"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Climate and disaster risk for any place or property: flood risk, heat waves, storms and hurricanes, wildfires, earthquakes, sea level rise and 7-day weather risk. Is it safe to go there? Ask about any city, address or coordinates and get this week's weather risk (heat, cold, wind, heavy rain, snow), wildfires, earthquakes, floods and cyclones happening nearby right now, long-term exposure to 2050 and 2080 (flood depth, sea level rise, extreme heat, drought, water stress) and the country's disaster-risk profile and rank among 194 countries. Also compares and ranks countries by risk for ESG and insurance research, and in Claude and other MCP Apps hosts shows an interactive map of the place right in the chat. Every value cites its source: INFORM, ND-GAIN, World Bank, CMIP6, ERA5, IPCC AR6, WRI Aqueduct, GDACS, NASA FIRMS, OpenAQ, ECCC GDPS. Remote, free, no API key, read-only.
Forecasts, official weather alerts, air quality, 20 years of history, and PV and wind production, via the Meteosource API. Hosted, with your own API key.
Onboard to Smarter Weather from your agent: plans, docs, sign-up, API keys, MCP config, billing.
Vanlife & RV data: roadbooks, fuel, tolls, visas, holidays, hazards, weather, currency. openvan.camp
Kamchatka, Russia travel: tours, hotels, transfers, volcano status, safety, booking requests
10 pay-per-call tools for AI agents: weather forecasts, time zones, sunrise and moon phase, earthquakes, country facts and other everyday lookups. Paid per call in USDC via x402; no API key.
Storm history by address since 2003, recent storm leads, model-based weather and storm forecasts.
Current outdoor health risks and 48-hour hourly / 8-day daily forecasts by latitude and longitude: sunburn, heat illness, air quality, altitude, frostbite, hypothermia, and lightning. Free, no API key or auth; 1,000 calls/day shared across all users and 10 calls/minute per user. Known issue: daily slot labels appear to use standard time, so during daylight saving time a 6am slot is actually 7am local.
Country travel risk, government advisories, disaster and conflict alerts, flights, airports, Wi-Fi.
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.
Location intelligence — geocoding & reverse geocoding (OpenStreetMap), weather forecasts (Open-Meteo), timezone lookup, and Point of Interest search (restaurants, hotels, hospitals, 20+ types).
METARs, TAFs, PIREPs, domestic/international SIGMETs and CWAs via NWS AWC. AIRMETs not served.
Historical PM2.5 and Clean Air Score for US cities; copied records name their source city.
Live snow reports, SNOTEL measurements, webcams and powder rankings for 150 ski resorts.
What did Japan's weather agency forecast, as issued at a past time? Archive of JMA bulletins.
Sunrise, sunset, twilight, golden hour and moon times for any place on Earth. Free, no API key.
Kalshi weather markets: daily-high board beside the NWS forecast, live edges, EV, Kelly, base rates.
Ranked directory and routing MCP for water, environmental, geo and civil-engineering data. Search 2,000+ data sources, MCPs and tools, and call EA flood, rainfall, NRFA and USGS data through one endpoint.
Free snow reports, forecasts and season history for ~400 US and Canada ski resorts, with citations.
Japan JMA warnings, typhoons, volcano levels and municipality code history in English; x402 checks
