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Malaysia Transit MCP

by hithereiamaliff
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TypeScript
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Malaysia Transit MCP

MCP (Model Context Protocol) server for Malaysia's public transit system, providing real-time bus and train information across 10+ cities in Malaysia.

Data Source: Malaysia Transit Middleware

Table of Contents

Features

  • 12 Operational Service Areas across Malaysia

    • Klang Valley (Rapid Rail KL, Rapid Bus KL, MRT Feeder)

    • Penang (Rapid Penang)

    • Kuantan (Rapid Kuantan)

    • Ipoh, Seremban, Kangar, Alor Setar, Kota Bharu, Kuala Terengganu, Melaka, Johor, Kuching (BAS.MY)

  • Real-time Vehicle Tracking - Live positions of buses and trains

  • Stop Search & Information - Find stops by name or location

  • Route Discovery - Browse available routes with destinations

  • Arrival Predictions - Get real-time arrival times at stops (shape-based, 40-60% more accurate)

  • Schedule Information - Get departure times, route schedules, and operating status

  • Fare Calculator - Calculate bus fares for BAS.MY and Rapid Penang routes

  • Multi-Modal Support - Both bus and rail services

  • Provider Status Monitoring - Check operational status of transit providers

  • Location Detection - Automatically detect service areas using geocoding

  • šŸ†• API Analytics - View API usage statistics, endpoint metrics, and client tracking

  • šŸ†• Client Identification - MCP identifies itself to middleware for analytics tracking

Architecture

This MCP server acts as a bridge between AI assistants and the Malaysia Transit Middleware API:

AI Assistant (Claude, GPT, etc.) ā†“ Malaysia Transit MCP Server (identifies as "Malaysia-Transit-MCP") ā†“ Malaysia Transit Middleware API (tracks usage via X-App-Name header) ā†“ Malaysia Open Data Portal (GTFS Static & Realtime)

Client Identification: This MCP automatically sends an X-App-Name: Malaysia-Transit-MCP header with every API request, allowing the middleware to track usage from this MCP separately in its analytics dashboard.

Quick Start

Local Testing with Smithery Playground

Step 1: Start Your Middleware

First, ensure your Malaysia Transit Middleware is running:

cd path/to/malaysiatransit-middleware npm run dev

The middleware should be running on http://localhost:3000.

Step 2: Configure Environment

Create a .env file in the MCP project root:

cd malaysiatransit-mcp cp .env.sample .env

Edit .env:

MIDDLEWARE_URL=http://localhost:3000 GOOGLE_MAPS_API_KEY=your_api_key_here # Optional, for location detection

Step 3: Start Smithery Dev Server

npm install npm run dev

This will:

  1. Build your MCP server

  2. Start the Smithery CLI in development mode

  3. Open the Smithery playground in your browser

Step 4: Test in Smithery Playground

In the Smithery playground interface:

  1. Test the hello tool:

    Call: hello

    Expected: Returns server info and middleware URL

  2. List service areas:

    Call: list_service_areas

    Expected: Returns all available transit areas

  3. Search for stops:

    Call: search_stops Parameters: area: "penang" query: "Komtar"

    Expected: Returns matching stops

  4. Get real-time arrivals:

    Call: get_stop_arrivals Parameters: area: "penang" stopId: "<stop_id_from_search>"

    Expected: Returns upcoming bus arrivals

Installation

npm install

Configuration

Environment Variables

The MCP server uses environment variables for configuration. When deployed to Smithery, set these in the deployment settings:

  • MIDDLEWARE_URL (required): Malaysia Transit Middleware API URL

    • Local: http://localhost:3000

    • Production: Your deployed middleware URL (e.g., https://malaysiatransit.techmavie.digital)

  • GOOGLE_MAPS_API_KEY (optional): Google Maps API key for location detection

    • If not provided, falls back to Nominatim (free but less accurate)

    • Get your API key from Google Cloud Console

Development

To run the MCP server in development mode:

npm run dev

Build

To build the MCP server for deployment:

npm run build

Available Tools

Service Area Discovery

list_service_areas

List all available transit areas in Malaysia.

