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Terrain and routes

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Elevation, profile and contour lines

Elevation of points, a profile along a path, or a DEM, hillshade, slope and contour lines for an area, worldwide at 30 m.

RESTPOST https://mcp.terra-lab.ai/v1/tools/get_elevation
MCP toolget_elevation on https://mcp.terra-lab.ai/mcp
GroupTerrain and routes

Request

curl -X POST https://mcp.terra-lab.ai/v1/tools/get_elevation \
  -H "Authorization: Bearer $TERRALAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"mode":"point","points":["Annecy, France"]}'
import os
import requests

response = requests.post(
    "https://mcp.terra-lab.ai/v1/tools/get_elevation",
    headers={"Authorization": f"Bearer {os.environ['TERRALAB_API_KEY']}"},
    json={
        "mode": "point",
        "points": ["Annecy, France"],
    },
    timeout=120,
)
response.raise_for_status()
print(response.json()["structuredContent"])
const response = await fetch('https://mcp.terra-lab.ai/v1/tools/get_elevation', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.TERRALAB_API_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "mode": "point",
    "points": [
      "Annecy, France"
    ]
  }),
});
const data = await response.json();
console.log(data.structuredContent);

Other valid request bodies:

{"mode":"path","points":["Chamonix, France",{"latitude":45.8786,"longitude":6.8873,"name":"Aiguille du Midi"}]}
{"mode":"area","area":{"place":"Chamonix, France","radius_m":2000},"interval_m":50}

Parameters

A JSON object in the request body; in an MCP client, the arguments of the tool call.

NameTypeRequiredDescription
modestringNopoint: elevation of each point; path: profile along the points; area: DEM, hillshade and slope GeoTIFFs, plus contour lines and slope statistics for small areas. One of "point", "path", "area". Default "point".
pointsarray of string or objectNoFor point and path: points or place names. The place the user asks about, not the user's own location. 1 to 100 items.
samplesintegerNoFor path: number of samples along the path. From 10 to 500. Default 200.
areaobjectNoFor area: The area: a bbox, or a place (name, address or coordinates) with an optional radius in metres. The place the user asks about, not the user's own location.
area.bboxarray of numberNo[west, south, east, north] in decimal degrees (WGS 84). Exactly 4 items.
area.placestring or objectNoA place name or address, or a point.
area.radius_mnumberNoRadius around the place in metres. From 1 to 100000.
interval_mnumberNoFor area: vertical interval between contour lines, in metres. From 1 to 1000. Default 20.

Response

structuredContent holds the result, content the same result as text for a model, and isError is true when the tool refused the request or failed; then structuredContent.code, message and hint say what to change.

{
  "structuredContent": {
    "sources": [{ "name": "...", "licence": "...", "url": "..." }],
    "downloads": [{ "label": "...", "format": "...", "url": "...", "name": "..." }]
  },
  "content": [{ "type": "text", "text": "..." }],
  "isError": false
}

Every result lists its sources with their licence. File results come as downloads: each link builds its file when opened.

Errors

A missing key answers 401, an empty balance 402, too many calls 429. A call that fails or finds nothing is not counted. See Errors and rate limits.

Description for agents

The text the server gives an agent to decide when to call this tool:

Use this when the user asks how high a place is (altitude, height above sea level), wants an elevation profile or the climb between places (a hike, a ride or a road up a mountain: elevation gain and loss, highest and lowest points, cross-section), or asks about the terrain of an area, anywhere in the world: a DEM, relief or hillshade GIS file, contour lines (topographic lines) and how steep or flat it is (slope). Place names work directly, for example a town and a summit. Reads the values from Copernicus DEM, a 30 m surface model of the whole world, and returns the numbers, a profile chart, the path or contours on a map and files. mode "point": up to 100 points. mode "path": 2 or more points, sampled into at most 500 samples. mode "area": a bbox, a place or a place with a radius, of any size: returns the DEM clipped to the area as a GeoTIFF (30 m, coarser for very large areas), a hillshade GeoTIFF and a slope GeoTIFF, which open directly in QGIS; for areas up to about 10 x 10 km it also returns contour lines (interval_m between lines; Shapefile, GeoJSON, KML) and slope statistics, so one call answers how steep a site is. Not for routes or travel times. Needs a place, coordinates or an area: to explain what a DEM, a DSM or contour lines are, answer without this tool. Never use the user's current location unless they type it. Give the place as the user names it (place name, address or coordinates): this tool locates it, so find_places is not needed first. Download links build their file when opened; no file is saved. Never pass these links to open_gis_file.

Explained on the blogFree DEM Download: SRTM, Copernicus and LiDAR in QGIS

Updated 2026-10-27