Environment

Data source: Open-Meteo, NWS

MCP MCP Protocol

Endpoint https://context.gnist.ai/mcp/open-meteo/

nobloat — strip report_feedback tool URL-based auth (for clients without header support)

claude_desktop_config.json

{
  "mcpServers": {
    "gnist-open-meteo": {
      "url": "https://context.gnist.ai/mcp/open-meteo/",
      "headers": {
        "Gnist-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Shell

curl -X POST "https://context.gnist.ai/mcp/open-meteo/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "geocode_location", "arguments": {"name": "example"}}}'

API REST API

API Root https://context.gnist.ai/rest/open-meteo/

8 endpoints available:

GET /rest/open-meteo/geocode_location
GET /rest/open-meteo/get_current_weather
GET /rest/open-meteo/get_weather_forecast
GET /rest/open-meteo/get_alerts
GET /rest/open-meteo/get_historical_weather
GET /rest/open-meteo/get_air_quality
GET /rest/open-meteo/get_marine_forecast
GET /rest/open-meteo/report_feedback

Shell

curl "https://context.gnist.ai/rest/open-meteo/geocode_location?name=example" \
  -H "Gnist-API-Key: YOUR_API_KEY"

Python

import httpx

resp = httpx.get(
    "https://context.gnist.ai/rest/open-meteo/geocode_location",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    params={
        "name": "example"
},
)
print(resp.json())

OpenAPI Spec · Full API Docs

CLI Command Line

Command gc open-meteo

CLI documentation will be available when the GnistAI SDK is published.

Install

pip install gnistai

Available Tools (8)

geocode_location

Search for a city or place name and return matching coordinates.

Parameter	Type	Required	Description
`name`	`string`	required	City or place name to search for (e.g. "Oslo", "New York", "Tokyo").
`count`	`integer`	optional	Maximum number of results to return (1-100). Default 5. (default: 5)
`language`	`string`	optional	Response language as ISO 639-1 code (e.g. 'en', 'de', 'fr'). Default 'en'. (default: "en")

get_current_weather

Get current weather conditions at a location.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the location (-90 to 90).
`lon`	`number`	required	Longitude of the location (-180 to 180).
`units`	`string`	optional	Unit system: "metric" (C, m/s, mm) or "imperial" (F, mph, inch). (default: "metric")

get_weather_forecast

Get hourly weather forecast for a location.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the location (-90 to 90).
`lon`	`number`	required	Longitude of the location (-180 to 180).
`hours`	`integer`	optional	Number of hours to forecast (1-168, default 24). (default: 24)
`units`	`string`	optional	Unit system: "metric" (C, m/s, mm) or "imperial" (F, mph, inch). (default: "metric")

get_alerts

Get active severe weather alerts for a location.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the location (-90 to 90).
`lon`	`number`	required	Longitude of the location (-180 to 180).

get_historical_weather

Get historical weather data for a location and date range.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the location (-90 to 90).
`lon`	`number`	required	Longitude of the location (-180 to 180).
`start_date`	`string`	required	Start of the date range, format YYYY-MM-DD (earliest: 1940-01-01).
`end_date`	`string`	required	End of the date range, format YYYY-MM-DD (latest: ~5 days ago).
`units`	`string`	optional	Unit system: "metric" (C, m/s, mm) or "imperial" (F, mph, inch). (default: "metric")

get_air_quality

Get air quality forecast for a location.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the location (-90 to 90).
`lon`	`number`	required	Longitude of the location (-180 to 180).
`hours`	`integer`	optional	Number of hours to forecast (1-120, default 24). (default: 24)

get_marine_forecast

Get marine/ocean forecast for a coastal location.

Parameter	Type	Required	Description
`lat`	`number`	required	Latitude of the coastal location (-90 to 90).
`lon`	`number`	required	Longitude of the coastal location (-180 to 180).
`hours`	`integer`	optional	Number of hours to forecast (1-168, default 24). (default: 24)

report_feedback

Report a bug, feature request, or general feedback for this data source.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

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Open-Meteo (Weather)

MCP MCP Protocol

API REST API

CLI Command Line

Available Tools (8)

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