Parameters: None

Returns: List of service areas with their IDs, names, and capabilities.

Example:

const areas = await tools.list_service_areas();

get_area_info

Get detailed information about a specific area.

Parameters:

  • areaId (string): Service area ID (e.g., "penang", "klang-valley")

Example:

const info = await tools.get_area_info({ areaId: "penang" });

Location Detection

detect_location_area ā­

Automatically detect which transit service area a location belongs to using geocoding.

Parameters:

  • location (string): Location name or place (e.g., "KTM Alor Setar", "Komtar", "KLCC")

Returns: Detected area ID, confidence level, and location details.

Example:

const result = await tools.detect_location_area({ location: "KTM Alor Setar" }); // Returns: { area: "alor-setar", confidence: "high" }

Stop Information

search_stops

Search for stops by name. Use detect_location_area first if unsure about the area.

Parameters:

  • area (string): Service area ID

  • query (string): Search query (e.g., "Komtar", "KLCC")

Example:

const stops = await tools.search_stops({ area: "penang", query: "Komtar" });

get_stop_details

Get detailed information about a stop.

Parameters:

  • area (string): Service area ID

  • stopId (string): Stop ID from search results

get_stop_arrivals ā­

Get real-time arrival predictions at a stop.

Parameters:

  • area (string): Service area ID

  • stopId (string): Stop ID from search results

Returns: Includes a comprehensive disclaimer about prediction methodology, followed by arrival data with:

  • Calculation method (shape-based or straight-line)

  • Confidence level (high, medium, or low)

  • ETA in minutes

  • Vehicle information

Prediction Methodology:

  • Shape-Based Distance (Preferred): Uses actual route geometry, accurate within Ā±2-4 minutes

  • Straight-Line Distance (Fallback): Conservative estimates with 1.4x multiplier

  • Includes GPS speed validation, time-of-day adjustments, and stop dwell time

  • Conservative bias: Better to arrive early than miss the bus

Example:

const arrivals = await tools.get_stop_arrivals({ area: "penang", stopId: "stop_123" }); // Returns disclaimer + arrival data with confidence levels

find_nearby_stops

Find stops near a location.

Parameters:

  • area (string): Service area ID

  • lat (number): Latitude coordinate

  • lon (number): Longitude coordinate

  • radius (number, optional): Search radius in meters (default: 500)

Route Information

list_routes

List all routes in an area.

Parameters:

  • area (string): Service area ID

get_route_details

Get detailed route information.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

get_route_geometry

Get route path for map visualization.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

Real-time Data

get_live_vehicles ā­

Get real-time vehicle positions.

Parameters:

  • area (string): Service area ID

  • type (enum, optional): Filter by type ('bus' or 'rail')

Example:

const vehicles = await tools.get_live_vehicles({ area: "penang" });

get_provider_status

Check provider operational status.

Parameters:

  • area (string): Service area ID

Schedule Information (NEW)

get_route_departures

Get the next N departures for a specific route (both directions).

Parameters:

  • area (string): Service area ID (e.g., "ipoh", "seremban", "penang")

  • routeId (string): Route ID from list_routes

  • count (number, optional): Number of departures to return (default: 5)

Example:

const departures = await tools.get_route_departures({ area: "ipoh", routeId: "A32", count: 5 });

get_next_departure

Get the single next departure for a route in a specific direction.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

  • direction (enum, optional): 'outbound', 'inbound', or 'loop'

get_stop_routes

Get all routes serving a specific stop with their next departures.

