Skills speak

Name: speak
Author: openclaw

Text-to-speech using Kokoro local TTS. Use when the user wants to convert text to audio, read aloud, or generate speech.

install

source · Clone the upstream repo

git clone https://github.com/openclaw/skills

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/openclaw/skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/babysor/sayit" ~/.claude/skills/openclaw-skills-speak && rm -rf "$T"

OpenClaw · Install into ~/.openclaw/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/openclaw/skills "$T" && mkdir -p ~/.openclaw/skills && cp -r "$T/skills/babysor/sayit" ~/.openclaw/skills/openclaw-skills-speak && rm -rf "$T"

manifest: skills/babysor/sayit/SKILL.md

speak

Convert text to speech locally with Kokoro TTS.

Quick start

# Text string → audio file
kokoro-tts <(echo "Hello world") hello.wav --voice af_sarah

# Text file → audio
kokoro-tts article.txt out.wav --voice af_heart

# Chinese
kokoro-tts story.txt out.wav --voice zf_xiaoni --lang cmn

# EPUB / PDF → chapter audio files
kokoro-tts book.epub --split-output ./chapters/ --format mp3 --voice bf_emma

# Voice blending (60-40 mix)
kokoro-tts input.txt out.wav --voice "af_sarah:60,am_adam:40"

# Adjust speed
kokoro-tts input.txt out.wav --voice am_adam --speed 1.2

# Stream playback (no file saved)
kokoro-tts input.txt --stream --voice af_nova

Install

uv tool install kokoro-tts

Model files (

kokoro-v1.0.onnx

voices-v1.0.bin

) must be in the working directory. Download once:

wget https://github.com/nazdridoy/kokoro-tts/releases/download/v1.0.0/kokoro-v1.0.onnx
wget https://github.com/nazdridoy/kokoro-tts/releases/download/v1.0.0/voices-v1.0.bin

Voices at a glance

Region	Female	Male
🇺🇸 en-us	af_alloy af_heart af_sarah af_nova ...	am_adam am_echo am_michael ...
🇬🇧 en-gb	bf_alice bf_emma bf_lily ...	bm_daniel bm_george ...
🇨🇳 cmn	zf_xiaoni zf_xiaoxiao zf_xiaoyi ...	zm_yunxi zm_yunyang ...
🇯🇵 ja	jf_alpha jf_nezumi ...	jm_kumo
🇫🇷 fr-fr	ff_siwis	—
🇮🇹 it	if_sara	im_nicola

For full voice list, options, and input format details, see reference.md.