By hand
In the admin
- In your site's admin, open Settings › MCP setup, choose ChatGPT and copy the address.
- In ChatGPT, open Settings › Apps › Advanced settings and turn on Developer mode.
- Create an app with the name MCP setup shows, and the address you copied as its URL.
- Sign in to your site when ChatGPT asks, and press Allow.
ChatGPT connects on the web, and your site must be on https.