Skill turns an MP3 recording into an explainer video in 10 minutes

The author built a skill that turns an MP3 recording into an explainer video in about 10 minutes, using a self-developed pipeline rather than existing animation libraries. After several iterations the output has become fairly stable.

The post argues that while Opus 5.5 is available to everyone, the harness layer—judgment about video workflow, visual style, and technical approach—determines whether results reach a quality standard.