Connect your agent
ChatGPT
https://mail.example.com/mcpChatGPT: turn on developer mode, then create an app with the URL and OAuth.
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Turn on developer mode in Settings → Apps → Advanced settings. In a Business, Enterprise or Edu workspace, an admin may need to allow it first.
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Under Settings → Apps, choose Create, and add
https://mail.example.com/mcpwith OAuth. -
Sign in with your mailbox on postkeep’s page.