Parameters:

  • area (string): Service area ID

  • stopId (string): Stop ID from search_stops

  • count (number, optional): Number of departures per route (default: 3)

get_route_schedule

Get the complete daily schedule for a route.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

get_route_origin

Get the origin stop name for a route in a specific direction.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

  • direction (enum, optional): 'outbound' or 'inbound'

get_route_status

Check if a route is currently operating based on its schedule.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from list_routes

Fare Calculator (NEW)

get_fare_routes

Get all routes available for fare calculation in a specific area.

Parameters:

  • area (string): Service area ID (e.g., "ipoh", "seremban", "penang", "kangar")

Supported Areas: BAS.MY areas (Ipoh, Seremban, Kangar, Alor Setar, Kota Bharu, Kuala Terengganu, Melaka, Johor, Kuching) and Rapid Penang.

get_route_stops_for_fare

Get all stops on a route with their distances for fare calculation.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from get_fare_routes

calculate_fare ā­

Calculate the bus fare between two stops on a route.

Parameters:

  • area (string): Service area ID

  • routeId (string): Route ID from get_fare_routes

  • fromStop (string): Origin stop ID

  • toStop (string): Destination stop ID

Returns: Adult, concession, and child fares in MYR with disclaimer.

Example:

const fare = await tools.calculate_fare({ area: "ipoh", routeId: "A32", fromStop: "stop_001", toStop: "stop_015" }); // Returns: { adult: "1.50", concession: "0.75", child: "FREE" }

calculate_journey_fare

Calculate the total fare for a multi-leg journey with bus transfers.

Parameters:

  • area (string): Base service area ID

  • legs (array): Array of journey legs (max 5), each with:

    • routeId (string): Route ID for this leg

    • fromStop (string): Origin stop ID

    • toStop (string): Destination stop ID

    • areaId (string, optional): Area ID for this leg (for inter-area journeys)

Note: Each bus change requires a separate fare payment (BAS.MY does not have integrated transfers).

System Tools

get_system_health

Check the health status of the Malaysia Transit middleware service.

Parameters: None

get_debug_info

Get comprehensive debug information about the middleware service.

Parameters: None

Analytics Tools (NEW)

get_api_analytics

Get API usage analytics and statistics from the middleware.

Parameters:

  • type (enum, optional): Type of analytics to retrieve:

    • summary (default): Overview with requests/hour, error rate, uptime

    • endpoints: Per-endpoint statistics

    • areas: Per-service-area statistics

    • cumulative: All-time totals

    • clients: App/website usage breakdown

Example:

// Get summary analytics const summary = await tools.get_api_analytics({ type: "summary" }); // Get client usage (see which apps use the API) const clients = await tools.get_api_analytics({ type: "clients" });

get_area_analytics

Get detailed API usage analytics for a specific service area.

Parameters:

  • area (string): Service area ID (e.g., "penang", "klang-valley")

Example:

const penangStats = await tools.get_area_analytics({ area: "penang" });

Testing

hello

Simple test tool to verify server is working.

Usage Examples

Find When Your Bus is Coming

// 1. Detect area from location const areaResult = await tools.detect_location_area({ location: "KTM Alor Setar" }); // 2. Search for your stop const stops = await tools.search_stops({ area: areaResult.area, query: "KTM Alor Setar" }); // 3. Get real-time arrivals const arrivals = await tools.get_stop_arrivals({ area: areaResult.area, stopId: stops[0].id }); // Returns: "Bus K100(I) arrives in 1 minute, Bus K100(O) in 2 minutes"

Track Live Buses

// Get all live vehicles in Penang const vehicles = await tools.get_live_vehicles({ area: "penang" }); // Filter by bus only const buses = await tools.get_live_vehicles({ area: "klang-valley", type: "bus" });

Discover Routes

// List all routes in Klang Valley const routes = await tools.list_routes({ area: "klang-valley" }); // Get detailed route information const routeDetails = await tools.get_route_details({ area: "klang-valley", routeId: "LRT-KJ" });

AI Integration Guide

Key Use Cases

1. "When is my bus coming?" ā­

This is the PRIMARY use case. Users want to know when their next bus/train will arrive.

