SG Data MCP

Real-time Singapore government data for AI agents via the Model Context Protocol (MCP).

Live endpoint: https://sg-data-mcp.sgdata.workers.dev/mcp

What This Does

This MCP server gives any AI agent instant access to real-time Singapore government data from data.gov.sg. No API keys required. No rate limits. Free and open.

Available Tools

Tool	Description	Data Source
sg_weather_forecast	2-hour weather forecast by area	NEA
sg_weather_24h	24-hour weather outlook with temperature, humidity, wind	NEA
sg_air_quality	Real-time PSI and PM2.5 readings by region	NEA
sg_carpark_availability	Live HDB carpark lot availability across Singapore	HDB
sg_taxi_availability	Real-time count and locations of available taxis	LTA

Quick Start

Connect via Streamable HTTP

Endpoint: https://sg-data-mcp.sgdata.workers.dev/mcp
Method: POST
Content-Type: application/json

Example: List Tools

curl https://sg-data-mcp.sgdata.workers.dev/mcp \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"tools/list","id":1}'

Example: Get Weather

curl https://sg-data-mcp.sgdata.workers.dev/mcp \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"tools/call","id":2,"params":{"name":"sg_weather_24h","arguments":{}}}'

Use in Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "sg-data": {
      "url": "https://sg-data-mcp.sgdata.workers.dev/mcp"
    }
  }
}

Tech Stack

• Runtime: Cloudflare Workers (edge deployment, ~0ms cold start)
• Protocol: MCP over Streamable HTTP (JSON-RPC 2.0)
• Data source: data.gov.sg public APIs
• Cost: $0 (Cloudflare free tier)

Roadmap

• [ ] ACRA company lookup and verification
• [ ] Bus/MRT arrival times
• [ ] Dengue cluster locations
• [ ] URA property transaction data
• [ ] MOM foreign worker levy rates
• [ ] OneMap geocoding and routing
• [ ] SGX market data

Author

Dinesh Kumar — Singapore

• hello@levylens.co
• GitHub

License

MIT