Voice Agent Base

A voice-enabled AI agent application built with React, LangChain, and ElevenLabs.

Features

• Voice input/output capabilities using OpenAI Whisper and ElevenLabs
• Web search functionality using Tavily
• React-based web interface
• LangChain-powered agent system

Prerequisites

• Node.js (v18 or higher)
• pnpm (v10.6.3 or higher)

Setup

1. Install dependencies:

pnpm install

1. Create a .env file in the root directory with the following variables:

# OpenAI API Key for Whisper (Speech-to-Text)
OPENAI_API_KEY=your_openai_api_key

# ElevenLabs API Key for Text-to-Speech
ELEVENLABS_API_KEY=your_elevenlabs_api_key

# Tavily API Key for web search
TAVILY_API_KEY=your_tavily_api_key

1. Start the development server:

pnpm dev

This will start both the web interface and the agent server concurrently.

Available Tools

The agent has access to the following tools:

1. Tavily Search: Web search functionality with configurable parameters:
2. Max results: 5
3. Topic: General
4. Additional optional parameters available for customization

Project Structure

• apps/web/: React-based web interface
• apps/agents/: LangChain agent implementation
• src/react-agent/: Core agent logic

Development

• pnpm dev: Start development servers
• pnpm build: Build the application
• pnpm lint: Run linting
• pnpm format: Format code

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