# SumOffice (sumoffice.com)

Opens, recalculates and saves Excel workbooks with macros and Power Query on your own server, without Microsoft Office installed.

- Atlas card: https://inite.ai/en/atlas/sumoffice.com
- Site: https://sumoffice.com
- For: IT and integration teams leaving Microsoft Office or embedding Excel editing in their own product
- Categories: data
- Use 0/100 · alive 100/100

## Used for

- check which Excel macros and formulas carry over before switching
- run Excel workbooks on a server without installing Excel
- embed office document editing inside an existing application

## Price

Not read yet.

## For developers

- API docs: https://sumoffice.com/developers.html
- MCP server: com.sumoffice/office (namespace; open on 2026-10-25, 21 tools)
- Read 2026-10-25

## MCP server, measured daily

Server: https://view.sumoffice.com/mcp, checked every day since 2026-10-25 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 490 ms
- Sign-in: none
- Context its tool definitions take: about 2531 tokens (21 tools)
- Tool definitions: C, 73/100
- Failing "params_described": 13 of 21 tools
- Failing "annotations": 21 of 21 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-25

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Source: INITE Atlas, https://inite.ai/en/atlas/sumoffice.com. JSON: https://inite.ai/api/atlas/sumoffice.com. MCP: https://inite.ai/api/mcp (atlas_lookup).