"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP connectors:
Matching Connector Tools:
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.
Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.
News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.
31 tools: geocoding, weather, FX, SEC, DNS, more. Missing data named, unbilled. $0.001-$0.003/call.
284 public-data tools across 59 domains; freshness varies by source. Free tier.
Visual Crossing Weather MCP — wraps the Visual Crossing Weather Timeline API
Tomorrow.io MCP — wraps the Tomorrow.io Weather API (api.tomorrow.io/v4)
EPA AirNow MCP — official US real-time AQI + forecast (free key)
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
US weather, alerts, earthquakes and elevation for AI agents, from NWS/NOAA and USGS. No API keys.
temperature-random MCP — wraps StupidAPIs (requires X-API-Key)
Where is it sunny? Monthly sunshine scores, temps, rain, UV and sea temp for 3,833 destinations.
Hosted MCP server for solar vitamin D. Six public tools, no account needed: find a city, sun times and golden hour, the synthesis window for a day, the whole year of viable months at a latitude, whether right now is a good moment from live UV, and what a sun session produced. Four more read a signed-in user profile, cities and sun history over OAuth 2.1. Built on NOAA solar geometry, a Madronich clear-sky UV model with ozone, MED by Fitzpatrick skin type, and live Open-Meteo data.
Pirate Weather forecast API (Dark Sky-compatible). Free key required.
Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.
Vanlife & RV travel data. Fuel, weather, currency, events, news. https://openvan.camp/en/developers
7 day surf forecasts (wave, wind, period) for any coordinate or named surf spot.