Know when the sun can make vitamin D where you are, for your skin type. Live UV data.
Solar vitamin D calculator PWA — know when and where you can synthesize vitamin D from sunlight, based on solar elevation, real-time UV index, skin type, body exposure and age.
Live: https://getvitamind.app
Next.js (App Router) · next-intl (es/en/fr/de/ru/lt) · Tailwind CSS v4 · D3 · Supabase (auth, profiles, city search, push subscriptions) · Web Push · Vercel (hosting + daily cron).
npm install
cp .env.example .env.local # fill in values
npm run dev # localhost:3000
Quality gate (all must pass, enforced by CI on every push/PR):
npm run lint && npm run typecheck && npm test && npm run build
AGENTS.md — architecture, deployment runbook, operational
gotchas and incident history (CLAUDE.md imports it).docs/PRODUCTION_READINESS.md —
production-readiness assessment and the practices that keep it that way.MIT
This listing does not have a supported local package template. Use the maintainer’s documentation for its hosted endpoint, authentication, and client-specific setup. No install command has been inferred.