Book Decompose

Q: What is a Claude Code skill and how does the Book Decompose 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. Book Decompose is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Content · Sub-category: content-misc · Last updated: 2026-05-25

書物の一文（または段落）を4層に分解する装置。**人文知の伝統**を背景レンズに、**Knowledge OSの構造フィルター**を解読器として、事実／修辞／構造命題／書物接続の4層に畳まれた意味を可視化する。`/book-decompose <文>` で単文分解、`/book-decompose --extract <段落>` でload-bearing文の抽出、`/book-decompose --article <文>` で古典×現代の記事執筆、`/book-decompose --en <文>` で英訳版（海外ブログ用）を生成、`/book-decompose --reading-note <章>` で内部 reading-note（Mode 5・観察者の独白）、`/book-decompose --published <章>` で公開 reading-note（Mode 6・ですます調＋※注釈形式の note記事）を生成。直感批評ではなく、レンズ宣言とフィルター判定を経た再現可能な構造分析を生成する。

Security AStatic scan found no risk patternsHow grading works ›

What this skill does

Book Decompose is a community-contributed Claude Code skill in the content-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/book-decompose/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Book Decompose Claude Code skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 178,000+ 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/book-decompose
curl -L https://claudskills.com/skills/book-decompose/SKILL.md \
  -o ~/.claude/skills/book-decompose/SKILL.md

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

Skills live at ~/.claude/skills/book-decompose/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\book-decompose\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 Book Decompose Claude Code skill?

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

What does the Book Decompose 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 Book Decompose skill?

Use Book Decompose when your Claude Code task falls under the Content category — specifically in the content misc 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 Book Decompose" or describe the task and let Claude pick). Browse related skills at /category/content/.

What is a Claude Code skill and how does the Book Decompose 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. Book Decompose is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/Ujiie1101/structure-decoder/blob/71d2476163efb32c2167f43e279dd56beb7c9f2d/.claude/skills/book-decompose/skill.md
License: MIT
Author: Ujiie1101

Cite this skill

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

APA

Ujiie1101. (2026). Book Decompose [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/book-decompose/

BibTeX

@misc{book-decompose-2026,
  author    = {Ujiie1101},
  title     = {Book Decompose [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/book-decompose/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/book-decompose.svg)](https://claudskills.com/skills/book-decompose/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-08-07 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
⚠ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/book-decompose/#security)