Spec Workflow

Quality score: 70/100 · Category: General · Sub-category: general-misc

仕様駆動開発（SDD）ワークフローを自動発動で強制。Subtask開始時にAC確認、TDD実行、完了時にACチェックを実施。スコープ外実装を禁止。Use when implementing features, creating new functionality, or when "実装して", "作成して", "開発して" keywords appear.

What this skill does

Spec Workflow is a production-ready Claude Code skill (quality score 70/100) in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/spec-workflow/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when implementing features, creating new functionality, or when "実装して", "作成して", "開発して" keywords appear.

Who uses this skill

The Spec Workflow skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/spec-workflow/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\spec-workflow\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.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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