"Free APIs and services without commercial fees" matching MCP connectors:

Smarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery.

AI-native parametric insurance infrastructure. Assess weather risk, generate quotes, bind policies, and monitor triggers programmatically. Live paid endpoint via x402 (USDC on Solana).

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

Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.

Global hurricane and tropical cyclone tracks from IBTrACS/NOAA, 1842-present. Wind and pressure.

Japan, Korea and UK official data for AI agents: filings, FX, weather, travel, patents, AI tools.

IPMA Portugal MCP — weather, UV, sea state, and earthquakes from the

Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.

257 tools across 56 US public-data domains: sanctions, FMCSA, SEC, courts, energy. Free tier.

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

Fetch METARs, TAFs, PIREPs, and SIGMETs/AIRMETs from the NWS Aviation Weather Center.

Search Australian campsites, caravan parks and free camps; weather, gear, road trips and booking.

Search 184,900 swim spots, conditions, water activities, providers and guides worldwide.

NOAA tides and currents: water levels, tide predictions, currents, met data, flooding, sun and moon

Real-time surf, weather, trail status, volcano, ocean safety, and restaurants for Hawaii.

Get US weather forecasts, active alerts, and current observations.

Surf trip planner: live 0-100 Strike Scores, 10-day forecasts, and trip picks for 1,100+ spots.

Plan your perfect day out anywhere: itineraries and neighbourhood guides, tuned to mood and weather.

Search NOAA climate stations and datasets, fetch historical weather observations.

Discover Norwegian experiences & activities by county, category, weather, season and price.