MCP Server

io.github.jtl-neo/crossref-mcp MCP Server

Name: io.github.jtl-neo/crossref-mcp MCP Server
Author: io.github.jtl-neo

io.github.jtl-neo/crossref-mcp

Repository Registry

What is the io.github.jtl-neo/crossref-mcp MCP server?

MCP server wrapping the Crossref REST API for scholarly metadata.

How to install io.github.jtl-neo/crossref-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CROSSREF_MAILTO
Email for Crossref's polite pool (recommended).
CROSSREF_PLUS_TOKEN
secret
Optional Crossref Plus API token.
MCP_API_KEY
secret
Optional X-API-Key for HTTP transport.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "crossref-mcp": {
      "command": "uvx",
      "args": [
        "crossref-mcp"
      ],
      "env": {
        "CROSSREF_MAILTO": "<YOUR_CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<YOUR_CROSSREF_PLUS_TOKEN>",
        "MCP_API_KEY": "<YOUR_MCP_API_KEY>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "crossref-mcp": {
      "command": "uvx",
      "args": [
        "crossref-mcp"
      ],
      "env": {
        "CROSSREF_MAILTO": "<YOUR_CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<YOUR_CROSSREF_PLUS_TOKEN>",
        "MCP_API_KEY": "<YOUR_MCP_API_KEY>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "crossref-mcp": {
      "command": "uvx",
      "args": [
        "crossref-mcp"
      ],
      "env": {
        "CROSSREF_MAILTO": "<YOUR_CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<YOUR_CROSSREF_PLUS_TOKEN>",
        "MCP_API_KEY": "<YOUR_MCP_API_KEY>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "crossref-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "crossref-mcp"
      ],
      "env": {
        "CROSSREF_MAILTO": "<YOUR_CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<YOUR_CROSSREF_PLUS_TOKEN>",
        "MCP_API_KEY": "<YOUR_MCP_API_KEY>"
      }
    }
  }
}

Claude Code

claude mcp add crossref-mcp --env CROSSREF_MAILTO=<YOUR_CROSSREF_MAILTO> --env CROSSREF_PLUS_TOKEN=<YOUR_CROSSREF_PLUS_TOKEN> --env MCP_API_KEY=<YOUR_MCP_API_KEY> -- uvx crossref-mcp