Do I need an API key?

No. The bioRxiv and medRxiv APIs are completely free and public.

What is the difference between bioRxiv and medRxiv?

bioRxiv covers biological sciences (neuroscience, genomics, cell biology, ecology, etc.) while medRxiv covers health sciences (clinical research, epidemiology, public health, health systems).

Are preprints peer-reviewed?

No. Preprints are shared before formal peer review. They undergo basic screening but not the full editorial process. This server also tracks which preprints later get published in peer-reviewed journals.

Stanford bioRxiv MCP Connector for Claude

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Search and retrieve preprint research papers in biology and life sciences from the bioRxiv open access repository.

16 tools Official Updated Jun 28, 2026 Official Vinkius Partner

More Details Connect to Claude

Connect to the bioRxiv and medRxiv APIs — the world's leading preprint servers for biology and health sciences.

What you can do

bioRxiv Preprints — Browse the latest biology preprints across 25+ categories
medRxiv Preprints — Browse health sciences preprints (clinical, epidemiology, public health)
Category Filters — Neuroscience, genomics, cell biology, cancer, immunology, and more
Preprint Details — Get full metadata including abstracts by DOI
Version Tracking — See how a preprint has been revised over time
Publication Tracking — Discover which preprints have been published in peer-reviewed journals
Institution View — Browse preprints by corresponding author institution
Subject Feeds — Dedicated feeds for neuroscience, genomics, immunology, cell biology, cancer, and epidemiology

Why preprints matter

Preprints appear 6-12 months before peer-reviewed publication. This server gives you access to science at the cutting edge — the same day researchers share their findings with the world.

Who is this for?

Biologists — stay current with your field before journals publish
Medical Researchers — monitor clinical and epidemiological preprints
PhD Students — discover the freshest research in your specialty
Science Journalists — track breaking scientific discoveries

biorxivmedrxivpreprintsbiologyhealth-sciencesneurosciencegenomics

16 tools expose this connector's capabilities to your AI agent.

get_preprint

Searches both bioRxiv and medRxiv. Returns title, authors, corresponding author and institution, date, version, category, abstract, and license. DOI format: "10.1101/2024.01.15.575123". Get preprint details by DOI

get_preprint_versions

Preprints on bioRxiv/medRxiv can be updated multiple times. This lets you see the full revision history and understand how a manuscript has evolved. Get all versions of a preprint to track revisions

get_published_tracking

Shows the preprint DOI, published DOI, journal name, and publication date. Essential for understanding the preprint-to-publication pipeline. Track which preprints have been published in journals

get_published_version

Returns the published DOI, journal citation, and publication date. Essential for finding the final, peer-reviewed version of a preprint you have read. Find the journal-published version of a preprint

get_recent_biorxiv

Default is 7 days. Essential for staying at the cutting edge of biological research — preprints appear here 6-12 months before peer-reviewed publication. Get the latest bioRxiv preprints

get_recent_medrxiv

Covers clinical medicine, epidemiology, public health, and health systems research. Critical for monitoring emerging health research before journal publication. Get the latest medRxiv preprints

search_biorxiv

The bioRxiv API returns preprints in batches of 100. Use the date interval format "YYYY-MM-DD/YYYY-MM-DD" (e.g. "2024-01-01/2024-01-31"). Use cursor for pagination (0, 100, 200, etc.). Browse bioRxiv preprints by date range

search_by_category

bioRxiv categories include: neuroscience, genomics, bioinformatics, cell_biology, cancer_biology, immunology, microbiology, molecular_biology, biochemistry, genetics, developmental_biology, evolutionary_biology, ecology, plant_biology, physiology, pharmacology, systems_biology, biophysics, synthetic_biology. medRxiv categories: epidemiology, infectious_diseases, public_and_global_health, health_systems, cardiovascular_medicine, oncology, psychiatry, neurology. Filter preprints by subject category

search_by_institution

Use this to explore what institutions are producing preprints in a given time period. Each preprint includes the corresponding author and their institutional affiliation. Browse preprints with author institution metadata

search_cancer

Covers tumor biology, oncogenomics, cancer immunology, drug resistance, and experimental therapeutics. Browse cancer biology preprints

search_cell_biology

Covers cell signaling, organelle biology, cytoskeleton, cell division, stem cells, and cellular mechanisms of disease. Browse cell biology preprints

search_epidemiology

Covers disease surveillance, outbreak analysis, population health, health policy, and clinical epidemiology. Critical for public health monitoring. Browse epidemiology and public health preprints

search_genomics

Covers genome sequencing, gene regulation, epigenomics, metagenomics, and computational genomics — core disciplines in modern biology. Browse genomics and bioinformatics preprints

search_immunology

Covers immune system research, host-pathogen interactions, vaccine development, autoimmune diseases, and immunotherapy. Browse immunology and microbiology preprints

search_medrxiv

medRxiv covers clinical research, epidemiology, public health, and health policy. Use interval "YYYY-MM-DD/YYYY-MM-DD" format. Results paginated in batches of 100. Browse medRxiv preprints by date range

search_neuroscience

Neuroscience is one of the largest and most active categories, covering brain research, neural circuits, cognitive science, and neurological disorders. Browse neuroscience preprints

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