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@cyanheads/courtlistener-mcp-server

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

APIs & Integrations
Install Command
npx -y @cyanheads/courtlistener-mcp-server
Claude Desktop Config
{
  "mcpServers": {
    "cyanheads-courtlistener-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/courtlistener-mcp-server"
      ]
    }
  }
}

@cyanheads/courtlistener-mcp-server is a community MCP server that connects AI assistants like Claude to search and retrieve us court opinions, federal dockets, judge records, citation networks, and oral arguments from courtlistener's 9m+ opinion corpus via mcp. s…. It runs locally on your machine, keeping your data private and giving you full control over the connection. It bridges the gap between Claude and your existing services without any custom integration code.

About @cyanheads/courtlistener-mcp-server

Overview

Search and retrieve US court opinions, federal dockets, judge records, citation networks, and oral arguments from CourtListener's 9M+ opinion corpus via MCP. STDIO or Streamable HTTP.

Links

Topics

mcp, mcp-server, model-context-protocol, stdio, streamable-http, court-opinions, legal-research, case-law, courtlistener, federal-courts, pacer, recap, legal, judges, citation-network

Who Should Use @cyanheads/courtlistener-mcp-server?

  • 1Search and retrieve information using natural language
  • 2Connect Claude to third-party APIs without writing glue code
  • 3Automate workflows that span multiple services and platforms
  • 4Trigger webhooks and API calls from natural-language instructions

How to Install @cyanheads/courtlistener-mcp-server

Before you start

You will need Node.js (v18 or later) installed on your machine — download it from nodejs.org if you haven't already.

  1. 1Open a terminal (Terminal on Mac, Command Prompt or PowerShell on Windows).
  2. 2Paste the install command above and press Enter — Node.js will download and run the server automatically.
  3. 3Add the server to your Claude Desktop config file (see the JSON snippet above) and restart Claude.

The Claude Desktop config snippet above can be copied and pasted directly into your claude_desktop_config.json file — no editing required.

How @cyanheads/courtlistener-mcp-server Compares

It runs entirely on your local machine, so no data leaves your environment — important for teams with privacy or compliance requirements.
It is distributed as an npm package, making version management and updates straightforward with a single `npm update` command.

Tags

stdiostreamable-httpcourt-opinionslegal-researchcase-lawcourtlistenerfederal-courtspacerrecaplegal

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