Research & Knowledge MCP servers

Sentinel Hub MCP — satellite / earth-observation statistics as JSON (sentinel-hub.com).

Sefaria MCP — the free digital library of Jewish texts.

ROR MCP — Research Organization Registry.

Rijksmuseum — the Dutch national museum's collection, via its open Data

Quotable MCP — wraps the Quotable dataset (free, no auth)

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

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

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

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

Open Notify MCP — ISS position + people in space

OONI MCP — internet censorship & website reachability measurements from the

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Quotes MCP — citation-grade quote API for public-domain authors.

Pipeworx FAQ MCP — curated answers to questions ABOUT Pipeworx itself

IEEE Xplore MCP — BYOK wrapper over the IEEE Xplore Metadata Search API

IPQuery MCP.

JPL Horizons MCP.

HathiTrust Bibliographic API MCP.

Harvard Art Museums MCP.

DWDS MCP — German Digital Dictionary.

Dryad (datadryad.org) MCP — keyless.

DigitalNZ MCP.

bioRxiv / medRxiv MCP

ACLED MCP — Armed Conflict Location & Event Data Project

NASA Exoplanet Archive MCP.

Epoch AI — AI models database

Encyclopedia of Life (EOL) MCP

DBLP MCP — Computer Science bibliography