Workflow:

1. User asks: "When is the next bus at Komtar?" 2. AI uses: detect_location_area({ location: "Komtar" }) 3. AI uses: search_stops({ area: "penang", query: "Komtar" }) 4. AI uses: get_stop_arrivals({ area: "penang", stopId: "..." }) 5. AI responds: "Bus T101 arrives in 5 minutes, Bus T201 in 12 minutes"

2. "Where is my bus right now?"

Users want to track their bus in real-time.

Workflow:

1. User asks: "Where is bus T101 right now?" 2. AI uses: detect_location_area({ location: "Penang" }) 3. AI uses: get_live_vehicles({ area: "penang" }) 4. AI filters for route T101 5. AI responds: "Bus T101 is currently at [location], heading towards Airport"

Tool Usage Patterns

Always Start with Location Detection

When a user mentions a location without specifying the area, use location detection:

// User: "When is the next bus at KTM Alor Setar?" const areaResult = await tools.detect_location_area({ location: "KTM Alor Setar" }); // Returns: { area: "alor-setar", confidence: "high" }

Search Before Details

Always search for stops/routes before requesting details:

// āœ… CORRECT const stops = await tools.search_stops({ area: "penang", query: "Komtar" }); const arrivals = await tools.get_stop_arrivals({ area: "penang", stopId: stops[0].id }); // āŒ WRONG - Don't guess stop IDs const arrivals = await tools.get_stop_arrivals({ area: "penang", stopId: "random_id" });

Response Formatting

Arrival Times

Format arrival times in a user-friendly way:

// āœ… GOOD "Bus T101 arrives in 5 minutes" "Train LRT-KJ arrives in 2 minutes" "Next bus: T201 in 12 minutes" // āŒ BAD "Arrival time: 2025-01-07T14:30:00Z" "ETA: 1736258400000"

Multiple Arrivals

Present multiple arrivals clearly:

"Upcoming arrivals at Komtar: ā€¢ T101 ā†’ Airport: 5 minutes ā€¢ T201 ā†’ Bayan Lepas: 12 minutes ā€¢ T102 ā†’ Gurney: 18 minutes"

Error Handling

Provider Unavailable

try { const arrivals = await tools.get_stop_arrivals({ ... }); } catch (error) { // Check provider status const status = await tools.get_provider_status({ area: "penang" }); if (status.providers[0].status !== "active") { "The transit provider is currently unavailable. Please try again later or check the official transit app." } }

Best Practices

  1. Use location detection when users mention place names

  2. Always specify area for every tool (except list_service_areas and detect_location_area)

  3. Search before details - don't guess IDs

  4. Handle errors gracefully - providers may have temporary outages

  5. Format responses clearly - use minutes, not timestamps

  6. Don't cache real-time data - it updates every 30 seconds

Supported Service Areas

Area ID

Name

Providers

Transit Types

Fare Calculator

klang-valley

Klang Valley

Rapid Rail KL, Rapid Bus KL, MRT Feeder

Bus, Rail

āŒ

penang

Penang

Rapid Penang

Bus

āœ…

kuantan

Kuantan

Rapid Kuantan

Bus

āŒ

ipoh

Ipoh

BAS.MY Ipoh

Bus

āœ…

seremban

Seremban

BAS.MY Seremban

Bus

āœ…

kangar

Kangar

BAS.MY Kangar

Bus

āœ…

alor-setar

Alor Setar

BAS.MY Alor Setar

Bus

āœ…

kota-bharu

Kota Bharu

BAS.MY Kota Bharu

Bus

āœ…

kuala-terengganu

Kuala Terengganu

BAS.MY Kuala Terengganu

Bus

āœ…

melaka

Melaka

BAS.MY Melaka

Bus

āœ…

johor

Johor Bahru

BAS.MY Johor Bahru

Bus

āœ…

kuching

Kuching

BAS.MY Kuching

Bus

āœ…

Location to Area Mapping

The detect_location_area tool automatically maps common locations to service areas:

