An AI-powered skill to automate high-quality text-to-speech voice message delivery on WhatsApp in over 40 languages.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install tts-whatsapp
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 tts-whatsapp 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 TTS WhatsApp Voice Messaging?
The TTS WhatsApp skill is a powerful tool designed to bridge the gap between text-based AI interactions and vocal communication. By leveraging the Piper engine, this skill within the Openclaw Skills ecosystem allows users to generate and send natural-sounding voice messages directly to individual contacts or groups on WhatsApp. It streamlines the process of multilingual communication, making it an essential addition for developers using Openclaw Skills for automated notifications or personalized messaging.
This skill eliminates the need for manual recording by converting text to high-quality audio and handling the delivery lifecycle automatically. It is optimized for speed and reliability, ensuring that voice messages reach their destination in seconds. Whether you are building an alert system or an interactive bot, this component of Openclaw Skills provides a robust foundation for voice-based outreach.
TTS WhatsApp Voice Messaging Use Cases
- Sending automated voice notifications to WhatsApp groups for server alerts.
- Personalizing customer outreach with high-quality voice messages in native languages.
- Creating multilingual broadcast messages for international teams using Openclaw Skills.
- Rapidly prototyping voice-based communication workflows without manual recording.
- Automating daily briefings or reminders sent as voice notes to mobile devices.
How TTS WhatsApp Voice Messaging Works
- The user provides a text string and a target WhatsApp number or group ID via the command line or an agent interface.
- The Piper TTS engine generates a high-quality audio file based on the specified language and voice model stored locally.
- FFmpeg automatically converts the raw audio into the OGG/Opus format required by the WhatsApp protocol.
- The skill utilizes Clawdbot to deliver the processed voice message to the designated recipient.
- A smart cleanup process automatically deletes the temporary audio files once delivery is confirmed to maintain system cleanliness.
TTS WhatsApp Voice Messaging Setup
To integrate this skill into your Openclaw Skills environment, follow these steps:
- Install the Piper TTS engine:
pip3 install --user piper-tts
- Install FFmpeg for audio conversion:
# macOS
brew install ffmpeg
# Linux
sudo apt install ffmpeg
Download your preferred voice models from Hugging Face and place them in the following directory:
~/.clawdbot/skills/piper-tts/models/Enable the skill in your Openclaw Skills configuration file located at
~/.clawdbot/clawdbot.json.
TTS WhatsApp Voice Messaging Data Schema & Taxonomy
The skill manages voice models and temporary audio files using a structured metadata approach. Key configuration parameters include:
| Parameter | Type | Description |
|---|---|---|
| WHATSAPP_DEFAULT_TARGET | String | The default recipient number or group ID for messages. |
| PIPER_DEFAULT_LANG | String | The ISO language code for synthesis (e.g., en_US, fr_FR). |
| PIPER_DEFAULT_VOICE | String | The specific name of the Piper voice model to use. |
| PIPER_DEFAULT_QUALITY | String | Audio quality level (low, medium, or high). |
| PIPER_DEFAULT_SPEED | Float | The playback speed of the generated voice (default: 1.0). |
TTS WhatsApp Voice Messaging Advanced Features
- Support for 40+ languages and various regional accents for global reach.
- Adjustable playback speed to customize the delivery of generated voice messages.
- Group broadcast capabilities, allowing messages to be sent to group IDs as easily as individual numbers.
- High-speed processing, typically delivering messages in under 3 seconds from command to send.
- Automatic file management with smart cleanup to prevent disk bloat.
- Seamless integration with other Openclaw Skills for building complex, multi-step automation workflows.
SKILL.md
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