Excel MCP Server

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Excel file processing server based on Model Context Protocol (MCP), providing functionalities for reading, writing, and analyzing Excel files.

Features

• 📖 Read Excel Files

  • Get worksheet list
  • Read specific worksheet data
  • Read all worksheets data

• ✍️ Write Excel Files

  • Create new Excel files
  • Write to specific worksheet
  • Support multiple worksheets

• 🔍 Analyze Excel Structure

  • Analyze worksheet structure
  • Export structure to new file

• 💾 Cache Management

  • Automatic file content caching
  • Scheduled cache cleanup
  • Manual cache clearing

• 📝 Log Management

  • Automatic operation logging
  • Periodic log cleanup

Installation

Installing via Smithery

To install excel-mcp-server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @zhiwei5576/excel-mcp-server --client claude

Installing Manually

Installing via NPM excel-mcp-server can be automatically installed by adding the following configuration to the MCP servers configuration.

Windows Platform:

{
  "mcpServers": {
    "excel": {
        "command": "cmd",
        "args": ["/c", "npx", "--yes", "@zhiweixu/excel-mcp-server"],
        "env": {
            "LOG_PATH": "[set an accessible absolute path]",
            "CACHE_MAX_AGE": "1",
            "CACHE_CLEANUP_INTERVAL": "4",
            "LOG_RETENTION_DAYS": "7",
            "LOG_CLEANUP_INTERVAL": "24"
        }
    }
}

Other Platforms:

{
  "mcpServers": {
    "excel": {
        "command": "npx",
        "args": ["--yes", "@zhiweixu/excel-mcp-server"],
        "env": {
            "LOG_PATH": "[set an accessible absolute path]",
            "CACHE_MAX_AGE": "1",
            "CACHE_CLEANUP_INTERVAL": "4",
            "LOG_RETENTION_DAYS": "7",
            "LOG_CLEANUP_INTERVAL": "24"
        }
    }
}

Note: LOG_PATH is optional. If not set, logs will be stored in the 'logs' folder under the application root directory.other arguments are optional.

API Tools

Structure Tools

1. analyzeExcelStructure

   • Function: Get Excel file structure including sheet list and column headers in JSON format
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file
     • headerRows: Number of header rows (default: 1)

2. exportExcelStructure

   • Function: Export Excel file structure (sheets and headers) to a new Excel template file
   • Parameters:
     • sourceFilePath: Source Excel file path
     • targetFilePath: Target Excel file path
     • headerRows: Number of header rows (default: 1)

Read Tools

1. readSheetNames

   • Function: Get all sheet names from the Excel file
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file

2. readDataBySheetName

   • Function: Get data from a specific sheet in the Excel file
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file
     • sheetName: Name of the sheet to read
     • headerRow: Header row number (default: 1)
     • dataStartRow: Data start row number (default: 2)

3. readSheetData

   • Function: Get data from all sheets in the Excel file
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file
     • headerRow: Header row number (default: 1)
     • dataStartRow: Data start row number (default: 2)

Write Tools

1. writeDataBySheetName

   • Function: Write data to a specific sheet in the Excel file (overwrites if sheet exists)
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file
     • sheetName: Name of the sheet to write
     • data: Array of data to write

2. writeSheetData

   • Function: Create a new Excel file with provided data
   • Parameters:
     • fileAbsolutePath: Absolute path for the new Excel file
     • data: Object containing multiple sheet data

Cache Tools

1. clearFileCache
   • Function: Clear cached data for the specified Excel file
   • Parameters:
     • fileAbsolutePath: Absolute path of the Excel file to clear from cache

Configuration

Environment Variables

• LOG_PATH: Log files storage path

  • Optional
  • Default: 'logs' folder under application root directory

• CACHE_MAX_AGE: Cache expiration time (hours)

  • Optional
  • Default: 1

• CACHE_CLEANUP_INTERVAL: Cache cleanup interval (hours)

  • Optional
  • Default: 4

• LOG_RETENTION_DAYS: Log retention days

  • Optional
  • Default: 7

• LOG_CLEANUP_INTERVAL: Log cleanup interval (hours)

  • Optional
  • Default: 24

Default Configuration

• Cache Configuration

  • Cache expiration time: 1 hour
  • Cache cleanup interval: 4 hours

• Log Configuration

  • Log retention days: 7 days
  • Cleanup interval: 24 hours

Dependencies

• @modelcontextprotocol/sdk: ^1.7.0
• xlsx: ^0.18.5
• typescript: ^5.8.2

Development Dependencies

• @types/node: ^22.13.10
• nodemon: ^3.1.9
• ts-node: ^10.9.2

License

This project is licensed under the MIT License. This means you are free to:

• Use the software for commercial or non-commercial purposes

• Modify the source code

• Distribute original or modified code Requirements:

• Retain the original copyright notice

• No liability can be claimed against the authors for software use For detailed license information,please see the LICENSE file.