Can I customize the brand colors and aesthetic?

While pre-configured for the Skill Stack aesthetic (terracotta and cream), the underlying prompting logic can be modified within the SKILL.md to suit other brand identities.

How do I provide the Gemini API key?

The skill expects a GEMINI_API_KEY to be available in your .env.local file or exported in your terminal environment.

What API does this skill use for image generation?

This skill utilizes the Google Gemini API to generate images based on the structured prompts it develops.

What file format and aspect ratio are produced?

The skill generates 16:9 landscape PNG images, specifically optimized for blog headers and social media thumbnails.

Is the image generation process fully autonomous?

No, the skill is designed with a mandatory 'Step 2' where it presents visual concepts for user approval before proceeding to final generation.

Skill Stack Image Generator

Name: Skill Stack Image Generator
Author: cdeistopened

bycdeistopened

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Content Management

Generates on-brand, minimal editorial thumbnails for blog posts using an iterative concept-to-creation workflow.

The Skill Stack Image Generator is a specialized Claude Code skill designed to produce high-quality, professional thumbnails that align with a specific editorial brand identity. It automates the creative process by analyzing blog content, brainstorming visual metaphors, and crafting sophisticated prompts for the Gemini API. By adhering to a strict visual language of paper textures, minimal shapes, and a signature terracotta accent, it ensures consistent branding across all content assets while maintaining a human-in-the-loop approval process for final designs.

Key Features

01Automated prompt engineering optimized for the Gemini Image Generation API

02Structured iterative workflow with a mandatory concept approval gate

031 GitHub stars

04Direct integration with local project directories for automated file naming and saving

05Context-aware visual brainstorming based on blog post titles and themes

06Strict adherence to Skill Stack’s minimal, Anthropic-adjacent brand identity

Use Cases

01Scaling a professional brand aesthetic across large volumes of digital documentation

02Automating visual asset creation for content marketplaces and newsletters

03Generating consistent featured images for technical and philosophical blog posts

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add cdeistopened/skill-stack images

For use in Claude.ai and ChatGPT

Download Skill