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Persona — Codex Voice Session Avatar
Persona is a free and open source desktop application that shows a talking animated 3D character when Codex is talking. It uses a local MCP server to communicate with Codex so it can play animations and toggle visibility of the window in real time.
Persona is a free and open source desktop application using Electron that shows a realtime animated 3D character (VRM format) synced with the voice playback of your AI code assistant. It listens to the audio playback events of Codex and plays corresponding animations of the character. There’s also a local MCP server included so Codex can control what animation to play and whether to hide/show the window without having to send any audio data across networks.
Why a vibe-coder should care
Persona provides a visual representation of your AI code assistant. Instead of looking at an empty screen while your AI is talking, now you have a character that moves around! It works on Linux, Windows, and Mac OS and doesn’t need to transmit your audio data.
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