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ClaudSkills / General / design-creative

Design It Twice

Category: General  ·  Sub-category: design-creative  ·  Last updated:
モジュールや API のインターフェースを設計するとき、サブエージェントを並列に走らせて根本的に異なる複数案を生成・比較する。 最初の案が最善であることはまずない。A Philosophy of Software Design の「Design It Twice」を実践する。 Use when designing an API, exploring interface shapes, or the user mentions "design it twice" or "interface comparison".

From the source SKILL.md

最初に思いついた設計が最良であることは、まずない。根本的に異なる複数のインターフェース案を並べ、比較の中から洞察を得る のがこの skill の目的。

What this skill does

Design It Twice is a community-contributed Claude Code skill in the design-creative sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/design-it-twice/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when designing an API, exploring interface shapes, or the user mentions "design it twice" or "interface comparison".

Who uses this skill

The Design It Twice Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ 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/design-it-twice
curl -L https://claudskills.com/skills/design-it-twice/SKILL.md \
  -o ~/.claude/skills/design-it-twice/SKILL.md

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

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

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.

Attribution & license

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