biorxiv-mcp-server

An MCP server that allows agents to search and retrieve bioRxiv and medRxiv preprints. It supports fetching full metadata, abstracts, revision history, and full text by DOI, listing recent preprints by date interval, searching by keyword or author via EuropePMC, and resolving preprint DOIs to their journal publication records.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by cyanheads

Vendor documentation

What you can do with it

Fetch full metadata and abstract for a preprint by DOI
Search preprints by keyword or author
List recent preprints within a specific date interval
Resolve a preprint DOI to its journal publication record

Source and maintenance

Community listingRegistry 0.5.1

mcp-registry: io.github.cyanheads/biorxiv-mcp-server@0.5.1 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@cyanheads/biorxiv-mcp-server 0.5.1

npmnpx

@cyanheads/biorxiv-mcp-server package definition

{
  "version": "0.5.1",
  "transport": "stdio",
  "identifier": "@cyanheads/biorxiv-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "BIORXIV_MAILTO",
      "format": "string",
      "description": "Contact email for User-Agent header — optional, for polite API access."
    },
    {
      "name": "BIORXIV_WEB_BASE_URL",
      "format": "string",
      "default": "https://www.biorxiv.org",
      "description": "bioRxiv website base URL — source of rendered full-text HTML pages for biorxiv_get_fulltext."
    },
    {
      "name": "MEDRXIV_WEB_BASE_URL",
      "format": "string",
      "default": "https://www.medrxiv.org",
      "description": "medRxiv website base URL — source of rendered full-text HTML pages for biorxiv_get_fulltext."
    },
    {
      "name": "MCP_LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "biorxiv-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/biorxiv-mcp-server@0.5.1"
      ],
      "env": {
        "BIORXIV_MAILTO": "<YOUR_BIORXIV_MAILTO>",
        "BIORXIV_WEB_BASE_URL": "<YOUR_BIORXIV_WEB_BASE_URL>",
        "MEDRXIV_WEB_BASE_URL": "<YOUR_MEDRXIV_WEB_BASE_URL>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "biorxiv-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/biorxiv-mcp-server@0.5.1"
      ],
      "env": {
        "BIORXIV_MAILTO": "<YOUR_BIORXIV_MAILTO>",
        "BIORXIV_WEB_BASE_URL": "<YOUR_BIORXIV_WEB_BASE_URL>",
        "MEDRXIV_WEB_BASE_URL": "<YOUR_MEDRXIV_WEB_BASE_URL>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "biorxiv-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/biorxiv-mcp-server@0.5.1"
      ],
      "env": {
        "BIORXIV_MAILTO": "<YOUR_BIORXIV_MAILTO>",
        "BIORXIV_WEB_BASE_URL": "<YOUR_BIORXIV_WEB_BASE_URL>",
        "MEDRXIV_WEB_BASE_URL": "<YOUR_MEDRXIV_WEB_BASE_URL>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "biorxiv-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/biorxiv-mcp-server@0.5.1"
      ],
      "env": {
        "BIORXIV_MAILTO": "<YOUR_BIORXIV_MAILTO>",
        "BIORXIV_WEB_BASE_URL": "<YOUR_BIORXIV_WEB_BASE_URL>",
        "MEDRXIV_WEB_BASE_URL": "<YOUR_MEDRXIV_WEB_BASE_URL>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

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