LegalForge MCP Server

Model Context Protocol (MCP) server for generating professional legal documents using AI.

Features

• Privacy Policy - GDPR/CCPA compliant privacy policies
• Terms of Service - Comprehensive terms for your website/app
• Cookie Policy - Detailed cookie policies with consent info

Installation

npm install
npm run build

Configuration

Set your Anthropic API key:

export ANTHROPIC_API_KEY=sk-ant-...

Usage

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "legalforge": {
      "command": "node",
      "args": ["/path/to/legalforge-mcp/dist/index.js"],
      "env": {
        "ANTHROPIC_API_KEY": "sk-ant-..."
      }
    }
  }
}

Programmatic

echo '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"generate_legal_document","arguments":{"documentType":"privacy","parties":[{"name":"Acme Inc","role":"company","email":"legal@acme.com"}],"terms":{"websiteUrl":"https://acme.com","siteName":"Acme","services":"Google Analytics, Stripe, Intercom"},"jurisdiction":"California, USA"}}}' | node dist/index.js

Tool: generate_legal_document

Inputs

Parameter	Type	Required	Description
documentType	"privacy" | "terms" | "cookie"	✓	Type of legal document
parties	Party[]	✓	Parties involved (company, users)
terms	Record<string, string>	✓	Document configuration
jurisdiction	string	✓	Legal jurisdiction

Party Object

Field	Type	Required	Description
name	string	✓	Party name
role	"company" | "user" | "provider"	✓	Role
address	string	-	Physical address
email	string	-	Contact email

Terms Object

Key	Description
websiteUrl	Website URL
siteName	Display name for the site
services	Comma-separated list of services/technologies

Output

Returns HTML document content (starting from <h2> tags).

Example

const result = await mcpClient.callTool("generate_legal_document", {
  documentType: "privacy",
  parties: [
    {
      name: "TechStartup Inc",
      role: "company",
      email: "privacy@techstartup.com"
    }
  ],
  terms: {
    websiteUrl: "https://techstartup.com",
    siteName: "TechStartup",
    services: "Google Analytics, Stripe, AWS, Intercom"
  },
  jurisdiction: "European Union"
});

console.log(result.content[0].text); // HTML privacy policy

Development

npm run dev  # Run with tsx (hot reload)
npm run build  # Compile TypeScript
npm start  # Run compiled version

Template Usage

This MCP server serves as a template for building other MCP servers. Key patterns:

1. Tool registration with Zod schemas for validation
2. Prompt engineering with structured templates
3. Error handling with proper MCP error responses
4. Clean TypeScript setup with ESM modules

License

MIT