"Tools and methods for plotting graphs without an API key" 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.
UK and US government travel advice for a country, plus live delays and weather at an airport.
Smarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery.
15 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.
Onboard to Smarter Weather from your agent: plans, docs, sign-up, API keys, MCP config, billing.
Star Ninja reports sky darkness, cloud cover and moonless hours for a night-sky spot you name.
Germany's open mobility data: Autobahn traffic, DB trains, local transit, fuel, EV charging, parking and DWD warnings.
US NWS weather alerts and 5-day forecasts for AI agents. $0.01 per call.
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.
Live flight search for Russia: baggage, layovers, refunds, booking links, prices, visas, weather.
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.
166 pay-per-call APIs for AI agents: market, company, dev + verification tools — x402 on Solana.
Aviation and space data: METAR/TAF, airports, space weather, aurora, asteroids, satellite passes.
Country travel risk, government advisories, disaster and conflict alerts, flights, airports, Wi-Fi.
Free live public-safety incident map: global crime, fire, disaster, weather and news feeds
Elevation-corrected sun, moon, twilight, solar and tide data for any point on Earth
