The Ecom Meta Testing OS skill provides a professional framework for media buyers to run systematic experiments on Meta's advertising platform. It enforces strict naming conventions and UTM structures to ensure data integrity, utilizes a creative matrix for rapid testing of various angles and variants, and implements spend-gated guardrails to prevent premature optimization. By automating the daily operator checklist and logging learnings into a centralized registry, this skill transforms ad testing from a manual process into a compounding feedback loop that scales winning creatives efficiently while maintaining strict performance standards.