Overview
book-to-skill is an open-source docs skill for Claude Code and GitHub Copilot, published by virgiliojr94. Its author describes it as: “Converts books and documents (PDF, EPUB, DOCX, HTML, Markdown, plain text, RTF, MOBI/AZW with Calibre) into structured agent skills, extracting frameworks, mental models, principles, techniques, and anti-patterns. Use…”. The project has 23k stars on GitHub and is available under the MIT license. Add it to your setup with `git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill`.
What book-to-skill does
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What’s inside
The SKILL.md for book-to-skill is organised into these sections:
- Philosophy
- Modes of Operation
- 1. Full Conversion (Default)
- 2. Analyze Only
- 3. Generate from Prior Analysis
- 4. Update / Fold-in (Existing Skill)
- Skill Locations
- Step 0 — Out-of-scope check
- Step 1 — Validate input
- Step 1.5 — Identify content type
- Step 2 — Extract text from the source documents
- Step 2.5 — Pre-flight cost estimate
Installation
Add book-to-skill to your agent with:
git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skillReview a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — named in the skill.md
- GitHub Copilot — named in the skill.md
License
book-to-skill is published under the MIT license.
About virgiliojr94/book-to-skill
book-to-skill
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Established project with 22,785 GitHub stars
- Works with Claude Code, GitHub Copilot
- Actively maintained — repository updated in the last 90 days
Author
Topics
Frequently asked questions
- What does book-to-skill do?
- Converts books and documents (PDF, EPUB, DOCX, HTML, Markdown, plain text, RTF, MOBI/AZW with Calibre) into structured agent skills, extracting frameworks, mental models, principles, techniques, and anti-patterns. Use when the user wants to study a document through GitHub Copilot CLI, Amp, or Claude Code, apply an author's frameworks while working, or build a reusable knowledge base from a file.
- How do I install book-to-skill?
- Run git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill in your agent, then reload your skills. Review the source at https://github.com/virgiliojr94/book-to-skill before installing.
- Is book-to-skill free to use?
- Yes. book-to-skill is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does book-to-skill work with?
- book-to-skill lists Claude Code and GitHub Copilot — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
