Readable, maintainable code standards. Use when writing, editing, reviewing, or discussing any source code.
Organize, file, find, and manage documents in a Johnny Decimal system at ~/Documents. Use this skill when the user needs to file a document, sort scanned papers, find where something belongs, create a new folder or subcategory, take notes about a JD item, or clean out an inbox. Also use when the user mentions ~/Documents, a JD ID like "21.10", or asks where to put a file
Create, scaffold, and validate new Agent Skills. Use this skill when the user wants to create a skill, package knowledge or a workflow into a reusable skill, scaffold a skill directory, write a SKILL.md, or validate an existing skill against the spec.
Summarize an ebook (EPUB/AZW3/MOBI) chapter by chapter for book club prep or personal reference. Handles extraction, chunking, parallel summarization via sub-agents, and filing the result into Johnny Decimal. Use when the user wants to summarize a book, prep for book club, or create chapter notes from an ebook file.
Process PDF files: extract text and tables, fill forms (fillable and non-fillable), merge, split, rotate, encrypt/decrypt and add or remove password protection, extract metadata, convert pages to images, add invisible text layers, and OCR scanned documents to produce searchable PDFs. Supports page orientation detection, deskewing, annotation-based form filling, and watermarking. Use whenever the user mentions a .pdf file or asks to produce, read, modify, secure, scan, search, or analyze one.
Plan, track, and resume multi-step work across sessions. Use this skill when the user wants to break a project into tasks, track what's done, pick up where they left off, or manage dependencies between steps. Also use when the user asks to plan work, create a checklist, or resume an interrupted session — even if they don't explicitly say "task" or "todo."