albertomercurio/CrossRef-MCP

CrossRef MCP Server

A Model Context Protocol (MCP) server for fetching academic paper metadata from CrossRef API.

Features

• Fetch complete metadata for any DOI
• Generate properly formatted BibTeX entries
  • Automatic title wrapping in double curly brackets {{title}}
  • No abstract field in BibTeX output
  • Proper line breaks and formatting
• Extract author information with full names when available
• Get journal full names and abbreviations
• Fetch paper references (when available)
• Type detection (article, book, conference paper, etc.)

Installation & Setup

Using Docker (Recommended)

1. Clone or create this directory structure
2. Build the Docker image:

   docker-compose build
   

3. Add to Claude Desktop configuration:

   {
       "mcpServers": {
           "crossref": {
               "command": "docker",
               "args": ["compose", "run", "--rm", "crossref-mcp"],
               "cwd": "/path/to/crossref-mcp"
           }
       }
   }
   

Available Tools

• fetch_doi_metadata: Fetches complete metadata for a given DOI, including:
  • Title, authors, journal information
  • Year, volume, issue, pages
  • Publisher information
  • Formatted BibTeX (without abstract, title in double curly brackets)
  • Citation counts
• fetch_references: Attempts to fetch references cited by the paper (when available from CrossRef).

Usage Example

Once configured, you can use it in Claude with:

Use the CrossRef MCP to fetch metadata for DOI: 10.1038/nature12373