Local, on-device text-to-speech for Claude & Cursor. No API key, no cloud. Powered by Supertonic 3 — 10
voices, 31 languages, inline expression tags (<laugh>, <pause>, etc.). ~820ms synthesis on Apple Silicon. MIT licensed.
Server Config
{
"mcpServers": {
"supertonic3": {
"command": "uvx",
"args": [
"supertonic3-mcp"
]
}
}
}