MCP servers for Codex CLI

GISTEMP MCP — NASA Goddard Institute for Space Studies Surface Temperature

GLEIF MCP — Global Legal Entity Identifier Foundation (free, no auth)

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

Gong MCP — wraps the Gong API v2 (OAuth)

Google Ads MCP Pack

Google Books MCP

Google Maps MCP Pack — geocoding, places, directions, distance matrix, elevation.

Go Module Proxy MCP.

Gov Bids MCP — open & historical US government bid solicitations (Wave 4b, hosted).

GOV.UK Content + Search APIs.

GovData.de MCP — Germany's national open-data portal (CKAN API).

GovInfo.gov MCP — full text of US government publications

GovTrack MCP — federal US Congress data (free, no auth)

Greenhouse MCP Pack — wraps the Greenhouse Harvest API v1

GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov)

GTEx MCP.

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

GuruFocus MCP — wraps the GuruFocus Data API (gurufocus.com/data-api)

H-1B MCP — US H-1B visa sponsorship & wage data from DOL Labor Condition Application (LCA)…

Statistics Faroe Islands (Hagstova Føroya) PxWeb MCP.

HAL (Hyper Articles en Ligne) MCP — French national open research archive.