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napkin

Create disposable prototypes to validate software logic and UI design.

Updated Jul 23, 2026
Search Tags:#design#ui#prototyping#logic#experimentation#state-machine
One-click install
npx skills add https://github.com/Theycallmeholla/skills --skill napkin-theycallmeholla
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: napkin
Source: https://github.com/Theycallmeholla/skills/tree/main/skills/napkin
Command: npx skills add https://github.com/Theycallmeholla/skills --skill napkin-theycallmeholla

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill solves the problem of over-engineering or stalling on design and logic decisions by providing a structured framework for creating throwaway prototypes that answer specific, high-stakes questions.

Core Features & Use Cases

  • Logic Napkins: Build tiny, interactive terminal applications to test state machines, data shapes, or complex business logic before committing to a production implementation.
  • UI Napkins: Generate multiple, radically different UI variants on a single route to visually compare design approaches and gather immediate feedback.
  • Use Case: When you are unsure if a three-state model will handle edge cases like un-archiving with pending edits, use this skill to build a quick terminal-based state driver to prove the logic works.

Quick Start

Use the napkin skill to create a new logic prototype that tests the proposed state machine for the user authentication flow.

Frequently Asked Questions about napkin

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

FAQPage Schema
How do I validate complex state machine logic without over-engineering my production code?▼

Logic validation through throwaway prototyping involves creating a disposable, single-purpose prototype that isolates state models using in-memory state to test edge cases without committing to production code.

What is the best way to compare multiple UI design variants for a single route?▼

You can compare UI design variants by generating radically different interface versions on a single route within your existing project environment to visually evaluate approaches and gather immediate feedback.

How do I prototype UI ideas quickly without setting up database persistence?▼

You can prototype UI ideas without persistence by enforcing strict throwaway constraints, building interface variants with in-memory state and zero database persistence to facilitate rapid visual experimentation.

Can I test complex business logic by isolating data shapes in an existing project environment?▼

You can test complex business logic by creating a tiny interactive terminal application that isolates data shapes within your existing project environment to prove the logic works before production implementation.

When should I use throwaway code prototypes for software design experimentation?▼

You should use throwaway code prototypes for software design experimentation when facing high-stakes decisions about data shapes or state models, utilizing time-boxed development to prevent stalling on design choices.

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