@argulens/mcp-server

MCP server for ArguLens — analyze legal documents directly from Claude, ChatGPT, or any MCP-compatible AI assistant.

Setup

1. Get an API key

1. Sign up at argulens.com
2. Go to My Cases > API Keys
3. Create a new API key

2. Install

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "argulens": {
      "command": "npx",
      "args": ["@argulens/mcp-server"],
      "env": {
        "ARGULENS_API_KEY": "al_live_your_key_here"
      }
    }
  }
}

Claude Code

claude mcp add argulens -- npx @argulens/mcp-server

Then set the environment variable:

export ARGULENS_API_KEY=al_live_your_key_here

Available Tools

| Tool | Description | |------|-------------| | analyze_case | Upload documents and get a 7-section case pack (summary, timeline, evidence, risks, etc.) | | chat_about_case | Ask evidence-grounded follow-up questions about a case | | parse_document | Extract text from PDF, DOCX, images (OCR), or email files | | draft_document | Generate court-ready documents (affidavits, submissions, defence notices) | | check_usage | Check your current usage and remaining quota |

Usage Examples

Once configured, you can ask your AI assistant:

• "Analyze this divorce petition and tell me my strengths and weaknesses"
• "What are the risks in my custody case based on these documents?"
• "Draft an affidavit based on my case analysis"
• "How much of my ArguLens quota have I used this month?"

Billing

Usage through MCP counts against your ArguLens plan:

• Free: 50 analyses/month, 100 chat messages/month
• Pro ($11/month): 100 analyses/month, 200 chat messages/month

When you hit your limit, the tool will return an error with a link to upgrade.

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | ARGULENS_API_KEY | Yes | Your ArguLens API key (starts with al_live_) | | ARGULENS_BASE_URL | No | Custom API URL (defaults to https://argulens.com) |