Supertonic3 MCP Server

MCP server for Supertonic 3 on-device text-to-speech

Local serverstdioPython

What is the Supertonic3 MCP Server?

MCP server for Supertonic 3 on-device text-to-speech

What it actually does

Local, on-device TTS for Claude & Cursor, powered by Supertonic 3. No API key. No cloud. An internal tool open-sourced by Halozen — we build AI compliance intelligence for construction.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
speakSynthesize text to a WAV file; returns absolute path + metadata
list_voicesBuilt-in voices (voice_id, gender)
list_expressionsInline tags ( , , …) with descriptions

How to install the Supertonic3 MCP Server

{
  "mcpServers": {
    "supertonic3": {
      "command": "/absolute/path/to/supertonic-tts/.venv/bin/supertonic3-mcp",
      "args": []
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Example prompts to try

  • “Use Supertonic3 to speak.”
  • “Use Supertonic3 to list voices.”
  • “Use Supertonic3 to list expressions.”

Frequently asked questions

MCP server for Supertonic 3 on-device text-to-speech Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.