Crossref Mcp

Connect Runs on your machine

claude mcp add crossref-mcp -e CROSSREF_MAILTO=<CROSSREF_MAILTO> -e CROSSREF_PLUS_TOKEN=<CROSSREF_PLUS_TOKEN> -- uvx crossref-mcp==0.1.0

{
  "mcpServers": {
    "crossref-mcp": {
      "command": "uvx",
      "args": [
        "crossref-mcp==0.1.0"
      ],
      "env": {
        "CROSSREF_MAILTO": "<CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<CROSSREF_PLUS_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "crossref-mcp": {
      "command": "uvx",
      "args": [
        "crossref-mcp==0.1.0"
      ],
      "env": {
        "CROSSREF_MAILTO": "<CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<CROSSREF_PLUS_TOKEN>"
      }
    }
  }
}

{
  "servers": {
    "crossref-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "crossref-mcp==0.1.0"
      ],
      "env": {
        "CROSSREF_MAILTO": "<CROSSREF_MAILTO>",
        "CROSSREF_PLUS_TOKEN": "<CROSSREF_PLUS_TOKEN>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

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