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ChatGPT SumOffice — real Word and Excel for agents document_comments

How to: ChatGPT SumOffice — real Word and Excel for agents document_comments

client:ChatGPT transport:streamable-http tool:document_comments

Add SumOffice — real Word and Excel for agents to ChatGPT

  1. 01

    Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.

https://view.sumoffice.com/mcp
  1. 02

    Save the file and restart ChatGPT.

  2. 03

    Ask for something document_comments does. ChatGPT lists the server's tools on connect and calls document_comments itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that SumOffice — real Word and Excel for agents's identifier in your config matches the one above exactly.

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.