Every server in the registry, with its latest security score.
OpenF1 MCP — real-time & historical Formula 1 data.
OpenFDA MCP — wraps the openFDA API (free, no auth required)
OpenFEMA MCP — US Federal Emergency Management Agency open data.
OpenFIGI — Bloomberg open financial-instrument symbology service
Open Food Facts — collaborative food product database
OpenHolidays MCP.
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
OpenLigaDB MCP — community-run, keyless football / soccer match data.
OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada
Routing, isochrones, matrix, snap, elevation, geocode via Openrouteservice.
OpenSea MCP — NFT marketplace data (v2 API)
openSenseMap MCP — citizen-science environmental sensor network (opensensemap.org)
OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
OpenStates MCP — bills, legislators, votes in all 50 US states
Open Targets MCP — disease/target/drug knowledge graph.
Open Topo Data — global elevation lookups (multiple DEM datasets)
OpenTopography global DEM rasters + point queries (free key)
Open Tree of Life MCP.
Openverse Creative-Commons image + audio search
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
OQMD (Open Quantum Materials Database) MCP.
ORCID public researcher records (works, employment, education)
OSF (Open Science Framework, by the Center for Open Science) MCP.
OSHA MCP — US workplace-safety standards (29 CFR Chapter XVII, parts 1900–1990).
OSRM MCP — routing via the public demo server
9,801–9,825 of 20,289 servers