All servers · Agent payments (x402) · Research & knowledge

Research papers

si.fourzerotwo/research · v1.0.1

Measured by MCP Station

Description written by the publisher, not verified

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

Connect

claude mcp add --transport http research https://fourzerotwo.si/mcp/v/research

{
  "mcpServers": {
    "research": {
      "url": "https://fourzerotwo.si/mcp/v/research"
    }
  }
}

Tools as reported by the server

• crossref__doi
  Title, authors, journal, dates, references count and licence for a DOI. Free within the daily allowance, then $0.002 USDC per call via x402.
• crossref__search
  Bibliographic search across Crossref works. Free within the daily allowance, then $0.003 USDC per call via x402.
• crossref__journal
  Journal title, publisher and DOI counts by ISSN. Free within the daily allowance, then $0.002 USDC per call via x402.
• crossref__funders
  Research funders by name, with Funder Registry ids. Free within the daily allowance, then $0.002 USDC per call via x402.
• crossref__members
  Crossref member publishers by name. Free within the daily allowance, then $0.002 USDC per call via x402.
• pubmed__search
  PubMed ids matching a query (supports PubMed query syntax). A few free samples a day, then $0.002 USDC per call via x402.
• pubmed__summary
  Title, authors, journal, date and DOI for comma-separated PubMed ids. A few free samples a day, then $0.002 USDC per call via x402.
• pubmed__pmc-search
  Free full-text article ids in PubMed Central. A few free samples a day, then $0.002 USDC per call via x402.
• pubmed__clinical-trials-search
  PubMed citations that are clinical trial reports for a query. A few free samples a day, then $0.002 USDC per call via x402.
• ror__search
  Find research organisations by name, acronym or keyword, optionally filtered by country and type. Free within the daily allowance, then $0.001 USDC per call via x402.
• ror__organisation
  Full record: names and aliases, types, status, founding year, location, website, domains, external ids. Free within the daily allowance, then $0.0005 USDC per call via x402.
• ror__affiliation
  Turn a free-text affiliation (as printed on a paper) into the matching organisation, with ROR's confidence flag and candidates. Free within the daily allowance, then $0.001 USDC per call via x402.
• ror__external-id
  Find the organisation for a GRID id, ISNI, Wikidata QID or Crossref Funder ID. Free within the daily allowance, then $0.001 USDC per call via x402.
• ror__relationships
  Parent, child and related organisations of a ROR record. Free within the daily allowance, then $0.001 USDC per call via x402.
• scholarly__works-search
  Full-text search of scholarly works, with citations, authors and open-access links. Free within the daily allowance, then $0.003 USDC per call via x402.
• scholarly__work
  One work by OpenAlex id (W…) or "doi:10.…". Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__authors-search
  Researchers by name with h-index, works and citation counts. Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__author
  One researcher by OpenAlex id or ORCID. Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__institutions-search
  Universities and research institutions with output stats. Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__sources-search
  Journals and repositories with impact stats. Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__topics-search
  Research topics and fields. Free within the daily allowance, then $0.002 USDC per call via x402.
• scholarly__autocomplete
  Fast title autocomplete across works. Free within the daily allowance, then $0.001 USDC per call via x402.
• scholarly__citing-works
  Works that cite a given OpenAlex work id. Free within the daily allowance, then $0.003 USDC per call via x402.
• arxiv__search
  Search arXiv by keywords, title, author and/or category; sort by relevance or newest. Costs $0.002 USDC per call via x402.
• arxiv__paper
  Full metadata for up to 20 arXiv ids: title, authors, abstract, categories, dates, DOI, journal ref, links. Costs $0.001 USDC per call via x402.
• arxiv__recent
  The newest submissions in any arXiv category. Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-ai
  The newest arXiv submissions in cs.AI (Artificial Intelligence). Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-lg
  The newest arXiv submissions in cs.LG (Machine Learning). Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-cl
  The newest arXiv submissions in cs.CL (Computation and Language (NLP)). Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-cv
  The newest arXiv submissions in cs.CV (Computer Vision). Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-cr
  The newest arXiv submissions in cs.CR (Cryptography and Security). Costs $0.002 USDC per call via x402.
• arxiv__recent-cs-ro
  The newest arXiv submissions in cs.RO (Robotics). Costs $0.002 USDC per call via x402.
• arxiv__recent-stat-ml
  The newest arXiv submissions in stat.ML (Statistics: Machine Learning). Costs $0.002 USDC per call via x402.
• arxiv__recent-quant-ph
  The newest arXiv submissions in quant-ph (Quantum Physics). Costs $0.002 USDC per call via x402.
• arxiv__recent-astro-ph
  The newest arXiv submissions in astro-ph (Astrophysics). Costs $0.002 USDC per call via x402.
• arxiv__recent-q-fin
  The newest arXiv submissions in q-fin (Quantitative Finance). Costs $0.002 USDC per call via x402.
• arxiv__recent-econ
  The newest arXiv submissions in econ (Economics). Costs $0.002 USDC per call via x402.
• arxiv__recent-q-bio
  The newest arXiv submissions in q-bio (Quantitative Biology). Costs $0.002 USDC per call via x402.

Website · JSON · Text for agents · Registry updated 2026-10-11