@AISuperDomain: Real-time voice agents are moving from "demo toys" to truly usable, and LiveKit Agents is arguably one of the most complete open-source frameworks. It doesn't just chain STT, LLM, and TTS; it also directly provides: • WebRTC real-time audio/video • Inbound and outbound phone calls • …

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Summary

LiveKit Agents is an open-source real-time voice agent framework supporting WebRTC, telephony integration, semantic turn detection, MCP tool calling, and multi-agent handoff, helping developers quickly build real-time voice applications such as AI customer service and phone bots.

Real-time voice agents are moving from "demo toys" to truly usable, and LiveKit Agents is arguably one of the most complete open-source frameworks available today. It doesn't just chain STT, LLM, and TTS together; it also directly provides: • WebRTC real-time audio/video • Inbound and outbound phone calls • Semantic turn detection to reduce interruptions • Native MCP tool calling • Multi-agent handoff • Built-in testing and LLM Judge • Support for self-hosting the entire tech stack Developers can freely combine voice and LLM providers from different vendors to quickly build AI customer service, phone bots, meeting assistants, and real-time voice applications. GitHub:
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🎙️ Starter Agent

A starter agent optimized for voice conversations.

Code

🔄 Multi-user push to talk

Responds to multiple users in the room via push-to-talk.

Code

🎵 Background audio

Background ambient and thinking audio to improve realism.

Code

🛠️ Dynamic tool creation

Creating function tools dynamically.

Code

☎️ Outbound caller

Agent that makes outbound phone calls

Code

📋 Structured output

Using structured output from LLM to guide TTS tone.

Code

🔌 MCP support

Use tools from MCP servers

Code

💬 Text-only agent

Skip voice altogether and use the same code for text-only integrations

Code

📝 Multi-user transcriber

Produce transcriptions from all users in the room

Code

🎥 Video avatars

Add an AI avatar with Tavus, Bithuman, LemonSlice, and more

Code

🍽️ Restaurant ordering and reservations

Full example of an agent that handles calls for a restaurant.

Code

👁️ Gemini Live vision

Full example (including iOS app) of Gemini Live agent that can see.

Code

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