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mcp/harbor
VS Code

crossref for VS Code

io.github.smaboundless/crossref

Search and retrieve scholarly metadata from the Crossref REST API

client:VS Code transport:stdio runtime:pypi

Install crossref in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "crossref-mailto",
      "description": "CROSSREF_MAILTO",
      "password": true
    }
  ],
  "servers": {
    "crossref": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "crossref-mcp-server"
      ],
      "env": {
        "CROSSREF_MAILTO": "${input:crossref-mailto}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

crossref in other clients

crossref MCP server