Weather

Forecast, air quality, sea state and what the weather actually was

Or just ask — the weather agent calls these for you:Do I need a coat today?Weather in Lisbon this week Will it rain tomorrow?Where I am, hour by hour

Calling it

Metered methods answer an unauthenticated call with 402 and an x402 challenge — pay it and the same request succeeds, with no account at all. A token works too.

curl -H "Authorization: Bearer $MU_TOKEN" \
  https://mu-mcp.yvangodard.me/api/v1/weather/list

How every call behaves →

Methods

GET /api/v1/weather/air

Air quality at a location right now — AQI, PM2.5, PM10, ozone, nitrogen dioxide, UV index, and pollen where it is counted

Argument	Type	Description
`lat` *	number	Latitude of the location
`lon` *	number	Longitude of the location

curl \
  "https://mu-mcp.yvangodard.me/api/v1/weather/air?lat=1.5&lon=1.5"

lat *lon *

1 creditGET /api/v1/weather/forecast

Get the weather forecast for a location — current conditions and the days ahead

Draws 1 credit per call, or accepts payment.

Argument	Type	Description
`lat` *	number	Latitude of the location
`lon` *	number	Longitude of the location

curl \
  -H "Authorization: Bearer $MU_TOKEN" \
  "https://mu-mcp.yvangodard.me/api/v1/weather/forecast?lat=1.5&lon=1.5"

lat *lon *

Costs 1 credit

GET /api/v1/weather/history

What the weather actually was at a location between two dates — average high and low, total rainfall and the extremes. Records run a few days behind today

Argument	Type	Description
`lat` *	number	Latitude of the location
`lon` *	number	Longitude of the location
`start` *	string	First day, as 2025-08-01
`end` *	string	Last day, as 2025-08-31

curl \
  "https://mu-mcp.yvangodard.me/api/v1/weather/history?lat=1.5&lon=1.5&start=start&end=end"

lat *lon *start *end *

GET /api/v1/weather/marine

Sea state at a coastal or offshore point — wave height, period and direction now and for the days ahead, with sea temperature

Argument	Type	Description
`lat` *	number	Latitude of a coastal or offshore point
`lon` *	number	Longitude of a coastal or offshore point
`days`	number	How many days ahead, 1 to 7 — default 3

curl \
  "https://mu-mcp.yvangodard.me/api/v1/weather/marine?lat=1.5&lon=1.5"

lat *lon *days

The same methods are tools over MCP, and every service on this instance is in one reference. Same method, same answer, same price.