What this skill does
Windows SAPI5 text-to-speech with Neural voices. Lightweight alternative to GPU-heavy TTS - zero GPU usage, instant generation. Auto-detects best available voice for your language. Works on Windows 10/11.
Sapi Tts is part of the Data & APIs category — data and API skills that fetch, query, and work with external data sources. You can install it on its own or alongside other data & apis skills from the OpenClaw catalog.
How to install Sapi Tts
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
sapi-ttsand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Sapi Tts with a single command:
openclaw skills add sapi-tts
This pulls sapi-tts from ClawHub and installs it into ~/.openclaw/skills/sapi-tts/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Sapi Tts
Once installed, Sapi Tts activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Putting audio in front of an audience
Sapi Tts works with audio. Getting from there to something postable is a separate job: ViralMint — an open-source video pipeline — pairs audio with footage or generated visuals, burns synced captions, and exports a finished short.
It runs as an MCP server, so an OpenClaw agent can drive it from the same chat you already use: ask for a short, and the render comes back finished. See how to connect a video pipeline to your agent.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
sapi-tts-1.1.0.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/sapi-tts/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Sapi Tts?
Install Sapi Tts in the OpenClaw Easy desktop app by opening the Skills panel, searching for sapi-tts, and clicking Install. From a terminal you can run: openclaw skills add sapi-tts. Either way the skill is placed in ~/.openclaw/skills/sapi-tts/.
Is Sapi Tts free?
Yes. Sapi Tts is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Sapi Tts do?
Windows SAPI5 text-to-speech with Neural voices. Lightweight alternative to GPU-heavy TTS - zero GPU usage, instant generation. Auto-detects best available voice for your language. Works on Windows 10/11.
Related: more data & apis skills
If Sapi Tts looks useful, you may also want to check out other data & apis skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models