Verified installable Agent Skill
SKILL.md + .skillInstall into your agent.
npx skills add LearnPrompt/goodcase-lite --skill interactive-tool-simulation --global --copy --yes --full-depthLoading…
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GoodCase Official Skill · Shared method across creators
Have an AI build a usable small tool, dashboard, or simulation rather than a showcase page.
6 Cases · 6 Creators · AI Coding (UI) · Latest example 09/08/2026
Verified installable Agent Skill
SKILL.md + .skillnpx skills add LearnPrompt/goodcase-lite --skill interactive-tool-simulation --global --copy --yes --full-depthMethod skeleton
Creator practice
Creator practices derived from this shared method, including versions not yet listed in the catalog.
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Creator evidence
Case evidence
A guide to building a MuJoCo physics environment and developing a controller for a multi-fingered robot arm to draw artworks.
Prompt
build a MuJoCo setup and write a controller to draw Picasso’s dove using a robot arm and a five-fingered hand
A very simple advanced prompt for using Gemini to design a CapCut-style video editing app interface.
Prompt
Design a {argument name="app_name" default="CapCut"}.
A Japanese prompt asking Gemini to generate 40 simple, versatile SVG icons in a light-blue line style, with a download button for each icon.
Prompt
Generate {argument name="icon_count" default="40"} types of simple, highly versatile icons in SVG format. Be sure to draw them on Canvas. Use {argument name="icon_color" default="ライトブルー"} for the color and {argument name="background_color"
A sixteen-word prompt that states only the business logic and never asks for visualization, deliberately testing whether the model decides on its own that this task needs a graphical output.
Prompt
write a python code that visualizes how a traffic light works in a one way street with cars entering at random rate.
A web case by @CryptoEights created with Gemini 3.1 · React · Framer Motion, including the public result, full prompt, and original source.
Prompt
Prompt to build the F1 Dashboard: "Build a cinematic, high-end Formula 1 live dashboard using React, Tailwind CSS, and Framer Motion. The design should be dark, immersive, and feel like a professional broadcast overlay.
A web case by @lumidotnew using Lumi, including the public result, full prompt, and original source.
Prompt
Create a high-fidelity, interactive web app that turns a headline rent price into the real monthly cost and real annual cost. ## Core idea Users often see a listing price and only compare monthly rent, while ignoring de
A Skill is a derived reading layer. Every claim must trace back to published Cases.