How do I use SumOffice MCP server?

1. Click on "Deploy Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@SumOffice MCP server Open the quarterly report and suggest edits to the sales summary." That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

SumOffice MCP server

Official

by SumOfficeApp

Overview Schema Source Related Servers Discussions Admin

Hybrid

SumOffice MCP server — real Word and Excel for agents

One server, two ways to run it. The agent opens your .docx / .xlsx / .xlsm, reads it, proposes a change, you approve, the file comes back intact — Excel and Word open the result without a repair dialog. Macros (VBA) and Power Query travel with the file.

Registry name: com.sumoffice/office · page with proof: https://sumoffice.com/mcp · image: docker.io/hissih/sumoffice-mcp

Remote — nothing to install

https://view.sumoffice.com/mcp (streamable HTTP).

claude mcp add --transport http sumoffice https://view.sumoffice.com/mcp

Clients without HTTP support: npx -y mcp-remote https://view.sumoffice.com/mcp (see examples/).

Related MCP server: MCP Word Commander

Local over stdio — local file paths

docker run -i --rm -v "$PWD:/work" hissih/sumoffice-mcp

The server runs on your machine and accepts path in document_open_file (paths under /work). The file itself is opened in a private, short-lived editor session on the SumOffice server and deleted after the session; nothing in the file is executed.

Tools

Documents (.docx)	Spreadsheets (.xlsx/.xlsm/.xlsb)	Both
`document_open_file`, `document_open`, `document_describe`, `document_read`, `document_find`, `document_comments`, `document_propose_replacement` → `document_apply`	`sheet_describe`, `sheet_read`, `sheet_find`, `sheet_propose_edits` → `sheet_apply`, `macro_list`, `macro_read_source`, `macro_plan`, `query_list`, `query_explain`, `workbook_inspect`	`document_save_copy`, `document_export_pdf`

propose_* never writes: it returns a diff for the person or the client to approve; *_apply applies exactly that proposal. Every step is listed in the response, so the agent cannot change a file silently.

Examples

examples/claude-desktop.json — Claude Desktop (claude_desktop_config.json), local stdio via Docker.
examples/cursor-mcp.json — Cursor (.cursor/mcp.json), remote HTTP.
examples/claude-code.sh — Claude Code, both variants.
examples/docker-compose.yml — the local server as a compose service with a mounted folder.

What it does not do yet

One editor session per document at a time; a second agent on the same file gets read-only.
Power Query definitions are preserved, not refreshed, in the server session.
Macros are read and routed (which will run natively, which stay in Excel); they are not executed by the MCP server.

Limits and privacy

Free, no account. Remote: per-address daily quota; files are deleted after the session or 24 hours at most, never used for anything else. Details: https://sumoffice.com/app-privacy.html

Licence

This repository (documentation, manifest, examples) is MIT. The server image is free for evaluation and for use with the public endpoint; production use inside an organisation is licensed per application — https://sumoffice.com/download#server. Questions: hello@sumoffice.com

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityMaintained

ResponsivenessNo issues

Resources

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