gsd-sketch

Generate throwaway HTML mockups with design variants and state tracking.

1|Updated Apr 4, 2026
One-click install
npx skills add https://github.com/nnexai/git-stacks --skill gsd-sketch-nnexai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gsd-sketch
Source: https://github.com/nnexai/git-stacks/tree/main/.codex/skills/gsd-sketch
Command: npx skills add https://github.com/nnexai/git-stacks --skill gsd-sketch-nnexai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill solves the friction of moving from abstract design ideas to concrete visual representations by automating the creation of throwaway HTML mockups.

Core Features & Use Cases

  • Idea Mode: Quickly generate 2-3 design variants based on a natural language description.
  • Frontier Mode: Analyze existing design landscapes to propose consistent new sketches.
  • Use Case: When brainstorming a new feature, use this to visualize layout options and interaction patterns before writing production code.

Quick Start

Invoke the gsd-sketch skill to generate three design variants for a new dashboard sidebar layout.

Frequently Asked Questions about gsd-sketch

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

FAQPage Schema
How do I rapidly prototype UI ideas with HTML mockups?

To rapidly prototype UI ideas with HTML mockups, generate throwaway variants based on natural language descriptions. This approach decomposes design prompts into variant sets, allowing you to explore visual directions and interaction patterns before writing production code.

What is the best way to generate design variants for a new feature?

The best way to generate design variants is to use Idea Mode, which quickly produces 2-3 design options from a natural language description. This allows you to visualize layout options and interaction patterns efficiently during brainstorming.

How do HTML mockups integrate with existing design systems?

HTML mockups integrate with existing design systems by utilizing structured workflow execution and project-specific state tracking. This ensures that generated UI variants maintain consistency with current project documentation and design standards.

Can I analyze existing design landscapes to propose consistent new UI sketches?

Yes, you can analyze existing design landscapes to propose consistent new UI sketches using Frontier Mode. This function evaluates current designs to ensure newly generated mockups align with established project directions.

Do I need a structured workflow to generate UI mockups?

Yes, a structured workflow is required to ensure consistency with existing design systems and project documentation. Operating within this structure guarantees that the throwaway HTML UI mockups accurately explore relevant design directions without breaking standards.

When should I not use throwaway HTML mockups for UI design?

You should not use throwaway HTML mockups for production code or final implementation. They are specifically designed to explore design directions and interaction patterns during brainstorming, serving as temporary visual representations rather than deployed solutions.