Open-Meteo
live WeatherClimateGlobal weather forecast + ERA5 historical reanalysis + air quality + marine + flood. Keyless (fair-use).
6 tools
0ms auth
free tier 50 calls/day
Tools
forecast
required: latitude, longitude Up to 16-day forecast.
Parameters
Name Type Description
latitude req number — longitude req number — hourly opt string — daily opt string — forecast_days opt number 1-16 past_days opt number — timezone opt string — temperature_unit opt string — wind_speed_unit opt string — Try it
Response
historical
required: latitude, longitude, start_date, end_date ERA5 reanalysis 1940-present.
Parameters
Name Type Description
latitude req number — longitude req number — start_date req string — end_date req string — hourly opt string — daily opt string — timezone opt string — Try it
Response
geocode
required: name Resolve a place name to coordinates.
Parameters
Name Type Description
name req string — count opt number — language opt string — Try it
Response
air_quality
required: latitude, longitude PM2.5, PM10, ozone, NO2, AQI.
Parameters
Name Type Description
latitude req number — longitude req number — hourly opt string — forecast_days opt number — Try it
Response
marine
required: latitude, longitude Wave height + period + direction.
Parameters
Name Type Description
latitude req number — longitude req number — hourly opt string — forecast_days opt number — Try it
Response
flood
required: latitude, longitude Daily river discharge forecast (GloFAS).
Parameters
Name Type Description
latitude req number — longitude req number — daily opt string — forecast_days opt number — Try it
Response
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/open-meteo/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/open-meteo/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"forecast","arguments":{"latitude": 37.7749, "longitude": -122.4194}}}'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("forecast", {"latitude":"example","longitude":"example"}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("global weather forecast + era5 historical reanalysis + air quality + marine + flood");