Sg Data

Real-time Singapore government data and ACRA company intelligence 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 13 real-time tools covering Singapore government data from data.gov.sg and ACRA company records. No API keys required for free tier.

Available Tools

Weather and Environment

Tool	Description	Source
sg_weather_2h	2-hour forecast by area	NEA
sg_weather_24h	24-hour outlook with temp/humidity/wind	NEA
sg_weather_4day	4-day forecast with daily conditions	NEA
sg_uv_index	Real-time UV exposure readings	NEA
sg_air_quality	PSI and PM2.5 by region	NEA
sg_rainfall	Live rainfall from 50+ stations	NEA
sg_dengue_clusters	Active dengue cluster locations and case counts	NEA

Transport

Tool	Description	Source
sg_carpark_availability	Live HDB carpark lot availability	HDB
sg_taxi_availability	Real-time taxi count and locations	LTA

ACRA Company Intelligence

Tool	Description	Source
sg_company_search	Search companies by name - returns UEN, type, status, address	ACRA
sg_company_uen	Look up company by UEN number	ACRA
sg_company_verify	Verify if a company exists and is active	ACRA
sg_registered_entities_count	Total count of all ACRA-registered entities	ACRA

Quick Start

Connect via Streamable HTTP

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

Use in Claude Desktop

Add to your claude_desktop_config.json:

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

Example: Search Companies

curl https://sg-data-mcp.sgdata.workers.dev/mcp -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","method":"tools/call","id":1,"params":{"name":"sg_company_search","arguments":{"query":"DBS"}}}'

Example: Check Rainfall

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

Tech Stack

• Runtime: Cloudflare Workers (edge, near-zero cold start)
• Protocol: MCP over Streamable HTTP (JSON-RPC 2.0)
• Data: data.gov.sg public APIs and ACRA open datasets
• Cost: Free tier available

Roadmap

• Malaysia SSM company registry
• Indonesia AHU company registry
• Bus/MRT arrival times (LTA DataMall)
• URA property transaction data
• OneMap geocoding
• API key gating for premium tier
• Stripe MPP integration for agent-to-agent payments

Author

Dinesh Kumar - Singapore - [email protected]

License

MIT