# Excel Mcp Server > A Model Context Protocol (MCP) server that reads and writes MS Excel data - **Type:** MCP server - **Install:** `agentstack add mcp-negokaz-excel-mcp-server` - **Verified:** Yes β€” security-reviewed for prompt injection and unsafe behavior - **Seller:** [negokaz](https://agentstack.voostack.com/s/negokaz) - **Installs:** 0 - **Category:** [Integrations](https://agentstack.voostack.com/c/integrations) - **Latest version:** 0.1.0 - **License:** MIT - **Upstream author:** [negokaz](https://github.com/negokaz) - **Source:** https://github.com/negokaz/excel-mcp-server ## Install ```sh agentstack add mcp-negokaz-excel-mcp-server ``` Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent. ## About # Excel MCP Server [](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 **πŸͺŸWindows 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 ``` Tools ### `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) Configuration 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) ## Source & license This open-source MCP server is cataloged on AgentStack and links to its original source β€” we do not rehost the code. - **Author:** [negokaz](https://github.com/negokaz) - **Source:** [negokaz/excel-mcp-server](https://github.com/negokaz/excel-mcp-server) - **License:** MIT Install and usage instructions live in the source repository linked above. ## Pricing - **Free** β€” Free ## Security capabilities Automated source analysis of v0.1.0 β€” what this tool can access: - **Network access:** no - **Filesystem access:** no - **Shell / process execution:** no - **Environment & secrets:** no - **Dynamic code execution:** no *"Yes" means the capability is present in the source β€” more access means more to trust, not that it is unsafe.* ## Versions - **0.1.0** β€” security scan: passed β€” Imported from the upstream source. ## Links - Listing page: https://agentstack.voostack.com/l/mcp-negokaz-excel-mcp-server - Seller: https://agentstack.voostack.com/s/negokaz - Browse the marketplace: https://agentstack.voostack.com/browse --- Listed on AgentStack β€” the marketplace for AI agent skills and MCP servers. 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