Research MCP Servers for ChatGPT

EPO Open Patent Services MCP

Europe PMC MCP — biomedical literature.

NASA Exoplanet Archive MCP.

Figshare MCP.

GDELT MCP — Global Database of Events, Language, and Tone (free, no auth)

gnomAD MCP — Broad Institute Genome Aggregation Database (GraphQL).

Google Books MCP

IUPHAR/BPS Guide to PHARMACOLOGY (GtoPdb) MCP — BYO key.

Statistics Faroe Islands (Hagstova Føroya) PxWeb MCP.

HealthData.gov MCP. Keyless.

JPL Horizons MCP.

HPO API MCP.

ILOSTAT (International Labour Organization statistics) MCP — global labour

iNaturalist MCP — citizen-science species observations (free, no auth for read-only)

INE Spain (National Institute of Statistics) Tempus3 JSON API MCP.

INEGI MCP — Mexico's national statistics office (INEGI) Indicators API.

INSPIRE-HEP MCP — high-energy physics literature.

Internet Archive (archive.org) item search & metadata MCP.

iss-number MCP — wraps StupidAPIs (keyless — no credential needed)

KEGG REST MCP — Kyoto Encyclopedia of Genes and Genomes.

Lens.org MCP — patent + scholarly platform.