Connect ChatGPT to Epiphan MCP

Works with free and paid plans.

1. Go to Settings → Security and login and turn on Developer mode.
2. Go to Settings → Plugins.
3. Click + in the upper right to create a new plugin.
4. Fill in the left panel: Name → Epiphan MCP This is the suggested name, however, you can name it whatever you'd like Connection → Server URL Authentication → OAuth Server URL → paste your region URL: North American Servers → https://go.epiphan.cloud/mcp Europe Servers → https://eu.epiphan.cloud/mcp Australia Servers → https://au.epiphan.cloud/mcp
5. Expand Advanced OAuth settings and set: Registration method → User-Defined OAuth Client OAuth Client ID → https://chatgpt.com This URL field is case sensitive OAuth Client Secret → leave blank Token endpoint auth method → none Default scopes → tick mcp
6. Tick I understand and want to continue, then click Create.
7. Click Sign in with Epiphan MCP.
8. Sign in to Epiphan Cloud, select the team you want to grant access to, then click Authorize.
9. In a chat, press + and select Epiphan MCP. Once per chat is enough.

Business/Enterprise: an admin must enable Developer mode at the workspace level first. Members cannot enable it themselves.