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Library of Congress MCP Server

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mcp-library-of-congress

Library of Congress (loc.gov) MCP — the world's largest library.

Part of Pipeworx — an MCP gateway connecting AI agents to 965+ live data sources.

Tools

Tool

Description

Related MCP server: OpenDiscourse MCP

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

{
  "mcpServers": {
    "library-of-congress": {
      "url": "https://gateway.pipeworx.io/library-of-congress/mcp"
    }
  }
}

Or connect to the full Pipeworx gateway for access to all 965+ data sources:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://gateway.pipeworx.io/mcp"
    }
  }
}

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English:

ask_pipeworx({ question: "your question about Library Of Congress data" })

The gateway picks the right tool and fills the arguments automatically.

More

License

MIT

No MCP client? Call it over HTTP

curl -X POST https://gateway.pipeworx.io/v1/tools/search \
  -H 'Content-Type: application/json' \
  -d '{"query":"Civil War photographs"}'

No account needed for the first calls. Inspect any tool: GET https://gateway.pipeworx.io/v1/tools/search. Find one: POST https://gateway.pipeworx.io/v1/tools/search_packs with {"query":"..."}.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

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