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mcp libraryofcongress for Grok

io.github.smeet666/mcp-libraryofcongress

Search inside scanned US newspapers and browse the Library of Congress catalogue. No API key.

client:Grok transport:stdio runtime:npm

Install mcp libraryofcongress in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-libraryofcongress": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-libraryofcongress"
      ],
      "env": {
        "LOC_USER_AGENT": "<LOC_USER_AGENT>",
        "LOC_MIN_INTERVAL_MS": "<LOC_MIN_INTERVAL_MS>",
        "LOC_TIMEOUT_MS": "<LOC_TIMEOUT_MS>",
        "LOC_NEWSPAPER_TIMEOUT_MS": "<LOC_NEWSPAPER_TIMEOUT_MS>",
        "LOC_LOG_LEVEL": "<LOC_LOG_LEVEL>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

mcp libraryofcongress in other clients

mcp libraryofcongress MCP server