Every rule, in the open

Architectural constraints for your project

Performance conventions

Testing conventions

TypeScript conventions

Product analytics, feature flags and session replay.

Hosted identity with enterprise SSO, MFA and fine-grained rules.

Drop-in authentication with prebuilt sign-in, MFA and user management.

Email, OAuth and magic-link sign-in issuing the JWT that Row Level Security reads.

Python API with typed request validation and generated OpenAPI docs.

Google's app platform: authentication, Firestore, storage, functions and messaging.

TypeScript server framework with dependency injection, modules and decorators.

Postgres database, authentication, storage and realtime behind one client.

Continuous integration and release automation running on GitHub.

Pipelines defined in .gitlab-ci.yml with built-in environments and approvals.

Firebase crash reporting for native mobile apps, with crash-free user metrics.

Crash and error reporting with stack traces, breadcrumbs and release tracking.

Firebase's document database, queried directly from the client under security rules.

Your own Postgres server, reached from your API. Not needed when a backend already provides one.

On-device SQL storage for offline-first data and local caching.

Upload builds to the App Store and Play Store from CI.

Scripted build, signing and store upload with shared certificate management.

Transactional email with React-based templates and delivery webhooks.

Transactional email with dynamic templates and delivery analytics.

System-aware light/dark theming with a manual override, one hook for the whole app.

Multi-language text via i18next, with device-locale detection and a typed translation key.

A first-run walkthrough that shows once, with a persisted "seen it" flag and a real skip path.

Managed React Native tooling: config plugins, EAS builds and over-the-air updates.

Cross-platform iOS and Android apps from one TypeScript codebase.

Uptime monitoring, log management and on-call alerting.

Push and local notifications through Expo's push service.

Push notifications with segmentation, scheduling and campaign analytics.

In-app subscriptions and purchases across the App Store and Play Store.

Card payments, subscriptions and billing for web checkout.

S3-compatible object storage with no egress fees, accessed through presigned URLs.

File and image storage with the same Row Level Security model as the database.

End-to-end tests driving the real app on a simulator or device.

Unit and component testing. Adapts its configuration to the platform you selected.

React framework with server components, file-based routing and a build-in server runtime.

Single-page React application built with Vite. No server — everything ships to the browser.