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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
CLIPACANVAS_FFMPEG_EXENoPath to FFmpeg executable (optional, auto-detected if not set)
CLIPACANVAS_MAX_DURATIONNoMaximum render duration in seconds (optional, default: 12)
CLIPACANVAS_BROWSERS_PATHNoPath to Playwright browsers directory (optional, auto-detected if not set)

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
render_videoA

Render HTML, CSS, and JavaScript code to an MP4 video using Chromium (headless) and FFmpeg. Supports CSS animations, WAAPI, SVG, and canvas animations. Returns the video as base64-encoded MP4.

render_video_to_fileA

Same as render_video but saves the resulting MP4 directly to a file path on disk instead of returning base64. Useful for integrating with other tools or when dealing with large videos.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription
FFmpeg ConfigurationFFmpeg path and version info
Render OptionsDefault render options

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