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voicebox-voice-synthesis — Claude Code skill: local TTS and voice

Tells your agent how to run Voicebox and talk to its REST API on localhost:17493: speech generation, voice profiles, effects, queue.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add reason-machines/trending-skills --skill voicebox-voice-synthesis -a claude-code
Open on GitHub

What voicebox-voice-synthesis does

Voicebox is a local-first TTS studio with voice cloning that runs on your own machine: MLX/Metal on macOS, CUDA on Windows and Linux, CPU as a fallback. The skill hands the agent working recipes for that stack — how to build and start the studio, how to hit /generate, /profiles, /generations and /models, how to wire up a TypeScript client, and how to wait on results over SSE.

Inside you get the from-source install steps (just setup, just dev), a REST reference with curl examples, TypeScript wrappers for generation and status polling, and an architecture table covering Tauri, React, FastAPI and SQLite. Five synthesis engines are covered, along with the paralinguistic tags that only chatterbox-turbo understands.

Building from source needs Bun, Rust, Python 3.11+ and the Tauri prerequisites, and Linux has no pre-built binary — you compile it yourself. If all you want is speech output, grab a pre-built binary or Docker instead; the skill earns its place when you are digging into the code or the API.

What it helps with

  • build Voicebox from source and start the backend with the desktop app
  • generate speech from text and a voice profile over REST
  • create a profile, upload a sample and export it as an archive
  • wait for a generation to finish over SSE instead of polling by hand
  • pick a synthesis engine for the job and free GPU memory

Example prompts for the agent

  • Build Voicebox from source and run it in dev mode
  • POST to /generate with the text and profile_id, then fetch the audio
  • Write a TypeScript client that waits for the generation over SSE

How to install voicebox-voice-synthesis

1Skills CLI (Vercel)

npx skills add reason-machines/trending-skills --skill voicebox-voice-synthesis -a claude-code

2Manually: put the files in place

~/.claude/skills/voicebox-voice-synthesis/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/voicebox-voice-synthesis/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about voicebox-voice-synthesis

How do I install voicebox-voice-synthesis in Claude?

Run npx skills add reason-machines/trending-skills --skill voicebox-voice-synthesis -a claude-code. The skill lands at ~/.claude/skills/voicebox-voice-synthesis/SKILL.md.

What does voicebox-voice-synthesis do?

It gives the agent instructions for local speech synthesis and voice cloning in Voicebox: install, startup, the REST API on localhost:17493, and a TypeScript client.

What do I need to build Voicebox from source?

Bun, Rust, Python 3.11+ and the Tauri prerequisites. Linux has no pre-built binary, so building is the only route.

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