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DNDzgz MCP Server

DNDzgz MCP Server

Public
danilat/mcp-dndzgz

Provides real-time tram, bus, and public bicycle rental information for Zaragoza, including arrival estimations, station details, geolocation services, and Google Maps links via the Model Context Protocol.

javascript
0 tools
May 30, 2025
Updated Jun 4, 2025

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DNDzgz MCP Server

This is an MCP (Model Context Protocol) server that provides information about the Zaragoza tram system, including real-time tram arrival estimations and station information using the DNDzgz API.

Installation

  1. Clone the repository:
git clone https://github.com/danilat/mcp-dndzgz.git cd mcp-dndzgz
  1. Install dependencies:
npm install

Running the Application

Add a the environment variable with a valid google maps api key

GOOGLE_MAPS_API_KEY=your-api-key

To start the server:

npm start

Or configure in your MCP client, for example:

{ "mcpServers": { "dndzgz": { "command": "node", "args": [ "/Users/danilat/workspace/mcp-dndzgz/index.js" ], "env": { "GOOGLE_MAPS_API_KEY": "your-api-key" } } } }

The server will start and connect to the MCP transport layer.

Available Tools

The server provides the following tools:

  1. zaragoza-tram-estimations: Get real-time arrival estimations for a specific tram station

    • Parameters:
      • station (number): ID of the tram station
    • Returns: JSON with estimated arrival times for both directions
  2. zaragoza-tram-stations: Get a list of all tram stations in Zaragoza

    • Parameters:
      • latitude (number): Latitude to sort stations by proximity
      • longitude (number): Longitude to sort stations by proximity
    • Returns: JSON with station information including location, name, and ID
  3. zaragoza-bus-stops: Get all bus stops in Zaragoza

    • Parameters:
      • latitude (number): Latitude to sort stops by proximity
      • longitude (number): Longitude to sort stops by proximity
    • Returns: JSON with bus stop locations, names, IDs, and lines
  4. zaragoza-bus-estimations: Get real-time arrival estimations for a specific bus stop

    • Parameters:
      • stop (number): ID of the bus stop
    • Returns: JSON with estimated arrival times for each line serving that stop
  5. zaragoza-bizi-stations: Get all Bizi stations in Zaragoza (public bicycle rental service)

    • Parameters:
      • latitude (number): Latitude to sort stations by proximity
      • longitude (number): Longitude to sort stations by proximity
    • Returns: JSON with Bizi station locations, names, and IDs
  6. zaragoza-bizi-estimations: Get real-time availability of bikes and free slots in a Bizi station

    • Parameters:
      • station (number): ID of the Bizi station
    • Returns: JSON with bikes and parking slot availability
  7. google-maps-link: Get a Google Maps link for a specific location

    • Parameters:
      • latitude (number): Latitude of the location
      • longitude (number): Longitude of the location
    • Returns: Google Maps URL showing the specified location
  8. geolocation-from-address: Get the geolocation (latitude and longitude) from an address and the formatted address that was found

    • Parameters:
      • address (string): The address to geolocate (e.g., "Plaza de San Francisco, Zaragoza, Spain")
    • Returns: JSON with latitude, longitude, confidence level, and formatted address

Dependencies

  • @modelcontextprotocol/sdk: ^1.9.0

Example

There is an screenshot with example using Claude Desktop

!Screenshot of an example using Claude Desktop, asking in spanish to get the tram estimations for Romareda station

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