si.fourzerotwo/research

Research papers

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

1.0.1
Version
remote
Transport
38
Tools

Security review

Partly reviewed

Reviewed 16m ago. Tool definitions changed on Oct 11, 2026.

  • tools: 38 tools scanned
  • metadata: scanned
  • mediumReviewTool definitions changed after an earlier review

    A server that changes its tool descriptions after being approved ("rug pull") can slip new instructions to agents. Re-check what changed before trusting it.

    changed 2026-10-11

Tools (38)

  • 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.