MCP servers (19786)
Opencages
OpenCage MCP.
Opencellid
OpenCellID MCP — cell tower geolocation database (free with key)
Openchargemap
Open Charge Map MCP — global EV charging station database (openchargemap.io).
Opencitations
OpenCitations MCP — citation index (COCI + general Index API).
Opencollective
Open Collective public MCP.
Opendata Swiss
opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).
Opendatasoft
Opendatasoft (generic portal) MCP.
Opendosm My
data.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.
Opendota
OpenDota MCP — Dota 2 open stats.
Openei Urdb
OpenEI Utility Rate Database (URDB) MCP
Openf1
OpenF1 MCP — real-time & historical Formula 1 data.
Openfda
FDA drug data via openFDA: adverse-event reports and safety-signal tools (FAERS search, event…
Openfema
OpenFEMA MCP — US Federal Emergency Management Agency open data.
Openfoodfacts
Open Food Facts MCP.
Openholidays
OpenHolidays MCP.
Openiban
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
Openings
Search jobs on verified employer job boards. Every link is the employer's own posting.
Openligadb
OpenLigaDB MCP — community-run, keyless football / soccer match data.
Openreview
OpenReview MCP — ML conference submissions and reviews (API v2)
Openrouter
OpenRouter Models MCP.
Opensea
OpenSea MCP — NFT marketplace data (v2 API)
Opensensemap
openSenseMap MCP — citizen-science environmental sensor network (opensensemap.org)
Opensky
OpenSky MCP — live aircraft, served from keyless community ADS-B feeds.
Openstates
OpenStates MCP — bills, legislators, votes in all 50 US states
Opentargets
Open Targets MCP — disease/target/drug knowledge graph.
Opentreeoflife
Open Tree of Life MCP.
Openverse
Openverse MCP — Creative-Commons-licensed image + audio search.
Openweather
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
OperatorNest tools
Calculate API and subscription costs, meeting time zones, recurring schedules and cron matches.
Oqmd
OQMD (Open Quantum Materials Database) MCP.