Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Product / design-system-ui

Build Prototype

Category: Product  ·  Sub-category: design-system-ui  ·  Last updated:
PoC と案件プランファイルの申し送り節を受け取り、既存コードベースの慣習に合わせて DD (Design Doc) を起こせる水準のプロトタイプを実装するときに使用。「プロトタイプにして」「PoC を本実装の形に書き直して」「慣習に合わせて実装して」で起動。完了時にプランファイルへ /create-design-doc 向けの申し送り節を追記する。
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

PoC を、既存コードベースの慣習に合った「DD を起こせる水準」のコードにする。 入力は案件プランファイルの申し送り節と PoC コード。見つからなければ会話と成果物から 察し、自分で補えない値だけまとめて 1 回で聞く。

What this skill does

Build Prototype 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/build-prototype/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Build Prototype 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 158,000+ 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/build-prototype
curl -L https://claudskills.com/skills/build-prototype/SKILL.md \
  -o ~/.claude/skills/build-prototype/SKILL.md

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

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

Telegram

📱 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 Build Prototype Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/build-prototype/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Build Prototype skill do?
PoC と案件プランファイルの申し送り節を受け取り、既存コードベースの慣習に合わせて DD (Design Doc) を起こせる水準のプロトタイプを実装するときに使用。「プロトタイプにして」「PoC を本実装の形に書き直して」「慣習に合わせて実装して」で起動。完了時にプランファイルへ /create-design-doc 向けの申し送り節を追記する。
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 Build Prototype skill?
Use Build Prototype 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 Build Prototype" or describe the task and let Claude pick). Browse related skills at /category/product/.
What is a Claude Code skill and how does the Build Prototype 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. Build Prototype 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

Cite this skill

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

APA
YasuakiOmokawa. (2026). Build Prototype [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/build-prototype/
BibTeX
@misc{build-prototype-2026,
  author    = {YasuakiOmokawa},
  title     = {Build Prototype [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/build-prototype/}
}

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Security scan

Grade A · scanned 2026-07-23 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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Browse all Product skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Product skills → Top 100 skills
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