Content
# 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:
```bash
docker-compose build
```
3. Add to Claude Desktop configuration:
```json
{
"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
```
