Voice Agent MCP Server

A Model Context Protocol (MCP) server for managing enterprise voice agent configurations with support for both OpenAI and VAPI voice providers.

Features

• 🏢 Enterprise Configuration Management: Load, create, and manage enterprise voice agent configurations
• 🎤 Dual Voice Provider Support: Switch between OpenAI Realtime API and VAPI (defaults to VAPI)
• 🏭 Industry Templates: Pre-built templates for airline, hotel, banking, and retail industries
• 📚 Knowledge Base Management: Add and manage knowledge base documents
• 🔌 API Integration: Configure and manage API endpoints for voice agents
• 📊 Configuration Export/Import: Export configurations to JSON or load from files

Installation

1. Install dependencies:

npm install

2. Build the project:

npm run build

3. Set up environment variables (copy from env.example):

cp env.example .env
# Edit .env with your configuration

Usage

Running the MCP Server

# Development mode
npm run dev

# Production mode
npm start

Available Tools

The MCP server provides the following tools:

Configuration Management

• load_enterprise_config: Load configuration from a JSON file
• load_config_from_string: Load configuration from JSON string
• export_config: Export current configuration to JSON
• get_config_summary: Get configuration summary

Voice Provider Management

• set_voice_provider: Set voice provider (OpenAI or VAPI) with configuration

Enterprise Information

• get_enterprise_info: Get detailed enterprise information
• get_voice_agent_config: Get voice agent configuration
• get_apis_config: Get all configured APIs
• get_knowledge_base: Get knowledge base configuration

Content Management

• add_api_endpoint: Add new API endpoint to configuration
• add_knowledge_document: Add document to knowledge base

Templates

• get_industry_templates: Get available industry templates
• create_config_from_template: Create configuration from industry template

Available Resources

• config://enterprise: Current enterprise configuration
• config://voice-provider: Current voice provider configuration
• config://summary: Configuration summary

Configuration

Environment Variables

• DEFAULT_VOICE_PROVIDER: Default voice provider (vapi or openai)
• OPENAI_API_KEY: OpenAI API key (if using OpenAI)
• VAPI_PUBLIC_KEY: VAPI public key (if using VAPI)
• VAPI_ASSISTANT_ID: VAPI assistant ID (if using VAPI)

Enterprise Configuration Structure

The enterprise configuration follows this structure:

{
  "enterprise": {
    "name": "Company Name",
    "industry": "hotel",
    "description": "Company description",
    "headquarters": "Location",
    "website": "https://company.com",
    "supportHours": "24/7",
    "languages": ["English"],
    "contactInfo": {
      "phone": "+1-800-COMPANY",
      "email": "support@company.com"
    }
  },
  "apis": [
    {
      "name": "API Name",
      "description": "API description",
      "endpoints": [...]
    }
  ],
  "knowledgeBase": {
    "name": "Knowledge Base Name",
    "documents": [...],
    "categories": [...]
  },
  "voiceAgent": {
    "name": "Voice Assistant Name",
    "instructions": "Assistant instructions",
    "personality": {...},
    "capabilities": [...]
  }
}

Industry Templates

The server includes pre-built templates for:

• Airline: Flight booking, baggage policies, check-in procedures
• Hotel: Room reservations, amenities, check-in/out procedures
• Banking: Account inquiries, transactions, loan information
• Retail: Product information, orders, returns, loyalty programs

Voice Provider Configuration

VAPI Configuration (Default)

{
  "provider": "vapi",
  "vapi": {
    "publicKey": "your_vapi_public_key",
    "assistantId": "your_assistant_id",
    "baseUrl": "https://api.vapi.ai"
  }
}

OpenAI Configuration

{
  "provider": "openai",
  "openai": {
    "apiKey": "sk-your_openai_api_key",
    "model": "gpt-4o",
    "voice": "alloy"
  }
}

Integration with Voice Agent

This MCP server is designed to work with the Voice Agent application. It provides:

1. Configuration Loading: Load enterprise configurations from files or strings
2. Provider Selection: Choose between OpenAI and VAPI voice providers
3. Dynamic Configuration: Modify configurations at runtime
4. Template Support: Create configurations from industry templates

Development

Project Structure

src/
├── index.ts           # Main MCP server implementation
├── config-manager.ts  # Enterprise configuration management
└── types.ts          # TypeScript type definitions

Building

npm run build

Development Mode

npm run dev

License

MIT