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openpyxl-mcp-server

by jonemo

A thin wrapper around the OpenPyXl Python library that exposes some of its features as a Model Context Protocol (MCP) server. This allows Claude and other MCP clients to fetch data from Excel files.

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What is openpyxl-mcp-server?

openpyxl-mcp-server is a server that wraps the OpenPyXl Python library and exposes its functionality via the Model Context Protocol (MCP). This enables Large Language Models (LLMs) like Claude to access and extract data from Excel files.

How to use openpyxl-mcp-server?

  1. Download the executable for your operating system. 2. Configure your MCP client (e.g., Claude Desktop) by adding the server configuration to the client's config file, specifying the path to the executable and any necessary arguments. 3. Restart your MCP client. 4. Use prompts in your MCP client to query data from Excel files, referencing the file path in your prompts.

Key features of openpyxl-mcp-server

  • Exposes OpenPyXl functionality as an MCP server

  • Allows LLMs to read and extract data from Excel files

  • Supports various MCP clients (Claude, Cursor, Windsurf, Zed, RooCode, Cline, LibreChat)

  • Provides standalone executables for easy deployment

  • Supports running from source code for development and customization

Use cases of openpyxl-mcp-server

  • Extracting data from Excel files for analysis by LLMs

  • Answering questions about data stored in Excel files

  • Filling out forms stored in Excel format

  • Integrating Excel data into LLM-powered workflows

FAQ from openpyxl-mcp-server

What is MCP?

Model Context Protocol (MCP) is a protocol that allows LLMs to access external data sources and tools.

Which Excel file formats are supported?

The server uses OpenPyXl, so it supports the file formats supported by OpenPyXl, primarily .xlsx.

How do I configure the server for Claude Desktop?

You need to edit the claude_desktop_config.json file and add a configuration block for the openpyxl_mcp_server, specifying the path to the executable and any arguments.

Can I run the server from source code?

Yes, you can clone the repository, install the dependencies, and run the server directly from the source code.

Where can I find more information about MCP?

You can find more information on the Model Context Protocol website: https://modelcontextprotocol.io/