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FRITZ!OS 8

io.github.tomwellnitz/fritzos8-mcp · v0.2.1

FRITZ!Box on FRITZ!OS 8: diagnostics, security audit, devices, Wi-Fi, phone, smart home

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add fritzos8-mcp -e FRITZ_HOST=<FRITZ_HOST> -e FRITZ_USER=<FRITZ_USER> -e FRITZ_PASSWORD=<FRITZ_PASSWORD> -e FRITZ_ALLOW_WRITE=<FRITZ_ALLOW_WRITE> -- uvx fritzos8-mcp==0.2.1
claude_desktop_config.json
{
  "mcpServers": {
    "fritzos8-mcp": {
      "command": "uvx",
      "args": [
        "fritzos8-mcp==0.2.1"
      ],
      "env": {
        "FRITZ_HOST": "<FRITZ_HOST>",
        "FRITZ_USER": "<FRITZ_USER>",
        "FRITZ_PASSWORD": "<FRITZ_PASSWORD>",
        "FRITZ_ALLOW_WRITE": "<FRITZ_ALLOW_WRITE>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "fritzos8-mcp": {
      "command": "uvx",
      "args": [
        "fritzos8-mcp==0.2.1"
      ],
      "env": {
        "FRITZ_HOST": "<FRITZ_HOST>",
        "FRITZ_USER": "<FRITZ_USER>",
        "FRITZ_PASSWORD": "<FRITZ_PASSWORD>",
        "FRITZ_ALLOW_WRITE": "<FRITZ_ALLOW_WRITE>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "fritzos8-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "fritzos8-mcp==0.2.1"
      ],
      "env": {
        "FRITZ_HOST": "<FRITZ_HOST>",
        "FRITZ_USER": "<FRITZ_USER>",
        "FRITZ_PASSWORD": "<FRITZ_PASSWORD>",
        "FRITZ_ALLOW_WRITE": "<FRITZ_ALLOW_WRITE>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
FRITZ_HOST
Optional		Host name or IP of the FRITZ!Box (default fritz.box)
FRITZ_USER
Required		FRITZ!Box user for the server (dedicated user recommended)
FRITZ_PASSWORD
Optional, secret		Password of that user (alternatively FRITZ_PASSWORD_FILE or the OS keychain)
FRITZ_ALLOW_WRITE
Optional		Set to 1 to enable write tools (every write is read back)

Details

Package[email protected] (PYPI, stdio)
First published15 Nov 2026
Last updated15 Nov 2026
Registry nameio.github.tomwellnitz/fritzos8-mcp

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