MCP connectors by io.github.cyanheads
GET /v1/connectors – MCP directory API referenceQuery 29,500+ World Bank development indicators for 200+ countries across 60+ years.
Query U.S. Census Bureau data, variables, and geography via MCP.
Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP.
Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.
Access the OpenAlex academic research catalog — 270M+ publications.
Researcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry.
Access FEC campaign finance data. Query data about candidates, money trails, and election filings.
Search PubChem compounds, properties, safety data, bioactivity, and cross-references.
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.
WHO Global Health Observatory — 3,059 indicators across 194 member states.
Search GBIF species taxonomy, occurrence records, datasets, and publishers.
Search Stack Exchange questions, fetch Q&A threads as markdown, look up tag FAQs and user profiles.
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
Search fossil occurrences, taxon ranges, diversity through deep time, and the geologic time scale.
Search arXiv, fetch paper metadata, and read full-text content.
Search GBIF species taxonomy, occurrence records, datasets, and publishers.