bioRxiv preprints API

Preprints posted in a date interval: title, DOI, authors, category, licence and the journal DOI once published.

Ask your agent

“Call biorxiv/preprints with start ID and end ID and summarize what comes back.”

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

Path: biorxiv/preprints
MCP tool: call_endpoint
Credits: 1
Cache: 2 min

Parameters

startstring, required	First posted date, YYYY-MM-DD
endstring, required	Last posted date, YYYY-MM-DD
serverstring, optional	biorxiv or medrxiv, default biorxiv
limitinteger, optional	1-30 preprints, default 10

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

preprint

MCP tool call

{
  "name": "call_endpoint",
  "arguments": {
    "path": "biorxiv/preprints",
    "params": {
      "start": "ID",
      "end": "ID"
    }
  }
}

curl

curl "https://data.openkrill.app/v1/biorxiv/preprints?start=ID&end=ID" \
  -H "x-api-key: YOUR_API_KEY"

Response

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