A neural text-to-speech skill that brings an authentic, movie-accurate J.A.R.V.I.S. voice to your AI agents and Android devices.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install jarvis-vocal
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install jarvis-vocal using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is jarvis-vocal?
jarvis-vocal is a high-fidelity text-to-speech (TTS) solution designed for developers using Openclaw Skills to create immersive AI experiences. By leveraging the Piper TTS neural engine and a model specifically trained on cinematic dialogue, this skill produces a naturally British, sophisticated voice without the need for additional audio post-processing filters. It serves as a bridge between your local development environment and remote Android nodes, providing a seamless way to hear your AI agent respond in real-time using high-quality local synthesis.
jarvis-vocal Use Cases
- Adding a professional, cinematic voice interface to local AI coding agents.
- Broadcasting AI responses to Android mobile devices via Openclaw Skills nodes.
- Generating high-quality narration for technical documentation or system alerts.
- Integrating voice feedback into automated workflows for smart home or lab environments.
How jarvis-vocal Works
- The user provides a text string to the jarvis-speak or jarvis-tts command interface.
- The Piper TTS engine loads the locally stored ONNX voice model trained on movie-accurate lines.
- The text is processed into a high-quality WAV audio file or stream locally on the machine.
- If configured with Openclaw Skills nodes, the audio is pushed via ADB over a network like Tailscale to a connected Android device.
- The recipient device plays the audio locally, providing immediate vocal feedback from the AI.
jarvis-vocal Setup
To begin using this voice synthesis tool within Openclaw Skills, follow these steps:
Prerequisites
pipx install piper-tts
sudo apt install ffmpeg
Model Installation
Download the required assets to the specified directory:
mkdir -p ~/.local/share/piper/voices/en_GB
cd ~/.local/share/piper/voices/en_GB
hf download jgkawell/jarvis en/en_GB/jarvis/high/jarvis-high.onnx --local-dir .
hf download jgkawell/jarvis en/en_GB/jarvis/high/jarvis-high.onnx.json --local-dir .
jarvis-vocal Data Schema & Taxonomy
The skill manages audio assets and configuration parameters as follows:
| Component | Type | Path / Detail |
|---|---|---|
| Voice Models | ONNX | ~/.local/share/piper/voices/en_GB/ |
| Output Files | WAV | Local directory or /sdcard/Download/ on Android |
| Config | Scripts | jarvis-speak configuration defaults (speed, volume) |
| Meta Data | JSON | Sidecar files for ONNX model parameters |
jarvis-vocal Advanced Features
- Multi-quality model support: Choose between high-fidelity (114MB) or performance-optimized medium (63MB) models.
- Real-time streaming: Direct audio pipe via ADB for ultra-low latency response in Openclaw Skills setups.
- Remote execution: Integrated support for Tailscale networking to reach Android nodes anywhere.
- Custom length-scaling: Adjustable speech rates to match the personality of your AI agent.
SKILL.md
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