Book To Skill
Book To Skill is an agent skill (a SKILL.md file) from virgiliojr94/book-to-skill. 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. It works with Claude Code, Codex, GitHub Copilot and OpenCode and has 33,995 GitHub stars.
- Docs & writing
- Actively maintained
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/virgiliojr94/book-to-skill.git
cp -r book-to-skill ~/.claude/skills/book-to-skill # personal, or .claude/skills in a projectIn the Claude apps, zip the book-to-skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/virgiliojr94/book-to-skill.git
cp -r book-to-skill .agents/skills/book-to-skill # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/virgiliojr94/book-to-skill.git
cp -r book-to-skill .cursor/skills/book-to-skill # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
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, Claude Code, Hermes Agent, OpenCode, or OpenClaw, apply an author's frameworks while working, or build a reusable knowledge base from a file.
When it triggers
- Use when the user wants to study a document through GitHub Copilot CLI, Amp, Claude Code, Hermes Agent, OpenCode, or OpenClaw, apply an author's frameworks while working, or build a reusable knowledge base from a file.
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What is the Book To Skill skill?
Book To Skill is an agent skill (a SKILL.md file) from virgiliojr94/book-to-skill. 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. It works with Claude Code, Codex, GitHub Copilot and OpenCode and has 33,995 GitHub stars. Its SKILL.md lives at github.com/virgiliojr94/book-to-skill.
How do I install the Book To Skill skill?
Copy the book-to-skill folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Book To Skill skill free?
Yes. The repository is open source under the MIT license.
Is Book To Skill maintained?
The repository's most recent commit was on Oct 5, 2026. Its latest release is v1.4.0. appsgit only lists skills from repositories with a commit in the last six months.