CourtListener

Verified Integration

Author: @leveraging•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-1": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-courtlistener-1"
      ],
      "env": {}
    }
  }
}

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

Architecture & Capabilities

System Overview

Facilitates comprehensive legal research across thousands of U.S. courts by leveraging the CourtListener API.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for CourtListener

Users can access a vast database of court opinions, detailed case information, and federal PACER dockets. This includes full opinion texts, similar case precedents, judge's ruling patterns, and procedural requirements.

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