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Custom apps are available on eligible Business, Enterprise, and Edu workspaces. Personal ChatGPT accounts cannot add custom MCP servers today.

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Create the app

  1. Open Settings > Apps and create a new app in developer mode.
  2. Give it the endpoint:
  3. Choose OAuth for authentication.
  4. Scan tools from the server.
  5. Complete authorization in the browser.

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Verify

Start a new chat, enable the Hive app, and ask for a live price. ChatGPT shows the tool call before it answers.

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Backend use instead

If you are calling the OpenAI Responses API from your own backend rather than using the ChatGPT interface, point the API at Hive’s endpoint with a bearer key instead of OAuth. See authentication.