MCP Catalog

Opendata CanadaOfficial

open.canada.ca — Canada national open-data catalogue (CKAN)

Opendata SwissOfficial

opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).

OpendatasoftOfficial

Generic Opendatasoft portal client (3000+ public OpenDataSoft instances)

Opendosm MyOfficial

data.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.

OpenfdaOfficial

OpenFDA MCP — wraps the openFDA API (free, no auth required)

OpenfemaOfficial

OpenFEMA MCP — US Federal Emergency Management Agency open data.

OpenfigiOfficial

OpenFIGI — Bloomberg open financial-instrument symbology service

OpenfoodfactsOfficial

Open Food Facts — collaborative food product database

OpenligadbOfficial

OpenLigaDB MCP — community-run, keyless football / soccer match data.

OpenskyOfficial

OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)

OpenstatesOfficial

OpenStates MCP — bills, legislators, votes in all 50 US states

OpentargetsOfficial

Open Targets disease/target/drug knowledge graph (GraphQL)

OpentopodataOfficial

Open Topo Data — global elevation lookups (multiple DEM datasets)

OpentopographyOfficial

OpenTopography global DEM rasters + point queries (free key)

OpentreeoflifeOfficial

Open Tree of Life MCP.

OpenweatherOfficial

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

OqmdOfficial

OQMD (Open Quantum Materials Database) MCP.

OrcidOfficial

ORCID public researcher records (works, employment, education)

OsfOfficial

OSF (Open Science Framework, by the Center for Open Science) MCP.

OsrmOfficial

OSRM MCP — routing via the public demo server

Overheid NlOfficial

data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).

OverpassOfficial

OpenStreetMap Overpass MCP — programmatic queries against the OSM database

OwidOfficial

OWID MCP — Our World in Data chart/indicator access (free, no auth)

PaleobiodbOfficial

Paleobiology Database (PBDB) MCP — the global fossil record. Keyless.