ClaudSkills / Product / design-system-ui

Prototype Plan

Q: What is a Claude Code skill and how does the Prototype Plan skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Prototype Plan is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Product · Sub-category: design-system-ui · Last updated: 2026-05-21

type:generator

Validation group skill. Plans a runnable prototype that retires the top assumptions in a realistic environment. Differs from MVP by being internally-scoped (limited audience, throwaway by default). Includes demo script. Produces poc-plan.md and a runnable skeleton scaffold. Reads discovery-context.md.

About this skill (catalog notes)

Prototype Plan is published as a SKILL.md file in this catalog. The SKILL.md is on the shorter side at about 559 words.

Original author: tarunccet
Indexed lastmod: 2026-05-21
Catalog position: Product · design-system-ui
Indexed related skills: 10

How Prototype Plan fits the catalog

Prototype Plan sits in the Product category under the design-system-ui sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

A prototype proves user/product assumptions in a realistic environment. Built minimally, demoed deliberately, torn down by contract.

What this skill does

Prototype Plan is a community-contributed Claude Code skill in the design-system-ui sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/prototype-plan/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Prototype Plan Claude Code skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/prototype-plan
curl -L https://claudskills.com/skills/prototype-plan/SKILL.md \
  -o ~/.claude/skills/prototype-plan/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/prototype-plan/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/prototype-plan/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\prototype-plan\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Prototype Plan Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/prototype-plan/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Prototype Plan skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Prototype Plan skill?

Use Prototype Plan when your Claude Code task falls under the Product category — specifically in the design system ui area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Prototype Plan" or describe the task and let Claude pick). Browse related skills at /category/product/.

What is a Claude Code skill and how does the Prototype Plan skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Prototype Plan is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/tarunccet/pm-skills/blob/HEAD/pm-vibe-coding/skills/prototype-plan/SKILL.md
Author: tarunccet

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

tarunccet. (2026). Prototype Plan [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/prototype-plan/

BibTeX

@misc{prototype-plan-2026,
  author    = {tarunccet},
  title     = {Prototype Plan [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/prototype-plan/}
}

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Browse all Product skills → Top 100 skills

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