --env PROABONO_WEBHOOK_SECRET=YOUR_PROABONO_WEBHOOK_SECRET -- npx -y @proabono/[email protected]

Replace YOUR_PROABONO_API_BASE,YOUR_PROABONO_BUSINESS_ID,YOUR_PROABONO_SEGMENT_REF,YOUR_PROABONO_AGENT_KEY,YOUR_PROABONO_API_KEY,YOUR_PROABONO_PORTAL_SECRET,YOUR_PROABONO_WEBHOOK_SECRET with your own values.
Start Codex again and type /mcp: the server is listed.

Check it worked

Ask Codex: List the tools of mcp-installation.

If it does not start

spawn npx ENOENT: Node.js is not on the PATH that Codex sees. Install it, or write the full path of npx in the config.
The server starts, but its tools fail: A YOUR_… placeholder is still in the config, or its value is wrong.

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