Build a Nova Sonic Voice Agent

This skill creates a real-time voice agent from scratch using Strands BidiAgent with Amazon Nova Sonic. The agent runs as a WebSocket server that streams bidirectional audio with the user's browser.

Architecture

Browser (mic + speaker)  ←WebSocket→  FastAPI Server  ←BidiStream→  Amazon Nova Sonic
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                                    Tools / Sub-Agents

Prerequisites

• Python 3.11+
• AWS credentials with access to Amazon Bedrock (Amazon Nova Sonic model)
• A modern browser with microphone access

Install Dependencies