xlsx-tools MCP Server

by ruriazzio.github.ruriazz/xlsx-tools-mcpv0.3.0

MCP server for accurate, structure-preserving read/write access to Excel (.xlsx) files

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Active6d ago

Install xlsx-tools MCP server

claude mcp add xlsx-tools -- uvx xlsx-tools-mcp

{
  "mcpServers": {
    "xlsx-tools": {
      "command": "uvx",
      "args": [
        "xlsx-tools-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "xlsx-tools": {
      "command": "uvx",
      "args": [
        "xlsx-tools-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "xlsx-tools": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "xlsx-tools-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "xlsx-tools": {
      "command": "uvx",
      "args": [
        "xlsx-tools-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Variable	Required	Secret	Description
XLSX_MCP_FILES	—	—	Comma or semicolon-separated alias=path pairs of workbooks to preload at startup
XLSX_MCP_RECALC_TIMEOUT	—	—	Timeout in seconds for the LibreOffice recalculation pass (default 60)
XLSX_MCP_LOCK_TIMEOUT	—	—	Timeout in seconds to acquire the per-file lock (default 10)
XLSX_MCP_ALLOWED_DIRS	—	—	Comma or semicolon-separated list of allowed directories to restrict file access (supports case-insensitivity on Windows)
XLSX_MCP_AUTO_BACKUP	—	—	Enable automatic backup creation before workbook mutations (default true)
XLSX_MCP_BACKUP_DIR	—	—	Optional custom directory to store backup files instead of beside the target file