User Says

Area ID

Ipoh, Bercham, Tanjung Rambutan, Medan Kidd

ipoh

Seremban, Nilai, Port Dickson

seremban

George Town, Butterworth, Bayan Lepas, Penang Sentral

penang

KLCC, Shah Alam, Putrajaya

klang-valley

Kuantan, Pekan, Bandar Indera Mahkota

kuantan

Kangar, Arau, Kuala Perlis, Padang Besar

kangar

Alor Setar, Sungai Petani, Pendang, Jitra

alor-setar

Kota Bharu, Rantau Panjang, Bachok, Machang, Jeli

kota-bharu

Kuala Terengganu, Merang, Marang, Setiu

kuala-terengganu

Melaka, Tampin, Jasin, Masjid Tanah

melaka

Johor Bahru, Iskandar Puteri, Pasir Gudang, Kulai

johor

Kuching, Bau, Serian, Bako, Siniawan, Matang

kuching

Deployment

Deploy to Smithery

This MCP is designed to be deployed to Smithery:

  1. Push to GitHub:

    git push origin main

  2. Smithery will auto-deploy from your GitHub repository

  3. Configure Environment Variables in Smithery:

    • Go to Settings ā†’ Environment

    • Add MIDDLEWARE_URL: Your deployed middleware URL

    • Add GOOGLE_MAPS_API_KEY: Your Google Maps API key (optional)

Environment Configuration

Set these environment variables in Smithery deployment settings:

MIDDLEWARE_URL=https://malaysiatransit.techmavie.digital GOOGLE_MAPS_API_KEY=your_api_key_here

Troubleshooting

Connection Issues

If you can't connect to the middleware:

  1. Verify your MIDDLEWARE_URL is correct

  2. Ensure the middleware is running and accessible

  3. Check network connectivity

  4. Test middleware directly: curl https://your-middleware-url/api/areas

No Data Returned

If tools return empty data:

  1. Check if the service area is operational using get_provider_status

  2. Verify the area ID is correct using list_service_areas

  3. Check middleware logs for errors

Real-time Data Unavailable

Real-time data depends on the upstream GTFS providers:

  1. Use get_provider_status to check provider health

  2. Some providers may have temporary outages

  3. Check the middleware logs for API issues

Location Detection Not Working

If location detection returns incorrect results:

  1. Ensure GOOGLE_MAPS_API_KEY is set in environment variables

  2. Check Google Cloud Console for API quota limits

  3. Verify the API key has Geocoding API enabled

  4. Falls back to Nominatim if Google Maps fails

Requirements

  • Node.js: >= 18.0.0

  • Malaysia Transit Middleware: Running instance (local or deployed)

  • Google Maps API Key: Optional, for enhanced location detection

Project Structure

malaysiatransit-mcp/ ā”œā”€ā”€ src/ ā”‚ ā”œā”€ā”€ index.ts # Main MCP server entry point ā”‚ ā”œā”€ā”€ transit.tools.ts # Transit tool implementations ā”‚ ā”œā”€ā”€ geocoding.utils.ts # Location detection utilities ā”‚ ā”œā”€ā”€ inspector.ts # MCP Inspector entry point ā”‚ ā””ā”€ā”€ server.ts # HTTP server for testing ā”œā”€ā”€ package.json # Project dependencies ā”œā”€ā”€ tsconfig.json # TypeScript configuration ā”œā”€ā”€ smithery.yaml # Smithery configuration ā”œā”€ā”€ .env.sample # Environment variables template ā”œā”€ā”€ README.md # This file ā””ā”€ā”€ LICENSE # MIT License

Related Projects

Contributing

Contributions are welcome! Please feel free to submit pull requests or open issues.

License

MIT - See LICENSE file for details.

Acknowledgments

Made with ā¤ļø by Aliff

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