"Popular MCP tools commonly used by programmers" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
NOAA weather for AI agents: conditions, forecasts, observed history. 3 tools, free, no key.
Weather forecast for any city, UV index, sunrise and sunset, pollen and air quality. Free, no key.
Read Weatherbit forecasts, weather history, air quality, agriculture, energy, and API usage.
18 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.
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.
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.
UK and US government travel advice for a country, plus live delays and weather at an airport.
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.
180 pay-per-call APIs for AI agents: market, company, weather and dev tools, x402 on Solana.
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.
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.
Authoritative time intelligence — current time in 597 timezones, sunrise/sunset/twilight times by location (US Naval Observatory), and moon phase calendar. Essential for scientific, agricultural, and scheduling agents.
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.
Norwegian experiences marketplace MCP: activities by county, category, weather, season, group size.
Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 67 data types.
No-key live data for agents: FX, macro, weather, research, dev tools, task bundles, history
Forecasts, severe-weather alerts, air quality, 20-year weather history, solar and wind production.
News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.
Host any HTTP API as MCP tools with a tamper-evident cross-agent settlement ledger.
