CourtListener

Verified Integration

Author: @offering•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect CourtListener to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "courtlistener-2": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-courtlistener-2"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Search and retrieve US court opinions, federal dockets, judge records, citation networks, and oral arguments from CourtListener's 9M+ opinion corpus via Model Context Protocol.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for CourtListener

CourtListener is built for AI agents and developers using the Model Context Protocol (MCP). It features a complete REST API v4 integration with 10 specialized tools, rate-limit awareness, cursor-based pagination, and agent-friendly output with chaining IDs for logical follow-up calls.

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