MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.
Openfigi
OpenFIGI — Bloomberg open financial-instrument symbology service
Openfoodfacts
Open Food Facts — collaborative food product database
Openiban
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
Openligadb
OpenLigaDB MCP — community-run, keyless football / soccer match data.
Openparliament Ca
OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada
Openreview
OpenReview MCP — ML conference submissions and reviews (API v2)
Openrouteservice
Routing, isochrones, matrix, snap, elevation, geocode via Openrouteservice.
Opensensemap
openSenseMap MCP — citizen-science environmental sensor network (opensensemap.org)
Opensky
OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
Openstates
OpenStates MCP — bills, legislators, votes in all 50 US states
Opentargets
Open Targets MCP — disease/target/drug knowledge graph.
Opentopodata
Open Topo Data — global elevation lookups (multiple DEM datasets)
Opentopography
OpenTopography global DEM rasters + point queries (free key)
Openweather
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
Oregon DMV
Oregon DMV: live field-office wait times and office directory for all 60 offices
Orcid
ORCID public researcher records (works, employment, education)
Osf
OSF (Open Science Framework, by the Center for Open Science) MCP.
Osha
OSHA MCP — US workplace-safety standards (29 CFR Chapter XVII, parts 1900–1990).
Osv Dev
OSV.dev — Google's open-source vulnerability database
Overheid Nl
data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).