Excel MCP Server

# Excel MCP Server <img src="https://github.com/negokaz/excel-mcp-server/blob/main/docs/img/icon-800.png?raw=true" width="128"> <a href="https://glama.ai/mcp/servers/@negokaz/excel-mcp-server"> <img width="380" height="200" src="https://glama.ai/mcp/servers/@negokaz/excel-mcp-server/badge" alt="Excel Server MCP server" /> </a> [](https://www.npmjs.com/package/@negokaz/excel-mcp-server) [](https://smithery.ai/server/@negokaz/excel-mcp-server) A Model Context Protocol (MCP) server that reads and writes MS Excel data. ## Features - Read/Write text values - Read/Write formulas - Create new sheets **🪟Windows only:** - Live editing - Capture screen image from a sheet For more details, see the [tools](#tools) section. ## Requirements - Node.js 20.x or later ## Supported file formats - xlsx (Excel book) - xlsm (Excel macro-enabled book) - xltx (Excel template) - xltm (Excel macro-enabled template) ## Installation ### Installing via NPM excel-mcp-server is automatically installed by adding the following configuration to the MCP servers configuration. For Windows: ```json { "mcpServers": { "excel": { "command": "cmd", "args": ["/c", "npx", "--yes", "@negokaz/excel-mcp-server"], "env": { "EXCEL_MCP_PAGING_CELLS_LIMIT": "4000" } } } } ``` For other platforms: ```json { "mcpServers": { "excel": { "command": "npx", "args": ["--yes", "@negokaz/excel-mcp-server"], "env": { "EXCEL_MCP_PAGING_CELLS_LIMIT": "4000" } } } } ``` ### Installing via Smithery To install Excel MCP Server for Claude Desktop automatically via [Smithery](https://smithery.ai/server/@negokaz/excel-mcp-server): ```bash npx -y @smithery/cli install @negokaz/excel-mcp-server --client claude ``` <h2 id="tools">Tools</h2> ### `excel_describe_sheets` List all sheet information of specified Excel file. **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file ### `excel_read_sheet` Read values from Excel sheet with pagination. **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `sheetName` - Sheet name in the Excel file - `range` - Range of cells to read in the Excel sheet (e.g., "A1:C10"). [default: first paging range] - `showFormula` - Show formula instead of value [default: false] - `showStyle` - Show style information for cells [default: false] ### `excel_screen_capture` **[Windows only]** Take a screenshot of the Excel sheet with pagination. **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `sheetName` - Sheet name in the Excel file - `range` - Range of cells to read in the Excel sheet (e.g., "A1:C10"). [default: first paging range] ### `excel_write_to_sheet` Write values to the Excel sheet. **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `sheetName` - Sheet name in the Excel file - `newSheet` - Create a new sheet if true, otherwise write to the existing sheet - `range` - Range of cells to read in the Excel sheet (e.g., "A1:C10"). - `values` - Values to write to the Excel sheet. If the value is a formula, it should start with "=" ### `excel_create_table` Create a table in the Excel sheet **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `sheetName` - Sheet name where the table is created - `range` - Range to be a table (e.g., "A1:C10") - `tableName` - Table name to be created ### `excel_copy_sheet` Copy existing sheet to a new sheet **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `srcSheetName` - Source sheet name in the Excel file - `dstSheetName` - Sheet name to be copied ### `excel_format_range` Format cells in the Excel sheet with style information **Arguments:** - `fileAbsolutePath` - Absolute path to the Excel file - `sheetName` - Sheet name in the Excel file - `range` - Range of cells in the Excel sheet (e.g., "A1:C3") - `styles` - 2D array of style objects for each cell. If a cell does not change style, use null. The number of items of the array must match the range size. - Style object properties: - `border`: Array of border styles (type, color, style) - `font`: Font styling (bold, italic, underline, size, strike, color, vertAlign) - `fill`: Fill/background styling (type, pattern, color, shading) - `numFmt`: Custom number format string - `decimalPlaces`: Number of decimal places (0-30) <h2 id="configuration">Configuration</h2> You can change the MCP Server behaviors by the following environment variables: ### `EXCEL_MCP_PAGING_CELLS_LIMIT` The maximum number of cells to read in a single paging operation. [default: 4000] ## License Copyright (c) 2025 Kazuki Negoro excel-mcp-server is released under the [MIT License](LICENSE)