Terranode Geospatial API

Local MCP server that gives an assistant tools to run US geospatial queries — point-in-polygon, nearest feature, distance and spatial joins — through the Terran

What you can do

List available geospatial datasets, both system and custom ones, so the assistant knows what it can query against. Look up which feature contains a coordinate (point-in-polygon), such as the county, state or ZIP code for a latitude and longitude. Find the nearest features to a coordinate with distances, and compute geodesic distance between two points in meters and miles. Enrich several coordinates at once with polygon attributes through a spatial join.

When to use it

Useful when you want an assistant to answer location questions about US data — which county, state or ZIP code a point falls in, what is nearby, how far apart two places are, or tagging a batch of coordinates with region attributes — without writing API calls yourself.

Requirements

Runs locally via npx, so Node.js 18 or newer is needed. A Terranode API key is required, supplied in the TERRANODE_API_KEY environment variable; the key is obtained by signing up at the provider's app site. Network access to the Terranode API is needed, and the base URL can be overridden with TERRANODE_API_URL.