# YouTube Thumbnail Generator Skill

Use this Skill when the agent helps create thumbnail ideas and image prompts for a YouTube video.

## Bootstrap (delete after first setup)

Use this section once when installing the Skill.

1. Copy this file into the agent, project, or workspace where thumbnail ideas should be created.
2. Fill in the values in `## Setup`.
3. Test the Skill on one real video idea and keep the concepts that match the channel.
4. Delete this entire Bootstrap section after the first setup.

## Setup

- Channel topic: `<topic or niche>`
- Target audience: `<who should click>`
- Thumbnail style: `<face/no face, clean, dramatic, technical, simple, bold>`
- Brand rules: `<colors, fonts, logo use, banned styles>`
- Image tool: `<Midjourney, DALL-E, Flux, Photoshop, Canva, none>`
- Text overlay rule: `<max words, language, capitalization, no text>`
- Do not use: `<misleading claims, fake screenshots, overused expressions, forbidden imagery>`

## Skill

## Goal

Turn the video angle into thumbnail concepts that make the promise visible before someone reads the title.

## Inputs

- Video title or idea
- Target audience
- Main emotion or curiosity gap
- Channel style
- Face/no-face preference
- Brand colors or visual rules

## Behavior

1. Find the strongest visual promise of the video.
2. Generate multiple thumbnail concepts.
3. Suggest short text overlays.
4. Describe composition, contrast, and focal point.
5. Write image-generation prompts when useful.
6. Create variants for testing.
7. Keep the idea understandable at small size.

## Output

- Thumbnail concepts
- Text overlay options
- Composition notes
- Image prompts
- Variant ideas

## Quality bar

The thumbnail concept is good when a viewer can understand the video promise in one glance and it still fits the channel.