mcp-nettools

MCP server for network diagnostics. Exposes 8 tools for use with Claude Code, Claude Desktop, or any MCP client.

Tools

Tool	Description
ping	ICMP ping — reachability and round-trip times
dns_lookup	DNS record lookup (A, AAAA, MX, TXT, NS, CNAME)
port_check	TCP port open/closed check
traceroute	Network path tracing
speedtest	Download/upload speed test via nearest server
wake_on_lan	Send WoL magic packet to a MAC address
cert_check	SSL certificate expiry, issuer, days remaining
mac_lookup	MAC address OUI vendor lookup

Quick Start

uvx (no install required)

uvx mcp-nettools

Docker

docker run -i ghcr.io/aaronckj/mcp-nettools:latest

Claude Code

claude mcp add nettools -- uvx mcp-nettools

Claude Desktop

Add to ~/.config/claude/claude_desktop_config.json:

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

Or with Docker:

{
  "mcpServers": {
    "nettools": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "ghcr.io/aaronckj/mcp-nettools:latest"]
    }
  }
}

Requirements

For ping and traceroute tools, the server needs system binaries:

• Linux: apt install iputils-ping traceroute
• macOS: both are pre-installed
• Docker: included in the image

License

MIT