"An open-source backend-as-a-service platform for developers" matching MCP connectors:

Location & routing intelligence for AI agents — geocoding, truck routing, traffic, weather, and place search.

Read any page or file as clean text, plus live news, weather, market holidays and timezone lookups for agents. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Agent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing.

20 live tools for KAZM 106.5 FM & 780 AM in Sedona, AZ — now playing, song requests, weather, fire restrictions, road conditions, concerts, emergency alerts, local news, air quality, and more. Streamable HTTP, no auth required.

Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.

NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries.

Sailing passage planner for any coast, with high-precision tides on the French Atlantic.

284 public-data tools across 59 domains; freshness varies by source. Free tier.

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

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.

Financial data for AI agents: crypto data, Polymarket odds, weather/oil calibration, trust scoring.

Real-time fuel prices, active alerts (traffic, wildfires, severe weather, earthquakes), per-country data coverage, and cheapest gas stations by city, aggregated from official public sources across 38+ countries. Read-only, no auth required for the free tier.

Educational Weather Stats MCP Service — Tollbooth DPYC monetization sample

Finnish Meteorological Institute open data (forecast, observations, warnings)

Global weather via Open-Meteo: forecast, ERA5 archive, marine, air quality, geocoding, elevation.

Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs

US weather, alerts, earthquakes and elevation for AI agents, from NWS/NOAA and USGS. No API keys.

Where is it sunny? Monthly sunshine scores, temps, rain, UV and sea temp for 3,833 destinations.

Flood, wildfire, earthquake, and coastal-storm hazard lookup for a US property.