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Xlwings MCP server

by geniuskey·io.github.geniuskey/mcp-server-xlwings·v0.4.1·1 stars
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Excel automation via xlwings COM. DRM-protected files, live sessions, VBA macros. Windows only.

B75/100grade B
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Safety scan
B75/100

full report

Adoption
New

1 stars26 downloads/wk

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Xlwings tools (11, 2 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • find_replace

    Search for text in a sheet, optionally replacing it.

  • format_range

    Apply formatting to a cell range.

  • get_active_workbook

    Get the currently active workbook info including sheets, active sheet, and current selection address with its data.

  • get_cell_styles

    Get formatting/style info for cells in a range. Returns only cells with non-default styles. Useful for identifying headers, subtotals, and data roles by visual formatting.

  • get_formulas

    Get all formulas in a range. Returns only cells that contain formulas.

  • get_objects

    List charts, images, and shapes on a sheet.

  • manage_sheets

    Manage sheets and structure.

  • manage_workbooks

    Manage Excel workbooks: list, open, save, close, or recalculate.

  • read_data

    Read data from an Excel range. When cell_range is omitted, returns a sheet summary (used range address, total rows/columns, headers) WITHOUT reading all data -- call again with a specific cell_range to fetch the actual data. Set detail=True on a single cell to get formula, type, and formatting info. Use sheet="*" to batch-read all sheets in one call.

  • run_macrowrite action

    Run a VBA macro in Excel and return its result.

  • write_datawrite action

    Write data or a formula to Excel cells. Provide 'data' for a 2D array, or 'formula' for a single-cell formula.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan8 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 211 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Xlwings compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 48,255 servers
Tools
11
the typical server has 7
Tools that change things
18%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
1
more than 65% of 28,688 servers
Downloads a week
26
more than 13% of 12,191 servers with a package

What its tools let an agent do: 9 read · 1 create · 1 run or deploy

Install Xlwings in Claude Code, Cursor or VS Code

claude mcp add mcp-server-xlwings -- uvx mcp-server-xlwings
Add to Cursor

What the publisher says

From the Xlwings repository's README, as published. We do not edit it. Read it on GitHub

mcp-server-xlwings

MCP server for Excel automation via xlwings COM. Works with DRM-protected files.

Why xlwings?

Libraries like openpyxl or pandas read .xlsx files directly from disk. This fails when:

  • DRM / file-level encryption is applied (common in enterprise environments)
  • You need to interact with a live Excel session (formulas, macros, add-ins)
  • Files are locked by another process

mcp-server-xlwings uses COM automation to talk to the running Excel process, so it can read and write any file that Excel itself can open -- including DRM-protected documents.

xlwings-exclusive capabilities

These features are impossible with file-based libraries like openpyxl:

  • Read the user's current selection -- see exactly what the user is looking at
  • Get the active workbook -- no need to specify a file path
  • Run VBA macros -- execute existing macros and get their return values
  • Live formula results -- set a formula and get the calculated value immediately
  • Force recalculation -- trigger Excel to recalculate all formulas

Installation

With uvx (recommended)

uvx mcp-server-xlwings

With pip

pip install mcp-server-xlwings

Configuration

Claude Desktop

Add to %APPDATA%\Claude\claudedesktopconfig.json:

{
  "mcpServers": {
    "xlwings": {
      "command": "uvx",
      "args": ["mcp-server-xlwings"]
    }
  }
}

Claude Code

claude mcp add xlwings -- uvx mcp-server-xlwings

Roo Code (VS Code)

Add to Roo Code MCP settings or create /.roo/mcp.json:

{
  "mcpServers": {
    "xlwings": {
      "command": "uvx",
      "args": ["mcp-server-xlwings"]
    }
  }
}

Cursor

Add to %USERPROFILE%\.cursor\mcp.json:

{
  "mcpServers": {
    "xlwings": {
      "command": "uvx",
      "args": ["mcp-server-xlwings"]
    }
  }
}

Windsurf

Add to %USERPROFILE%\.codeium\windsurf\mcp_config.json:

{
  "mcpServers": {
    "xlwings": {
      "command": "uvx",
      "args": ["mcp-server-xlwings"]
    }
  }
}

Continue (VS Code)

Add to ~/.continue/config.yaml:

mcpServers:
  - name: xlwings
    command: uvx
    args:
      - mcp-server-xlwings

Available Tools (11)

All tools default to the active workbook when workbook is omitted.

Examples

See what the user is working on

"What's in the spreadsheet I have open?"

The agent calls getactiveworkbook() to get the workbook name, sheets, and selection data, then read_data() to fetch the full sheet.

Summarize selected data

"Summarize the data I've selected"

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Xlwings: common questions

Is Xlwings MCP server safe?
Mostly: it is graded B (75/100). Read the Xlwings safety report
How do I install Xlwings?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Xlwings need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Xlwings maintained?
The last commit was 248 days ago (2026-03-01). The latest release is v0.4.1.
What can I use instead of Xlwings?
Servers from other publishers that do the same job: e2e MCP server, Excel MCP Server and Token Optimizer MCP server.
How does Xlwings compare with other MCP servers?
safety score 75/100 (higher than 45% of 48,255 servers); tools 11 (the typical server has 7); tools that change things 18% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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