Opentopodata

live GeographyEnvironment

Open Topo Data — query terrain elevation at any lat/lon coordinates using multiple digital elevation model (DEM) datasets.

2 tools
0ms auth
free tier 50 calls/day

Tools

elevation

Elevation at points. Up to 100 locations per request.

No parameters required.

▶ Try it
datasets

List available DEM datasets.

No parameters required.

▶ Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/opentopodata/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/opentopodata/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"elevation","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("elevation", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("open topo data — query terrain elevation at any lat/lon coordinates using multiple digital elevation model (dem) datasets");