lookup_citation

Pack: court-listener · Endpoint: https://gateway.pipeworx.io/court-listener/mcp

Resolve a US reporter citation such as “410 U.S. 113” or “347 U.S. 483” to the case it refers to, with name, filing date, judges and citation count. Reads our hosted CourtListener mirror — no API key. Use when a brief, opinion or article cites a case by reporter and you need to know which case that is.

Parameters

NameTypeRequiredDescription
citationstringyesReporter citation: volume, reporter, page. E.g. “410 U.S. 113”.

Example call

curl -X POST https://gateway.pipeworx.io/court-listener/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"lookup_citation","arguments":{}}}'

Connect

Add this to your MCP client config, or use one-click install buttons:

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

See Getting Started for client-specific install steps.

Regenerated from source · build August 8, 2026