The product design house of Prima Digital.
> New client work starts here. Bring the requirements — we ship the system →Prima Digital products — built here
ShelfAgent that watches competitor promos and pricing, inside Shopify admin.shelfplugin.com → VizidexAgent for AI visibility, brand discovery, and conversion.vizidex.app → last shipped · recentlyDevelopment writing
killdate.devHow we build with AI — the studio's working notes on agentic systems, CLAUDE.md, and shipping without breaking what's live.killdate.dev → Case studyBuilding Shelf: a technical post-mortem of the product above.read →Contact
john@langmerge.com