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

io.github.jtl-neo/crossref-mcp

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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.

~/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>"
      }
    }
  }
}