Cross-platform declarative UIOne spec. Native iOS, Android, and Web.Author screens once in JSON. JsonUI generates SwiftUI, Compose, and React with ViewModels, bindings, and localization built in.
FeaturedStart here to learn, build, and ship with JsonUI.
Get started in 10 minutesInstall the CLI, scaffold a project, and render your first screen on three platforms./learn/hello-world
AI-first workflowsLet the define, implement, navigation, and test agents carry specs to running UI./tools/agents
Cross-platform showcaseSee the same spec rendered as SwiftUI, Compose, and React — side by side./platforms
For every platformJsonUI speaks each stack natively — no shared runtime, no UI compromises.
SwiftSwift / SwiftUISwiftJsonUI renders your spec with SwiftUI modifiers, protocol-based ViewModels, and real @Published state./platforms/swift
KotlinKotlin / ComposeKotlinJsonUI emits Jetpack Compose with StateFlow ViewModels and lifecycle-aware collectors./platforms/kotlin
ReactReact / Next.jsReactJsonUI generates TypeScript components, ViewModel classes, and Tailwind-powered layouts./platforms/react
What's newRecent docs and library changes worth a look.
Apr 2026Installation is now one lineA single curl installs the CLI, the MCP server, and the agent pack.Read the install guide
Apr 2026PC-first docs chromePersistent sidebar + top bar replace the bottom tabbar — navigate every page without scrolling back to home.Read the design notes
Apr 2026Agent pack for Claude CodeSpec-first workflow scaffolded end-to-end by conductor-routed sub-agents.Browse the agent catalog