Browse 2,860 Model Context Protocol servers · Data & DatabasesClear
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
World Bank MCP — wraps the World Bank Data API v2 (free, no auth)
World Bank Climate Change Knowledge Portal (CCKP) MCP.
World Bank Poverty and Inequality Platform (PIP) MCP.
World Bank Projects & Operations MCP.
WoRMS (World Register of Marine Species) MCP — keyless.
Wynncraft MMO player + guild + leaderboard + item DB lookups.
YGOPRODeck MCP — Yu-Gi-Oh! trading card game (TCG) database.
Zenodo (CERN) open research data repository
First MCP for the European hemp & CBD market: real French CBD catalogue, producers, FR/EN wiki
PGIQ Rating as agent tools for siting large electricity loads across 67 power markets.
MCP server for ClinicalTrials.gov, PubMed, FDA drug labels, FAERS, and ICH guidelines.
Google Trends MCP server: interest over time, comparisons, related queries, trending searches
Jungle Scout MCP server: keyword volumes, product database, sales estimates, share of voice