prototype

Build disposable prototypes to validate design decisions before production code.

15|5|Updated May 17, 2026
One-click install
npx skills add https://github.com/cropsgg/skills --skill prototype-cropsgg
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prototype
Source: https://github.com/cropsgg/skills/tree/main/skills/engineering/prototype
Command: npx skills add https://github.com/cropsgg/skills --skill prototype-cropsgg

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Build a throwaway prototype to de-risk a design decision before committing to production code. Use for state-machine validation, API ergonomics testing, UI layout exploration, or algorithmic feasibility. The prototype is explicitly disposable — no tests, no types, no polish. Goal is learning speed, not shipping quality.

Core Features & Use Cases

  • Disposable by design: single-purpose exploration that can be deleted after findings.
  • Time-boxed workflows: clear duration and deliverables to minimize drift.
  • Findings preserved: document outcomes in PROTOTYPE_FINDINGS.md to inform production decisions.
  • Support for radical variations: compare approaches (A/B) to reveal trade-offs.

Quick Start

Open a disposable prototype session, define one falsifiable question, time-box the exercise to 15–25 minutes, and document findings in PROTOTYPE_FINDINGS.md before deleting the prototype.

Frequently Asked Questions about prototype

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

FAQPage Schema
How do I validate a state machine design before writing production code?

Test API ergonomics by prototyping the interface with minimal dependencies and no polish, focusing purely on how the API feels to consume. You time-box the exercise to 15–25 minutes and record whether the design decisions are viable in a dedicated findings file.

What is the best way to run a throwaway prototype for algorithm feasibility checks?

Run a throwaway prototype by defining a single focused question, setting a clear 15–25 minute duration, and building a disposable script with no production polish. You preserve the trade-offs and outcomes in PROTOTYPE_FINDINGS.md to inform your real implementation.

Can I use disposable prototyping to compare A/B UI layout experiments?

Disposable prototyping supports radical variations to compare A/B UI layout experiments and reveal trade-offs. You can explore multiple approaches quickly, ensuring each prototype remains single-purpose and explicitly disposable to prevent drift into production code.

When should I not use throwaway prototypes for design exploration?

Do not use throwaway prototypes when you need shipping quality, comprehensive tests, or strict type safety, because the workflow is explicitly designed to skip polish. If your task lacks a single falsifiable question or cannot be time-boxed, prototyping will likely drift.

Do I need to set up dependencies to test design decisions with a prototype?

You should keep dependencies minimal when testing design decisions with a prototype to ensure disposability and fast iteration. The goal is learning speed through a single focused exploration, so you avoid heavy setups and document findings in PROTOTYPE_FINDINGS.md before deleting the code.