"dev.to" matching MCP connectors:

Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 67 data types.

Forecasts, climate history, severe alerts by location — for outdoor-event planners.

Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.

Free, keyless real-time weather and 7-day forecasts for any city worldwide.

Official Japanese weather forecasts, warnings, and earthquake data from the Japan Meteorological Agency (JMA). No API key needed for basic use.

17+ Japan MCP tools (weather/calendar v2/local-pack/enrich). x402 on Base, wallet-free trial.

Weather forecast accuracy ledger