PRD writing and product definition expert. Use when writing PRDs, user stories, acceptance criteria, or prioritizing features. Covers RICE/MoSCoW frameworks, agile requirements, and specification best practices.
$npx -y skills add majiayu000/spellbook --skill prd-masterInstalls into the current project.
Run `npx skills use "https://github.com/majiayu000/spellbook" --skill "majiayu000/spellbook/prd-master"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/majiayu000/spellbook" that are relevant to the current task. Run `npx skills add "https://github.com/majiayu000/spellbook"` and select the relevant skills, then follow their instructions.