John built a CLI called Sketch that wraps Gemin...
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John built a CLI called Sketch that wraps Gemini with preloaded prompts Tell it a website type color scheme and number of variations it generates all of them The whole point stop reinventing your prompts every time Build small tools that remember them for you Full ep on YouTube in bio howiai gemini coding

Apr 06, 2026
249 words 80% confidence
This is one I'm working on called Sketch. This feeds into the Gemini CLI. What type of website do I want to build? Let's do a store for selling Christmas decorations. The homepage of that, let's make it creative and artistic. Desktop website, we'll do the GitHub light theme for it. No reference image. Let's do five images and go ahead and generate it. You can tell an AI this is a wrapper around Gemini, where it will execute Gemini with specific prompts. You have to remember that you have these tools on your desktop, which can do incredible things, but you can also script them. And this is a scripted way of generating images based on all these topics with these concepts with preloaded prompts. You just go in there and say, please tweak the prompts or please add this feature, please do this. And then instead of constantly thinking of, oh, what was that prompt again? Or what was that idea I had? You can have these little CLIs and these little projects that are just for you. Now this is Gemini generating based on the prompt we fed in, based on the color scheme. This is GitHub light Christmas store color theme. And I told it to generate five variations of it. And then we could take one of these images and drop it into one of the AIs and say, let's start building out this website. Let's break this into sections and go from there.

Summary

John's Sketch CLI simplifies image generation with Gemini by allowing users to input website types and color schemes, avoiding repetitive prompt creation.

Key Points

  1. Sketch is a CLI that wraps around Gemini for image generation.
  2. Users can specify website type, color scheme, and variations.
  3. It helps avoid reinventing prompts for each project.
  4. You can script tools to generate images based on preloaded prompts.
  5. The CLI allows for easy tweaking of prompts and features.
  6. Generated images can be used to build out website sections.

Tags

cli-tools image-generation web-development gemini prompts

Repurpose Ideas

  • LinkedIn post: How to streamline image generation with CLI tools
  • Tweet: Tips for using Sketch CLI with Gemini for web design
  • Checklist: Set up your own CLI for automated image prompts

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