cyberneticlibrary

Create product demo videos

demo-videoskillsetup L317,464
alirezarezvani/claude-skills
What it does

Produce polished demo videos from scene descriptions and screenshots

Best for

Orchestrates browser automation, TTS, and video compositing in a single workflow—saves hours on manual video production.

Inputs
  • · story structure
  • · scene descriptions or HTML files
  • · narration text
Outputs
  • · scenes/ HTML
  • · scenes.json manifest
  • · narration/ text files
  • · build.sh pipeline script
Requires
  • · Playwright MCP (for screenshots)
  • · edge-tts MCP (for narration)
  • · ffmpeg (for compositing)
Preconditions

MCP tools available or fallback to manual mode; screenplay structure defined

Failure modes

Black frames if scene duration zero; audio/video sync drift if ffmpeg concat incorrect; visual focus unclear if no design system

Trust signals
  • · scene-design-system.md enforces visual consistency
  • · HTML templates with animation timing curves
  • · quality checklist prevents common anti-patterns (slideshow pacing, wall-of-text)