axint

┌───────────────────────────────────────────┐
│  defineIntent()  defineView()             │  TypeScript / Python / JSON
│  defineWidget()  defineApp()              │
└───────────────────┬───────────────────────┘
                    │  axint compile
          ┌─────────┼─────────┐─────────┐
          ▼         ▼         ▼         ▼
     ┌────────┐ ┌───────┐ ┌────────┐ ┌──────┐
     │ .swift │ │ .swift│ │ .swift │ │.swift│
     │ .plist │ │       │ │        │ │      │
     │ .entl. │ │       │ │        │ │      │
     └────────┘ └───────┘ └────────┘ └──────┘
     App Intent  SwiftUI   WidgetKit   App
     for Siri    View      Widget      Scaffold

npm install -g @axint/compiler

# Or run without installing
npx @axint/compiler compile my-intent.ts --stdout

import { defineIntent, param } from "@axint/compiler";

export default defineIntent({
  name: "CreateEvent",
  title: "Create Calendar Event",
  description: "Creates a new event in the user's calendar.",
  domain: "productivity",
  params: {
    title: param.string("Event title"),
    date: param.date("Event date"),
    duration: param.duration("Event duration", { default: "1h" }),
    location: param.string("Location", { required: false }),
  },
});

import { defineView, prop, state, view } from "@axint/compiler";

export default defineView({
  name: "EventCard",
  props: {
    title: prop.string(),
    date: prop.date(),
  },
  state: {
    isExpanded: state.boolean(false),
  },
  body: [
    view.vstack({ alignment: "leading", spacing: 8 }, [
      view.text("entry.title"),
      view.conditional("isExpanded", [view.text("entry.date")]),
    ]),
  ],
});

import { defineWidget, entry, view } from "@axint/compiler";

export default defineWidget({
  name: "EventCountdown",
  displayName: "Event Countdown",
  description: "Shows time until the next event.",
  families: ["systemSmall", "systemMedium"],
  entry: {
    eventName: entry.string("Untitled"),
    minutesUntil: entry.int(0),
  },
  body: [
    view.vstack({ alignment: "center", spacing: 4 }, [
      view.text("entry.eventName"),
      view.text("entry.minutesUntil"),
    ]),
  ],
});

import { defineApp, scene, storage } from "@axint/compiler";

export default defineApp({
  name: "WeatherApp",
  scenes: [
    scene.windowGroup("WeatherDashboard"),
    scene.settings("SettingsView", { platform: "macOS" }),
  ],
  appStorage: {
    useCelsius: storage.boolean("use_celsius", true),
    lastCity: storage.string("last_city", "Cupertino"),
  },
});

axint compile my-intent.ts --out ios/Intents/
axint compile my-view.ts --out ios/Views/
axint compile my-widget.ts --out ios/Widgets/
axint compile my-app.ts --out ios/App/

axint watch ./intents/ --out ios/Intents/ --emit-info-plist --emit-entitlements
axint watch my-intent.ts --out ios/Intents/ --format --swift-build

{
  "mcpServers": {
    "axint": {
      "command": "axint-mcp",
      "args": []
    }
  }
}

error[AX100]: Intent name "sendMessage" must be PascalCase
  --> src/intents/messaging.ts:5:9
   = help: rename to "SendMessage"

axint/
├── src/
│   ├── core/        # Parser, validator, generator, compiler, types, IR
│   ├── sdk/         # defineIntent(), defineView(), defineWidget(), param/prop/state/entry helpers
│   ├── mcp/         # MCP server (13 tools including JSON schema mode)
│   ├── cli/         # axint CLI (compile, watch, validate, eject, init, xcode)
│   └── templates/   # Intent template registry (25 templates)
├── python/          # Python SDK with native Swift codegen
├── extensions/      # Claude Code, Codex, Cursor, Windsurf, Zed, JetBrains, Xcode
├── spm-plugin/      # Xcode SPM build plugin
├── tools/           # swift-syntax helper binary (POC)
├── tests/           # 500 vitest tests
├── examples/        # Example definitions
└── docs/            # Error reference, research, assets