FluentAPI MCP Server

A Model Context Protocol (MCP) server that enables AI assistants to facilitate seamless multilingual conversations using FluentAPI's translation services.

🌍 What This Does

This MCP server allows AI assistants to:

• Translate messages between any supported languages
• Maintain conversation context for better translations
• Create multilingual chat sessions
• Access 70+ languages with auto-detection
• Format translations for different platforms (Facebook, WhatsApp, Slack, etc.)

🚀 Quick Start

Prerequisites

1. Node.js 18+ installed
2. FluentAPI Key - Get yours at your FluentAPI deployment URL + /pricing.html

Installation

# Clone or navigate to the MCP directory
cd fluent-api-mcp

# Install dependencies
npm install

# Build the server
npm run build

# Copy environment file and configure
cp .env.example .env
# Edit .env and add your FLUENT_API_KEY

Configuration

Create a .env file:

# Required: Your FluentAPI key
FLUENT_API_KEY=fluent_live_sk_your_api_key_here

# Optional: FluentAPI base URL (defaults to https://www.fluentapi.io)
FLUENT_API_BASE_URL=https://your-fluent-api-deployment.vercel.app

Usage with Claude Desktop

Add to your Claude Desktop MCP configuration:

{
  "mcpServers": {
    "fluent-api": {
      "command": "node",
      "args": ["/path/to/fluent-api-mcp/dist/index.js"],
      "env": {
        "FLUENT_API_KEY": "your_api_key_here",
        "FLUENT_API_BASE_URL": "https://your-deployment.vercel.app"
      }
    }
  }
}

Usage with Other MCP Clients

# Run the MCP server
npm start

# Or for development with auto-reload
npm run dev

🛠️ Available Tools

translate_message

Translate text between languages with conversation context.

Parameters:

• message (required): The text to translate
• target_language (required): Target language code (e.g., "es", "fr", "zh")
• source_language (optional): Source language code (defaults to "auto")
• conversation_id (optional): Unique conversation identifier
• sender_id (optional): Message sender ID
• recipient_id (optional): Message recipient ID
• platform (optional): Platform type (facebook, whatsapp, slack, discord, mcp)

Example:

{
  "message": "Hello, how are you?",
  "target_language": "es",
  "source_language": "en",
  "conversation_id": "chat_123"
}

Response:

{
  "success": true,
  "conversation_id": "chat_123",
  "message_id": "msg_456",
  "original": {
    "text": "Hello, how are you?",
    "language": "en",
    "language_name": "English"
  },
  "translated": {
    "text": "Hola, ¿cómo estás?",
    "language": "es",
    "language_name": "Spanish"
  },
  "display_format": "Hola, ¿cómo estás?\n[Hello, how are you?]",
  "platform_integrations": {
    "facebook": {...},
    "whatsapp": {...},
    "slack": {...}
  }
}

get_conversation

Retrieve conversation history with translations.

Parameters:

• conversation_id (required): The conversation ID to retrieve
• participant_id (optional): Filter for specific participant
• language (optional): Language to translate messages to

get_supported_languages

Get list of all supported languages.

Response:

{
  "supported_languages": {
    "en": "English",
    "es": "Spanish",
    "fr": "French",
    "de": "German",
    "zh": "Chinese (Simplified)",
    ...
  },
  "language_count": 70,
  "popular_languages": {...}
}

create_conversation

Create a new multilingual conversation context.

Parameters:

• conversation_id (required): Unique identifier for the conversation
• participants (optional): Array of participants with their preferred languages

🌟 Real-World Use Cases

Customer Support

// Customer writes in Spanish
await translate_message({
  message: "Mi producto no funciona correctamente",
  target_language: "en",
  conversation_id: "support_ticket_123",
  sender_id: "customer_456",
  recipient_id: "support_agent"
});
// Result: "My product is not working correctly"

International Business

// CEO writes in English, translates to Japanese for partners
await translate_message({
  message: "The quarterly results exceed our expectations",
  target_language: "ja",
  conversation_id: "board_meeting_q4",
  platform: "slack"
});
// Result: "四半期の結果は私たちの期待を上回っています"

Gaming Communities

// Korean player communicating with English-speaking team
await translate_message({
  message: "우리 팀이 이겼다!",
  target_language: "en",
  source_language: "ko",
  conversation_id: "game_lobby_789"
});
// Result: "Our team won!"

🔧 Development

Running in Development Mode

npm run dev

Building

npm run build

Project Structure

fluent-api-mcp/
├── src/
│   ├── index.ts          # Main MCP server
│   └── fluent-client.ts  # FluentAPI client wrapper
├── dist/                 # Built JavaScript files
├── package.json
├── tsconfig.json
├── .env.example
└── README.md

📝 Environment Variables

| Variable | Required | Default | Description | |----------|----------|---------|-------------| | FLUENT_API_KEY | Yes | - | Your FluentAPI key from the pricing page | | FLUENT_API_BASE_URL | No | https://www.fluentapi.io | FluentAPI server URL |

🔒 Security

• API keys are passed via environment variables
• All translation processing happens on FluentAPI servers
• No message content is stored locally
• Conversation context is managed server-side

📈 Usage Limits

Usage limits depend on your FluentAPI subscription:

• Free Trial: 1,000 translations/month
• Starter: 10,000 translations/month
• Professional: 100,000 translations/month
• Enterprise: 1,000,000 translations/month

🌏 Supported Languages

The MCP server supports 70+ languages including:

• Popular: English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, Hindi, Portuguese, Russian
• European: Italian, Dutch, Swedish, Norwegian, Polish, Czech, Hungarian, and more
• Asian: Thai, Vietnamese, Indonesian, Malaysian, Filipino, and more
• Others: Mongolian, Georgian, Armenian, and many regional languages

Use get_supported_languages to see the complete list.

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests if needed
5. Submit a pull request

📄 License

MIT License - see LICENSE file for details.

🆘 Support

• Documentation: This README and inline code comments
• Issues: Create GitHub issues for bugs or feature requests
• FluentAPI Support: Visit your FluentAPI deployment for API-related issues

Made with ❤️ for the MCP ecosystem and multilingual communication