book-analyzer

npx skills add majiayu000/claude-skill-registry --skill book-analyzer --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

<Purpose> Full autonomous analysis of book files (EPUB/PDF) into structured notes. Extracts text, detects chapters, analyzes each chapter via parallel agents, synthesizes across chapters, and optionally integrates into an Obsidian vault with wikilinks and extracted Term notes. </Purpose> <Use_When> - User provides a path to an EPUB or PDF book file - User says "analyze this book", "process this book", "read this book" - User wants structured notes from a book-length document (20+ pages) </Use_When> <Do_Not_Use_When> - Short documents under 20 pages — use /paper or /process instead - User wants to read or search specific sections — just use Read tool directly - User wants EPUB output from markdown — wrong direction - URL-only input with no file on disk — use /research instead </Do_Not_Use_When> <Why_This_Exists> Book notes that merely transcribe content are useless — the value is in synthesis. Most book notes in a vault end up sparse because processing a full book manually is exhausting. This skill automates the mechanical work (extraction, splitting, formatting) while delegating the intellectual work (synthesis, assessment, connections) to specialized agents with strict quality con

Find skill directory — check common locations
for dir in .claude/skills/book-analyzer ~/.claude/skills/book-analyzer; do
if [ -f "$dir/scripts/extract_epub.py" ]; then SKILL_DIR="$dir"; break; fi
done
python3 "$SKILL_DIR/scripts/extract_epub.py" "INPUT_PATH" "$WORK_DIR"
mkdir -p "$WORK_DIR/analyses"
mkdir -p "$WORK_DIR/sections"
python3 .claude/scripts/create-note.py book "{Title}" author="{Author}" year={YEAR}