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How to add the Notion MCP server to ChatGPT

Server URL: https://mcp.notion.com/mcp
Sign-in: OAuth. Your client opens a browser window to sign in.
Our hands-on result: Works 6 of 6 tasks passed, tested Oct 16, 2026 with MCP Inspector (reference client).

ChatGPT setup

https://mcp.notion.com/mcp
  1. Open Plugins on chatgpt.com, click the plus button, then Add custom MCP server. On some plans you first turn on Developer mode under Settings.
  2. Name it notion and enter the URL: https://mcp.notion.com/mcp
  3. Choose OAuth and sign in when the window opens.
  4. Tick the risk acknowledgement, create it, then start a new chat and pick it with @.

We ran the hands-on test in a reference client, not in ChatGPT. This config follows ChatGPT's documented format for remote (Streamable HTTP) servers. If it fails for you, tell us and we will retest.

Known problems and fixes

Same server, other clients

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How to add the Notion MCP server to ChatGPT (tested Oct 16, 2026)