yaktool for Claude Desktop

com.yaktool/yaktool

73 local deterministic tools: GTIN, feeds, CSV-XLSX, Digital Link QR, e-invoices. Rules cited.

client:Claude Desktop transport:stdio runtime:npm

Install yaktool in Claude Desktop

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

{
  "mcpServers": {
    "yaktool": {
      "command": "npx",
      "args": [
        "-y",
        "yaktool-mcp"
      ]
    }
  }
}

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