bioRxiv

ResearchUS

api.biorxiv.org

Preprint metadata from bioRxiv and medRxiv: versions, posting dates and published-journal links.

Runs on your machine under the source's own terms

The crw MCP on your computer calls bioRxiv directly. Calls cost no credits and the data does not pass through fastCRW. Install it once for Claude Code, Cursor, Codex, Windsurf, Gemini CLI or OpenCode, with your fastCRW API key in place of the placeholder:

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Capabilities (9)

biorxiv/content-by-dateFree, runs locally

A page of 30 preprints posted between two dates, each with full metadata and abstract, plus a messages block giving the total and how many were brand new rather than revisions.

serverstartendcursorcategory?

biorxiv/content-statsFree, runs locally

The full history of bioRxiv posting volume, one row per month or per year, with new papers, revised papers and running cumulative totals for both.

interval

biorxiv/detailsFree, runs locally

Every posted version of one preprint: title, authors, corresponding author and institution, posting date, version number, licence, subject category, abstract, and a 'published' field carrying the DOI of the journal article it became (the string 'NA' when it has not been published).

serverprefixsuffix

biorxiv/funderFree, runs locally

A page of 30 preprints whose submitters declared funding from one organisation, with the usual metadata plus a funder block naming each grant's funder, its ROR id and the award number.

serverstartendror_idcursorcategory?

biorxiv/publishedFree, runs locally

A page of 100 preprints that went on to appear in a peer-reviewed journal in the given window, each pairing the preprint DOI, title, authors, category and abstract with the published DOI, journal name and publication date.

serverstartendcursor

biorxiv/published-detailFree, runs locally

The journal publication record for a single paper: preprint DOI, published DOI, journal name, publication date and the preprint's title, authors, category and abstract.

serverprefixsuffix

biorxiv/publisherFree, runs locally

A page of 100 bioRxiv preprints that a given publisher went on to publish in the window, with the preprint DOI and title, the published DOI, the subject category and both dates.

publisher_prefixstartendcursor

biorxiv/recentFree, runs locally

The newest preprints on a server with full metadata and abstracts, selected either as the N most recent posts or as everything posted in the last N days.

serverinterval

biorxiv/usage-statsFree, runs locally

Abstract views, full-text views and PDF downloads for a whole server, one row per month or year, each with its running cumulative total.

intervalserver

Licence

For reuse/redistribution of individual articles or their derivatives, please consult the licensing terms applied by the authors, which are provided in the metadata.

https://www.biorxiv.org/tdm

Attribution

Display this wherever you show the data. It arrives on every response as provenance.attributionText.

Source: bioRxiv

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