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thumbnail-prompter

v1.0.0

Published

Claude Code slash command — analyzes thumbnails, extracts viral DNA, generates image prompts for your video topic

Readme

thumbnail-prompter

Claude Code slash command that analyzes reference thumbnails, silently learns the viral patterns, then generates custom image prompts for YOUR video topic.

Install (one command)

npx thumbnail-prompter

That's it. It copies the skill to ~/.claude/commands/ and it works globally in every Claude Code session.

Usage

/thumbnail-prompter ./path/to/thumbnails

What happens:

  1. It reads every image in the folder (Claude actually sees them — multimodal)
  2. Silently extracts the viral DNA — patterns, colors, composition, psychology
  3. Asks you: "What's your video topic?"
  4. Generates 3 paste-ready image prompts tailored to your topic using the patterns it learned

You get prompts ready for Midjourney, DALL-E, Ideogram, or Flux — not generic templates, but prompts that match the exact style of your reference thumbnails.

Example

/thumbnail-prompter ./youtube-saves

> I've analyzed 5 thumbnails and extracted the viral DNA patterns.
> What's your video topic or title?

A free WhisperFlow alternative that's unlimited

> [Generates 3 detailed prompt variations with the viral patterns applied]

Works great with

YouTube Tab Saver — Chrome extension that downloads thumbnails from your open YouTube tabs as a ZIP.

  1. Open YouTube tabs → YouTube Tab Saver → Save ZIP
  2. Unzip
  3. /thumbnail-prompter ./youtube-saves

For AI Studio / NotebookLM / ChatGPT

Copy the contents of thumbnail-prompter.md → paste as System Prompt → upload images → say "analyze these, then I'll give you my topic."

License

MIT