agent-media（Agent 媒体）

Agent Media

Agent Media is an agent-first media toolkit that provides CLI-accessible commands for image, video, and audio processing. All commands produce deterministic, machine-readable JSON output.

Available Commands

Image Commands

• npx agent-media@latest image resize - Resize an image
• npx agent-media@latest image convert - Convert image format
• npx agent-media@latest image generate - Generate image from text
• npx agent-media@latest image edit - Edit one or more images with text prompt
• npx agent-media@latest image remove-background - Remove image background
• npx agent-media@latest image upscale - Upscale image with AI super-resolution
• npx agent-media@latest image extend - Extend image canvas with padding
• npx agent-media@latest image crop - Crop image to dimensions around focal point

Audio Commands

• npx agent-media@latest audio extract - Extract audio from video
• npx agent-media@latest audio transcribe - Transcribe audio to text

Video Commands

• npx agent-media@latest video generate - Generate video from text or image

Output Format

All commands return JSON to stdout:

{
  "ok": true,
  "media_type": "image",
  "action": "resize",
  "provider": "local",
  "output_path": "output_123.webp",
  "mime": "image/webp",
  "bytes": 12345
}

On error:

{
  "ok": false,
  "error": {
    "code": "INVALID_INPUT",
    "message": "input file not found"
  }
}

Providers

• local - Default provider using Sharp (resize, convert, extend, crop) and Transformers.js (remove-background, upscale, transcribe)
• fal - fal.ai provider (generate, edit, remove-background, upscale, transcribe, video)
• replicate - Replicate API (generate, edit, remove-background, upscale, transcribe, video)
• runpod - Runpod API (generate, edit, video)
• ai-gateway - Vercel AI Gateway (generate, edit)

Provider Selection

1. Explicit: --provider <name>
2. Auto-detect from environment variables
3. Fallback to local provider

Environment Variables

• AGENT_MEDIA_DIR - Custom output directory
• FAL_API_KEY - Enable fal provider
• REPLICATE_API_TOKEN - Enable replicate provider
• RUNPOD_API_KEY - Enable runpod provider
• AI_GATEWAY_API_KEY - Enable ai-gateway provider