Research MCP Servers for Codex CLI

NOAA NDBC MCP — National Data Buoy Center marine observations

NREL MCP — wraps the US National Renewable Energy Laboratory developer API

Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.

NYPL Digital Collections MCP.

OECD MCP — Organisation for Economic Co-operation and Development data

OEIS (On-Line Encyclopedia of Integer Sequences) MCP.

UK Office for National Statistics dataset catalogue + Beta JSON API

OONI MCP — internet censorship & website reachability measurements from the

Open Library MCP — Internet Archive's open book metadata

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

OpenCitations MCP — citation index (COCI + general Index API).

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

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

OpenReview MCP — ML conference submissions and reviews (API v2)

Open Targets MCP — disease/target/drug knowledge graph.

OpenTopography MCP.

OQMD (Open Quantum Materials Database) MCP.

Patents MCP — wraps the USPTO Open Data Portal (ODP) Patent File Wrapper API

Earth-observation imagery catalogue from Microsoft's Planetary Computer — search its open…

Slovenia Open Data (podatki.gov.si) CKAN MCP.