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🎙️ VideoAgent Audio Studio

Use when: User asks to generate speech, narrate text, create a voice-over, compose music, or produce a sound effect.

VideoAgent Audio Studio is a smart audio dispatcher. It analyzes your request and routes it to the best available model — ElevenLabs for speech and music, fal.ai for fast SFX — and returns a ready-to-use audio URL.

Quick Reference

How to Use

1. Start the AudioMind server (once per session)

bash {baseDir}/tools/start_server.sh

This starts the ElevenLabs MCP server on port 8124. The skill uses it for all audio generation.

2. Route the request

Analyze the user's request and call the appropriate tool via the MCP server:

Text-to-Speech (TTS)

When user asks to "narrate", "read aloud", "say", or "create a voice-over":

Use MCP tool: text_to_speech
  text: "<the text to narrate>"
  voice_id: "JBFqnCBsd6RMkjVDRZzb"   # Default: "George" (professional, neutral)
  model_id: "eleven_multilingual_v2"   # Use "eleven_turbo_v2_5" for low latency

Music Generation

When user asks to "compose", "create background music", or "make a soundtrack":

Use MCP tool: text_to_sound_effects  (via cassetteai-music on fal.ai)
  prompt: "<music description, e.g. 'upbeat lo-fi hip hop, 90 seconds'>"
  duration_seconds: <duration>

Sound Effect (SFX)

When user asks for a specific sound (e.g., "a door creaking", "rain on a window"):

Use MCP tool: text_to_sound_effects
  text: "<sound description>"
  duration_seconds: <1-22>

Voice Cloning

When user provides an audio sample and wants to clone the voice:

Use MCP tool: voice_add
  name: "<voice name>"
  files: ["<audio_file_url>"]

Example Conversations

User: "Voice this text for me: Welcome to our product launch"

→ Route to: text_to_speech
  text: "Welcome to our product launch"
  voice_id: "JBFqnCBsd6RMkjVDRZzb"
  model_id: "eleven_multilingual_v2"

🎙️ Voiceover done! Listen here

User: "Generate 60 seconds of relaxing background music for a podcast"

→ Route to: cassetteai-music (fal.ai)
  prompt: "relaxing lo-fi background music for a podcast, gentle piano and soft beats, 60 seconds"
  duration_seconds: 60

🎵 Background music ready! Listen here

User: "Generate a sci-fi style door opening sound effect"

→ Route to: text_to_sound_effects
  text: "a futuristic sci-fi door sliding open with a hydraulic hiss"
  duration_seconds: 3

Setup

Required

Set ELEVENLABS_API_KEY in ~/.openclaw/openclaw.json:

{
  "skills": {
    "entries": {
      "videoagent-audio-studio": {
        "enabled": true,
        "env": {
          "ELEVENLABS_API_KEY": "your_elevenlabs_key_here"
        }
      }
    }
  }
}

Get your key at elevenlabs.io/app/settings/api-keys.

Optional (for fal.ai music & SFX models)

"FAL_KEY": "your_fal_key_here"

Get your key at fal.ai/dashboard/keys.

Self-Hosting the Proxy

The cli.js connects to a hosted proxy by default. If you want full control — or need to serve users in regions where vercel.app is blocked — you can deploy your own instance from the proxy/ directory.

Quick Deploy (Vercel)

cd proxy
npm install
vercel --prod

Environment Variables

Set these in your Vercel project (Dashboard → Settings → Environment Variables):

Point cli.js to Your Proxy

export AUDIOMIND_PROXY_URL="https://your-domain.com/api/audio"

Or set it in ~/.openclaw/openclaw.json:

{
  "skills": {
    "entries": {
      "videoagent-audio-studio": {
        "env": {
          "AUDIOMIND_PROXY_URL": "https://your-domain.com/api/audio"
        }
      }
    }
  }
}

Custom Domain (Recommended)

If your users are in mainland China, bind a custom domain in Vercel Dashboard → Settings → Domains to avoid DNS issues with vercel.app.

Model Reference

Changelog

v3.0.0

• Simplified routing table : Removed unstable/offline models from the main reference. The skill now only surfaces models that reliably work.
• Clearer use-case triggers : Added "Use when" section so the agent activates this skill at the right moment.
• Unified setup : Single ELEVENLABS_API_KEY is all you need to get started. FAL_KEY is now optional.
• Removed polling complexity : Music generation now uses cassetteai-music by default, which completes synchronously.

v2.1.0

• Added async workflow for long-running music generation tasks.
• Added cassetteai-music as a stable alternative for music generation.

v2.0.0

• Migrated to ElevenLabs MCP server architecture.
• Added voice cloning support.

v1.0.0

• Initial release with TTS, music, and SFX routing.

Weekly Installs

3.3K

Repository

pexoai/pexo-skills

GitHub Stars

358

First Seen

Mar 6, 2026

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