MCP Catalog
Browse 1,540 Model Context Protocol servers · Data & Databases · MIT LicenseClear
UNICEF Data (UN Children's Fund) MCP — global statistics on child health,
UniProt MCP — protein sequence + function database.
Universities MCP — Hipolabs Universities API (free, no auth)
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
US ISO Grid MCP — real-time electricity generation, fuel mix, demand,
USAspending MCP — Federal spending data from USAspending.gov API
USDA Food Data Central MCP
USGS Earthquake Catalog MCP (FDSNWS event API).
USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)
USGS Water Services (NWIS) MCP.
Victoria and Albert Museum (V&A) Collections MCP.
EU VIES VAT-number validation MCP (European Commission).
Visual Crossing Weather MCP — wraps the Visual Crossing Weather Timeline API
CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)
Walk Score MCP — wraps the Walk Score API (walkscore.com)
WAQI MCP — World Air Quality Index (free key)
Real-time weather conditions and multi-day forecasts via Open-Meteo — free, no API key required
Environment and Climate Change Canada (ECCC) GeoMet MCP.
WeatherAPI.com MCP — wraps WeatherAPI.com (api.weatherapi.com)
what3words MCP — 3-word grid geocoding
WHO GHO MCP — World Health Organization Global Health Observatory (free, no auth)
WikiPathways MCP — open community pathway database.
Washington Metro real-time + static rail/bus data. Free key required.
Wolfram Alpha MCP — computational, factual, and quantitative queries