"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

Agent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing.

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

Vanlife & RV travel data. Fuel, weather, currency, events, news. https://openvan.camp/en/developers

US weather, alerts, earthquakes and elevation for AI agents, from NWS/NOAA and USGS. No API keys.

7 day surf forecasts (wave, wind, period) for any coordinate or named surf spot.

One key for 284 tools across 59 US public-data domains. Resale-safe government and open data.

Weather, climate, terrain, fire and flood risk data for any point or polygon on Earth. Free tier.

64 x402 tools: cheap LLM $0.002, web+news search, French residential-IP scraping, FR/UK/US data.

Weather data, forecast API, climate data, historical weather, alerts, agricultural & travel weather.

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

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

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

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.

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

EPW/DDY weather files - TMY/AMY/CMIP6 morphing, UHI, events, smoke. 3 of 4 tools anon-free.

Tomorrow.io MCP — wraps the Tomorrow.io Weather API (api.tomorrow.io/v4)

Visual Crossing Weather MCP — wraps the Visual Crossing Weather Timeline API

Limone Piemonte travel guide: hotels, dining, wine, village content, and live snow via MCP.

temperature-random MCP — wraps StupidAPIs (requires X-API-Key)

OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)