Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
1,277 MCP servers
Budgeted research with cited evidence and visible payment state on the selected Arc network.
Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
DATASUS SIH/SUS hospital admissions in Brazil (AIH, 1992-2025): ICD-10 causes, ICSAP, rates.
Canli Capital's open research record: papers, killed candidates, trial counts, live record.
Protein research over UniProtKB — search by function, fetch curated records, map IDs, proteomes.
Search Wikipedia, arXiv, SEC EDGAR, US Census, USDA, PyPI and more through one Dataville API.
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
Researcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry.
Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.
Access the OpenAlex academic research catalog — 270M+ publications.
Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
Search arXiv, fetch paper metadata, and read full-text content.
Zotero MCP server for Claude and ChatGPT: search, citations, safe writes, PDF passages and pages.
Link compounds to protein targets, rank bioactivity, and look up drug mechanisms and indications.
Search PubChem compounds, properties, safety data, bioactivity, and cross-references.
Access U.S. congressional data - bills, votes, members, committees - via MCP.
Agent-first data marketplace — AI agents search, purchase, and sell datasets via MCP.
Query 29,500+ World Bank development indicators for 200+ countries across 60+ years.
Look up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST.