thumbnail-psychology
YouTube thumbnail visual psychology skill. Provides color theory, composition principles, CTR optimization patterns, and mobile readability checklists. Referenced by the thumbnail-designer agent when designing visually effective thumbnails. Also used standalone for requests like 'how to make great thumbnails' or 'thumbnails that boost click-through rate.' Actual image generation falls under the gemini-3-pro-imagegen skill.
Installation and usage
YouTube thumbnail visual psychology skill. Provides color theory, composition principles, CTR optimization patterns, and mobile readability checklists. Referenced by the thumbnail-designer agent when designing visually effective thumbnails. Also used standalone for requests like 'how to make great thumbnails' or 'thumbnails that boost click-through rate.' Actual image generation falls under the gemini-3-pro-imagegen skill.
インストール後、ターミナルで以下のコマンドを実行してこのスキルを使用できます：
skills use thumbnail-psychology