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Local text-to-speech using Piper ONNX voices - fast, private, no cloud needed.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
| name | piper-tts |
| description | Local text-to-speech using Piper ONNX voices - fast, private, no cloud needed. |
| metadata | {"openclaw":{"emoji":"🔊","requires":{"bins":["ffmpeg"]}}} |
Fast local text-to-speech using Piper ONNX voices. Runs entirely offline with no cloud dependencies. Supports multiple languages and voice styles.
# Default voice (en_US-amy-medium)
~/.openclaw/skills/piper-tts/scripts/piper-tts.py "Hello, how are you today?"
# Select a specific voice
~/.openclaw/skills/piper-tts/scripts/piper-tts.py "Guten Tag" -v de_DE-thorsten-medium
# Pipe text from stdin
echo "Read this aloud" | ~/.openclaw/skills/piper-tts/scripts/piper-tts.py -
# Custom output path and format
~/.openclaw/skills/piper-tts/scripts/piper-tts.py "Hello" -o greeting.mp3 -f mp3
# Adjust speaking rate and send to Matrix room
~/.openclaw/skills/piper-tts/scripts/piper-tts.py "Slow and steady" --rate 0.8 --room-id '!abc:matrix.org'
# List available downloaded voices
~/.openclaw/skills/piper-tts/scripts/piper-tts.py --list-voices
# Quiet mode (suppress progress)
~/.openclaw/skills/piper-tts/scripts/piper-tts.py "Hello" --quiet
-v/--voice: Voice model name (default: en_US-amy-medium)-o/--output: Output file path (default: auto-generated in /tmp)-f/--format: Output format: wav, mp3, ogg (default: wav)--rate: Speaking rate multiplier, 0.5-2.0 (default: 1.0)--room-id: Matrix room ID to send audio to--list-voices: List downloaded voice models-q/--quiet: Suppress progress messagesPiper supports 900+ voices across 60+ languages. Voice models are auto-downloaded from HuggingFace on first use.
| Voice | Language | Quality |
|---|---|---|
en_US-amy-medium (default) | English (US) | Medium |
en_US-lessac-high | English (US) | High |
en_GB-alba-medium | English (UK) | Medium |
de_DE-thorsten-medium | German | Medium |
fr_FR-siwis-medium | French | Medium |
es_ES-davefx-medium | Spanish | Medium |
| Voice Quality | Synthesis Time (100 words) | RTF |
|---|---|---|
| Medium | ~0.3s | 0.04x |
| High | ~0.8s | 0.10x |
{
"tools": {
"media": {
"tts": {
"enabled": true,
"models": [
{
"type": "cli",
"command": "~/.openclaw/skills/piper-tts/scripts/piper-tts.py",
"args": ["--quiet", "-f", "ogg", "-o", "{{OutputPath}}", "{{Text}}"],
"timeoutSeconds": 30
}
]
}
}
}
}
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