Legal MCP — AI skill for Claude Code

LegalMCP

[](https://github.com/Mahender22/legal-mcp/actions/workflows/ci.yml) [](https://python.org) [](LICENSE) [](https://pypi.org/project/legal-mcp/)

**The first comprehensive US legal MCP server for AI assistants.**

Connect Claude, GPT, Cursor, or any MCP-compatible AI to 4M+ US court opinions, Clio practice management, and PACER federal filings. Research in seconds, not hours.

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30-Second Demo

You:  Find Supreme Court cases about Fourth Amendment and cell phone location data

LegalMCP:  Found 52 results. Top case:

  Carpenter v. United States, 585 U.S. 296 (2018)
  The Court held that accessing historical cell-site location
  information constitutes a search under the Fourth Amendment,
  requiring a warrant supported by probable cause.

  → 127 cases cite this opinion
  → Full text: courtlistener.com/opinion/4578834

Why LegalMCP?

	Traditional Research	AI + LegalMCP
Find relevant cases	45-90 min	< 30 sec
Trace citation history	Open Westlaw, click around	"Who cited this case?"
Pull client billing	Log into Clio, navigate menus	"Total hours on Henderson?"
Monthly cost	$200-400 (Westlaw/Lexis)	Free

Quick Start

Install

We recommend using a virtual environment to avoid conflicts with other packages:

# Create and activate a virtual environment
python -m venv legal-mcp-env

# Windows
legal-mcp-env\Scripts\activate

# Mac/Linux
source legal-mcp-env/bin/activate

# Install
pip install legal-mcp

Or install from GitHub:

pip install git+https://github.com/Mahender22/legal-mcp.git

Run

Want to try it without API keys? Enable demo mode first (optional):

# Mac/Linux
export LEG