windy-mcp — Remote MCP for sailing forecasts

Endpoint: POST /mcp?key=WINDY_KEY&worldtidesKey=WORLDTIDES_KEY
All key params are optional — each tool only needs the key it actually uses.
Tools: sailing_forecast, point_forecast (Windy)
       sailing_forecast_openmeteo (Open-Meteo, free)
       tides_rws (Rijkswaterstaat NL, free)
       tides_worldtides (WorldTides, global, key required)
       list_models

Health: GET /healthz