An AI-driven design engine specialized in crafting high-conversion YouTube and social media thumbnails using psychology and A/B testing frameworks.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install ah-thumbnail-designer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install ah-thumbnail-designer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Thumbnail Designer?
The Thumbnail Designer is a specialized AI skill designed to bridge the gap between creative design and data-driven performance. It leverages advanced design principles, including visual psychology and color strategy, to ensure every asset is optimized for maximum engagement. As part of the ecosystem of Openclaw Skills, this tool provides a structured approach to generating visual content that captures attention in crowded feeds.
Whether you are managing a YouTube channel or a social media portfolio, this skill integrates seamlessly into your workflow to produce consistent, high-quality graphics. It focuses on critical elements like text overlay optimization and facial expression prominence to ensure that your visuals are not just beautiful, but also effective at driving clicks.
Thumbnail Designer Use Cases
- Designing high-CTR YouTube thumbnails based on video hooks and titles.
- Generating batch social media graphics for consistent brand presence across platforms.
- Running A/B tests on visual variants to determine the most effective design elements.
- Optimizing existing image assets for mobile readability and high contrast performance.
How Thumbnail Designer Works
- The AI gathers a creative brief identifying the core video topic, hook, and brand requirements.
- It conducts niche-specific research to analyze current high-performing visual trends and competitor styles.
- Multiple layout concepts are sketched to explore different structural hierarchies and text placements.
- Primary designs are generated using AI-powered prompts specifically tuned for high-impact visuals.
- Variants are produced to facilitate rigorous A/B testing based on variables like facial expressions or color schemes.
- A final review ensures the assets are readable at small sizes (e.g., 100px) and exported in required formats.
Thumbnail Designer Setup
To integrate the Thumbnail Designer into your environment, follow these steps to add it to your collection of Openclaw Skills.
# Clone the skill repository into your project
git clone https://github.com/openclaw/thumbnail-designer.git
# Install the necessary design framework dependencies
npm install
# Configure your brand assets and API keys in the config file
# Initialize the skill via CLI
openclaw-cli install thumbnail-designer
Thumbnail Designer Data Schema & Taxonomy
The skill organizes its design logic and testing parameters through a structured TypeScript schema to ensure consistent output quality.
| Object | Description |
|---|---|
| ThumbnailTest | Orchestrates the testing lifecycle, including variants, metrics, and duration. |
| ThumbnailVariant | Defines unique IDs, image paths, hypotheses, and specific variables tested. |
| TestVariable | Categorizes testable elements such as face-expression, layout, or color-scheme. |
| TESTING_GUIDELINES | Provides constraints like minimum sample size and testing duration. |
Thumbnail Designer Advanced Features
- Multi-variant A/B testing framework with automated winner criteria selection.
- Dynamic template library for rapid batch generation of social media assets.
- Sophisticated AI prompt engineering designed for top-tier image generation models.
- Automated contrast and readability checks optimized for mobile devices within Openclaw Skills.
- Strategic priority mapping to identify which design variables yield the highest impact on CTR.
SKILL.md
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