Gahmen MCP Server

MCP (Model Context Protocol) server for Singapore's data.gov.sg APIs, providing easy access to government datasets and collections.

Features

• Access to data.gov.sg collections and datasets
• Search within datasets using CKAN datastore API
• Dataset download functionality with filtering support
• Built-in rate limiting to respect API quotas (5 requests per minute)

Available Tools

Collections

• list_collections - List all collections on data.gov.sg
• get_collection - Get metadata for a specific collection

Datasets

• list_datasets - List all datasets on data.gov.sg
• get_dataset_metadata - Get metadata for a specific dataset
• search_dataset - Search for data within a dataset using CKAN datastore
• initiate_download - Start downloading a dataset with optional filtering
• poll_download - Check download status and get download URL

Installation

npm install

Development

npx @smithery/cli dev

Build

npx @smithery/cli build

Usage Examples

Search a Dataset

// Search population data
search_dataset({
  resource_id: "d_8b84c4ee58e3cfc0ece0d773c8ca6abc",
  q: { "year": "2023" },
  limit: 10
})

Get Collection with Datasets

// Get collection 522 with all dataset metadata
get_collection({
  collectionId: "522",
  withDatasetMetadata: true
})

API Rate Limits

The server implements automatic rate limiting:

• Maximum 5 requests per minute
• 12-second minimum interval between requests

No Authentication Required

data.gov.sg APIs are public and don't require authentication.

License

MIT