Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Give Your Agent A Voice: x402 pay-per-call speech on Base with 20 voices, 10 personas, 31 languages, granular speed/quality controls, OpenAI-shaped requests, voice samples, and batch audio.
High-quality Supertone TTS API: generate speech, search & preview the voice catalog, predict duration/cost, and clone voices. Korean, English, Japanese, and 20+ more languages. Install via uvx supertone-mcp.