Knight

The HeyGen video Skill generates short videos with sound from text, images, or reference media on Mac workflows.

This article explains why the creator built a HeyGen video Skill: refine a brief, choose settings, review the estimated cost, then generate and download a clip after confirmation. Prompt refinement can be used separately from paid generation.

imknight open-sources a HeyGen video Skill used on Codex Mac to generate videos from text/image inputs with sound.