MCP Chat Support System

A comprehensive chat support system with React frontend and Node.js backend, featuring real-time messaging, knowledge base management, and multi-tenant architecture.

🚀 Features

Frontend (React + TypeScript)

• Modern UI/UX: Responsive design with mobile optimization
• Real-time Chat: WebSocket-based live messaging
• Authentication: Google OAuth integration
• Demo Mode: Interactive demo with simulated features
• Payment Integration: Stripe payment processing
• Video Calls: WebRTC video conferencing
• Knowledge Base: Searchable documentation system
• Admin Dashboard: Multi-tenant management interface
• Offline Support: Service worker for offline functionality

Backend (Node.js + TypeScript)

• RESTful API: Express.js server with TypeScript
• WebSocket Server: Real-time communication
• Database: SQLite with TypeORM
• Authentication: JWT token-based auth
• Multi-tenancy: Tenant isolation and management
• File Upload: Secure file handling
• Analytics: Usage tracking and reporting
• Widget System: Embeddable chat widgets

📁 Project Structure

project/
├── src/                    # React frontend
│   ├── components/         # Reusable UI components
│   ├── pages/             # Page components
│   ├── contexts/          # React contexts
│   ├── hooks/             # Custom React hooks
│   ├── lib/               # Utility functions
│   └── types/             # TypeScript type definitions
├── server/                # Node.js backend
│   ├── src/
│   │   ├── routes/        # API route handlers
│   │   ├── middleware/    # Express middleware
│   │   ├── services/      # Business logic
│   │   └── db/            # Database models
│   ├── package.json
│   └── tsconfig.json
├── gemini-mcp-server/     # Gemini MCP integration
├── public/                # Static assets
└── docs/                  # Documentation

🛠️ Tech Stack

Frontend

• React 18 with TypeScript
• Vite for build tooling
• Tailwind CSS for styling
• React Router for navigation
• Socket.io Client for real-time features
• Stripe for payments
• WebRTC for video calls

Backend

• Node.js with TypeScript
• Express.js framework
• Socket.io for WebSocket server
• SQLite database with TypeORM
• JWT for authentication
• Multer for file uploads
• Cors for cross-origin requests

🚀 Quick Start

Prerequisites

• Node.js 18+
• npm or yarn
• Git

Frontend Setup

# Install dependencies
npm install

# Start development server
npm run dev

# Build for production
npm run build

Backend Setup

# Navigate to server directory
cd server

# Install dependencies
npm install

# Copy environment variables
cp env.example .env

# Start development server
npm run dev

# Build for production
npm run build

Environment Variables

Create a .env file in the server directory:

# Server Configuration
PORT=3001
NODE_ENV=development

# Database
DATABASE_URL=sqlite:./database.sqlite

# JWT Secret
JWT_SECRET=your-jwt-secret-here

# Google OAuth
GOOGLE_CLIENT_ID=your-google-client-id
GOOGLE_CLIENT_SECRET=your-google-client-secret

# Stripe (for payments)
STRIPE_SECRET_KEY=your-stripe-secret-key
STRIPE_PUBLISHABLE_KEY=your-stripe-publishable-key

# File Upload
UPLOAD_DIR=uploads/
MAX_FILE_SIZE=5242880

📱 Features Overview

Chat Interface

• Real-time messaging with typing indicators
• File sharing and image uploads
• Message history and search
• Read receipts and delivery status

Knowledge Base

• Searchable documentation
• Category organization
• Rich text editing
• Version control

Admin Dashboard

• Multi-tenant management
• User analytics and reporting
• System configuration
• Widget customization

Widget System

• Embeddable chat widgets
• Customizable appearance
• Multi-language support
• Mobile responsive

🔧 Development

Code Style

• TypeScript for type safety
• ESLint for code linting
• Prettier for code formatting
• Husky for git hooks

Testing

# Run frontend tests
npm test

# Run backend tests
cd server && npm test

Database Migrations

cd server
npm run migration:generate
npm run migration:run

🚀 Deployment

Frontend (Vercel/Netlify)

npm run build
# Deploy the dist/ folder

Backend (Render/Railway)

cd server
npm run build
npm start

Gemini MCP Server (Hugging Face Spaces)

The Gemini MCP Server can be deployed to Hugging Face Spaces for free:

📖 For detailed deployment instructions, see: gemini-mcp-server/README_HF_SPACES.md

Quick Steps:

1. Get a free Google Gemini API key from Google AI Studio
2. Create a new Space on Hugging Face Spaces
3. Choose "Docker" as the SDK
4. Connect your GitHub repository
5. Set the GEMINI_API_KEY environment variable
6. Deploy!

Cost: $0 (free tier available for both Hugging Face Spaces and Google Gemini API)

Node.js Backend (Hugging Face Spaces)

The Node.js/Express backend can also be deployed to Hugging Face Spaces:

📖 For detailed deployment instructions, see: server/README_HF_SPACES.md

Quick Steps:

1. Create a new Space on Hugging Face Spaces
2. Choose "Docker" as the SDK
3. Connect your GitHub repository
4. Set the JWT_SECRET environment variable
5. Deploy!

Cost: $0 (free tier available for Hugging Face Spaces)

Docker Deployment

# Build and run with Docker Compose
docker-compose up -d

📊 API Documentation

Authentication Endpoints

• POST /api/auth/login - User login
• POST /api/auth/register - User registration
• POST /api/auth/google - Google OAuth
• GET /api/auth/profile - Get user profile

Chat Endpoints

• GET /api/chat/messages - Get chat history
• POST /api/chat/messages - Send message
• GET /api/chat/rooms - Get chat rooms

Knowledge Base Endpoints

• GET /api/knowledge - Get knowledge articles
• POST /api/knowledge - Create article
• PUT /api/knowledge/:id - Update article
• DELETE /api/knowledge/:id - Delete article

🤝 Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🆘 Support

For support and questions:

• Create an issue on GitHub
• Check the documentation in the /docs folder
• Review the deployment guides

🔗 Links

• Live Demo
• API Documentation
• Deployment Guide

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Made with ❤️ by Chirag