sheetxl for Claude Desktop

io.github.sheetxl/sheetxl

Excel-grade spreadsheet built for agents: read, query, build and check .xlsx, .sxl and .csv files.

client:Claude Desktop transport:stdio runtime:npm

Install sheetxl in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "sheetxl": {
      "command": "npx",
      "args": [
        "-y",
        "@sheetxl/mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs