MCP server URL: https://your-server/mcp/{administration-id}Click to copy

1. In ChatGPT, go to Settings → Connectors and enable developer/advanced mode if prompted.
2. Choose Add custom connector (or "Add MCP server") and paste the MCP server URL above.
3. Complete the sign-in that opens — you will be sent to this portal to log in and choose an access level.
4. Enable the connector in a chat to let ChatGPT use your Exact Online data.