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Excel MCP Server

@negokaz

Repository

Basic information

Category

Other

License

MIT

Transports

stdio

Author

negokaz

About Excel MCP Server

A Model Context Protocol (MCP) server that reads and writes MS Excel data

Excel MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "excel-mcp-server-negokaz": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "@negokaz/excel-mcp-server",
        "--client",
        "claude"
      ]
    }
  }
}

Excel MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Excel MCP Server?

Excel MCP Server is a Model Context Protocol (MCP) server that reads and writes MS Excel data. It integrates with Excel workbooks in formats such as xlsx, xlsm, xltx, and xltm. It is designed for developers using MCP-compatible clients like Claude Desktop.

How to use Excel MCP Server?

Install via npm (npx @negokaz/excel-mcp-server) or via Smithery. Add the server configuration to your MCP client's mcpServers block, specifying the command as npx (or cmd on Windows) with the appropriate arguments. Use the provided tools (e.g., excel_read_sheet, excel_write_to_sheet) to interact with Excel files by providing file paths and range parameters.

Key features of Excel MCP Server

  • Read and write text values in cells
  • Read and write formulas (strings starting with "=")
  • Create new sheets and copy existing sheets
  • Create tables within a sheet
  • Format cells with borders, fonts, fills, and number formats (Windows only: live editing, screen capture)

Use cases of Excel MCP Server

  • Programmatically reading data from an Excel sheet for analysis
  • Writing computed results or generated formulas back to a workbook
  • Automating the creation of formatted tables and reports
  • Copying sheets to duplicate or reorganize workbook content
  • Applying consistent styling to ranges in an Excel file

Frequently asked questions

1

What runtime does Excel MCP Server require?

Node.js 20.x or later is required to run the server.

2

Which Excel file formats are supported?

Supported formats include .xlsx (Excel book), .xlsm (macro-enabled book), .xltx (template), and .xltm (macro-enabled template).

3

Can I control how many cells are read per page?

Yes. Set the environment variable `EXCEL_MCP_PAGING_CELLS_LIMIT` to adjust the maximum number of cells read in a single paging operation (default 4000).

4

Are all features available on any operating system?

Live editing and screen capture tools are only available on Windows. All other tools work cross-platform.

5

How do I write to a sheet without overwriting existing content?

Use `excel_write_to_sheet` with `newSheet: false` to write to an existing sheet. Use a specific range to target only the cells you want to modify.

Comments

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