thumbnail-prompt

Generate YouTube thumbnail image prompts from slidini scripts and slide data.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/snhrm/slidini --skill thumbnail-prompt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: thumbnail-prompt
Source: https://github.com/snhrm/slidini/tree/main/.claude/skills/thumbnail-prompt
Command: npx skills add https://github.com/snhrm/slidini --skill thumbnail-prompt

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill automates the creation of detailed prompts for AI image generation tools (like Gemini) to produce YouTube thumbnails, ensuring they match a specific channel's style and video content.

Core Features & Use Cases

  • Content Analysis: Reads video scripts (*-script.md) or slide data (.slide.json) to understand video content.
  • Style Matching: Generates prompts adhering to the "Tech News @ ATI Channel" thumbnail style guide.
  • Detailed Prompt Generation: Outputs specific instructions for background, colors, layout, text, and character placement.
  • Use Case: After writing a script for a new tech update video, use this Skill to get a ready-to-use prompt for creating a compelling thumbnail that aligns with your channel's branding.

Quick Start

Use the thumbnail-prompt skill to generate a YouTube thumbnail prompt based on the provided slidini project data.

Frequently Asked Questions about thumbnail-prompt

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate AI image prompts for YouTube thumbnails from video scripts?

You can generate AI image prompts for YouTube thumbnails by analyzing video scripts and slide data to extract titles, topics, and key figures. This process creates specific design instructions for background, colors, layout, and character placement to match your channel style.

How do I automate YouTube thumbnail prompt creation to match my channel branding?

Automating YouTube thumbnail prompt creation involves reading project script files and slide data to generate detailed design instructions. By adhering to a predefined channel style guide, the generated prompts ensure consistent branding across background, text elements, and character placement.

Can I use video slide data to create detailed thumbnail design instructions for AI image generation?

Yes, you can use video slide data to create thumbnail design instructions for AI image generation. The system analyzes JSON slide data and script markdown files to understand video content and output specific prompts for elements like layout, colors, and text.

What is the best way to structure AI image generation prompts for video marketing thumbnails?

The best way to structure AI image generation prompts for video marketing thumbnails is to include specific instructions for background, colors, layout, text elements, and character placement. Deriving these details from video content ensures the thumbnail aligns with the topic.

Does this thumbnail prompt generator work without manually entering video titles and topics?

It works without manual entry by directly reading slidini project scripts and slide data files. The tool automatically extracts video titles, topics, and key figures from these files to generate the necessary AI image prompts.

What are the limitations of using automated prompt engineering for YouTube thumbnails?

A limitation of automated prompt engineering for YouTube thumbnails is that outputs are restricted to a specific channel style guide. If your video content lacks clear slide data or script files, the generated design instructions for colors, layout, and text may lack necessary context.