Make a Claude skill for creating YouTube thumbnails.

This tutorial will teach you how to create a custom Claude Skill that uses your brand requirements and an analysis of top-performing videos to automatically create customized YouTube thumbnails. Step-by-step: After turning on "Code execution & file creation" under Claude Settings → Capabilities, navigate to the Skills section, toggle "skill-creator," and select "Try in Chat." Launch chat, submit your logo, and respond with the following prompt: "Develop a skill that produces thumbnails with a high click-through rate." It should use the PIL library to create thumbnails with a logo in the upper-right corner after analyzing YouTube video links. Use the colors blue, white, and black. To install your Thumbnail Generator Skill, download the created ZIP file, navigate to Profile → Settings → Capabilities → Upload Skill, and then drop the ZIP. Launch a new chat window with the command, "Create a YouTube thumbnail for 'AI Productivity Tools 2025'. These are the most popular videos: [paste URLs]. Make a high-CTR thumbnail using brand colors and your logo in the top-right corner. Use follow-ups like "Make text bolder with Sans Serif" or "Use Roboto font" to refine output until you have the ideal thumbnail. Create more productivity skills using this method, such an email marketing campaign skill or a presentation creation skill for automated slide decks.