bioRxiv preprint API

One preprint: abstract, version, category, licence, corresponding author, institution and journal DOI.

Ask your agent

“Call biorxiv/preprint with doi 10.1101/2025.01.01.631024 and summarize what comes back.”

Works in any MCP client connected to https://data.openkrill.app/mcp. Install in one line.

Path: biorxiv/preprint
MCP tool: call_endpoint
Credits: 1
Cache: 15 min

Parameters

doistring, required	bioRxiv or medRxiv DOI such as 10.1101/2025.01.01.631024
serverstring, optional	biorxiv or medrxiv, default biorxiv

Response

data.resources[] uses the same keys as every other platform: author, engagement, metadata, with bioRxiv-only fields under extras. A failed upstream call is never billed.

More bioRxiv tools

preprints

MCP tool call

{
  "name": "call_endpoint",
  "arguments": {
    "path": "biorxiv/preprint",
    "params": {
      "doi": "10.1101/2025.01.01.631024"
    }
  }
}

curl

curl "https://data.openkrill.app/v1/biorxiv/preprint?doi=10.1101%2F2025.01.01.631024" \
  -H "x-api-key: YOUR_API_KEY"

Response

{
  "success": true,
  "platform": "biorxiv",
  "endpoint": "biorxiv/preprint",
  "data": {
    "resources": [
      { "id": …, "title": …, "text": …, "url": …,
        "author": {…}, "engagement": {…},
        "metadata": {…}, "extras": {…} }
    ]
  },
  "credits_used": 1,
  "cached": false
}