In ChatGPT on the web, open Settings → Security and login and turn on
Developer mode.
Create the app
Go to chatgpt.com/plugins and click the +
button. Enter the name AdCrunch and a short description. Under
Connection, enter https://mcp.adcrunch.dev/mcp and choose OAuth.
Create the app. It shows under Drafts.
Use it in a chat
In a new conversation, open the + menu, choose Developer mode, and
select AdCrunch.
Sign in
The first time ChatGPT calls an AdCrunch tool, your browser opens the
AdCrunch sign-in. Sign in and approve the access.
The consent screen does not ask for an organization. ChatGPT acts for the organization that is active in your most recent AdCrunch session. Auth & scopes explains how to choose it.