Claude Design System Prompt Repository Released
github.comMonday, July 6, 2026
- •Trystan-SA released a reverse-engineered system prompt and skill library on GitHub.
- •The tool transforms LLMs into opinionated, accessibility-aware design collaborators.
- •The project explicitly aims to prevent the generation of low-quality AI-slop content.
The Claude Design System Prompt is a GitHub repository by Trystan-SA that contains a reverse-engineered system prompt and skill library. This resource is designed to transform a large language model (LLM) into a specialized design collaborator. It emphasizes an opinionated, accessibility-aware approach while explicitly resisting the generation of low-quality AI content, often referred to as AI-slop. The project recently gained attention on Hacker News, where it earned 98 points and 26 comments.