# mcp-mdns — MCP server for mDNS service discovery

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MCP server that exposes mDNS (Multicast DNS) service discovery functionality via the Model Context Protocol. Enables LLMs to discover and query zero-configuration network services on the local network.

mcp-name: io.github.daedalus/mcp-mdns

## Install

```bash
pip install mcp-mdns
```

## Usage

```bash
# Run the MCP server
mcp-mdns
```

Or run directly with Python:

```bash
python -m mcp_mdns
```

## MCP Server Configuration

Configure your MCP client with:

```json
{
  "mcpServers": {
    "mdns": {
      "command": "mcp-mdns",
      "env": {}
    }
  }
}
```

## Available Tools

- `mdns_list_service_types` — List all service types advertised on the local network
- `mdns_browse_services` — Browse for services of a specific type (e.g., _http._tcp, _printer._tcp)
- `mdns_get_service_info` — Get detailed information about a specific service (host, port, TXT records)
- `mdns_resolve_hostname` — Resolve a .local hostname to IP addresses
- `mdns_register_service` — Register a new service on the local network
- `mdns_unregister_service` — Unregister a previously registered service

## Development

```bash
git clone https://github.com/daedalus/mcp-mdns.git
cd mcp-mdns
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/
```

## License

MIT