Echo

AI-Powered Customer Support Platform with Voice Capabilities

Features • Quick Start • Tech Stack • Development

Overview

Echo is an intelligent AI customer support platform that provides instant, context-aware assistance through an embeddable widget. Powered by advanced language models and RAG technology, it helps reduce support ticket volume while maintaining high-quality customer interactions.

Features

Core Capabilities

• 🤖 AI-Powered Conversations

  • Natural language understanding and generation
  • Context-aware responses
  • 24/7 automated support

• 🎯 Embeddable Widget

  • Lightweight chat interface
  • One-line script integration
  • Responsive design

• 📚 RAG Knowledge Base

  • Document vectorization (PDFs, text)
  • Business-specific context integration
  • Automated knowledge updates

• 🗣️ Voice Integration

  • AI voice agent capabilities
  • Natural voice conversations
  • VAPI plugin support

Management Features

• 💼 Dashboard

  • Conversation management
  • Knowledge base administration
  • Analytics and insights
  • Team collaboration tools

• 🎨 Customization

  • Widget appearance
  • Behavior configuration
  • Brand alignment options

• 👥 Multi-tenancy

  • Organization management
  • Team access controls
  • Role-based permissions

Tech Stack

• Frontend

  • Next.js 15+ (App Router)
  • React & TypeScript
  • Tailwind CSS
  • shadcn/ui components
  • Jotai state management

• Backend

  • Convex (Full-stack TypeScript)
  • RAG implementation
  • Voice API integration

• Infrastructure

  • Turborepo
  • pnpm workspace
  • Vercel deployment
  • Sentry monitoring

Project Structure

echo/
├── apps/
│   ├── web/          # Dashboard application
│   ├── widgets/      # Chat widget UI
│   └── embed/        # Embeddable script
├── packages/
│   ├── backend/      # Convex backend
│   ├── ui/          # Shared components
│   └── config/      # Shared configurations

Quick Start

Prerequisites

• Node.js v20+
• pnpm v10+

Installation

# Clone repository
git clone https://github.com/VatsalUmrania/echo.git
cd echo

# Install dependencies
pnpm install

# Setup environment
cp apps/web/.env.example apps/web/.env.local
cp packages/backend/.env.example packages/backend/.env

Environment Setup

# apps/web/.env.local
NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=
CLERK_SECRET_KEY=
NEXT_PUBLIC_CONVEX_URL=

# packages/backend/.env
CONVEX_DEPLOYMENT_KEY=
OPENAI_API_KEY=
VAPI_API_KEY=

Development

turbo dev

The development server will start two applications:

• Web Dashboard: http://localhost:3000
• Widget Dashboard: http://localhost:3001

Deployment

Echo is deployed on Vercel with two separate applications:

• Web Dashboard: https://web-echo.vercel.app
• Widget Demo: https://echo-widgets.vercel.app