tauri

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---
name: tauri
description: Tauri framework for building cross-platform desktop and mobile apps. Use for desktop app development, native integrations, Rust backend, and web-based UIs.
---

# Tauri Skill

Comprehensive assistance with Tauri development, generated from official documentation.

## When to Use This Skill

This skill should be triggered when:
- Building cross-platform desktop applications with Rust + WebView
- Implementing native system integrations (file system, notifications, system tray)
- Setting up Tauri project structure and configuration
- Debugging Tauri applications in VS Code or Neovim
- Configuring Windows/macOS/Linux code signing for distribution
- Developing mobile apps with Tauri (Android/iOS)
- Creating Tauri plugins for custom native functionality
- Implementing IPC (Inter-Process Communication) between frontend and backend
- Optimizing Tauri app security and permissions
- Setting up CI/CD pipelines for Tauri app releases

## Key Concepts

### Multi-Process Architecture
Tauri uses a **Core Process** (Rust) and **WebView Process** (HTML/CSS/JS) architecture:
- **Core Process**: Manages windows, system tray, IPC routing, and has full OS access
- **WebView Process**: Renders UI using system WebViews (no bundled browser!)
- **Principle of Least Privilege**: Each process has minimal required permissions

### Inter-Process Communication (IPC)
Two IPC primitives:
- **Events**: Fire-and-forget, one-way messages (both Core → WebView and WebView → Core)
- **Commands**: Request-response pattern using `invoke()` API (WebView → Core only)

### Why Tauri?
- **Small binaries**: Uses OS WebViews (Microsoft Edge WebView2/WKWebView/webkitgtk)
- **Security-first**: Message passing architecture prevents direct function access
- **Multi-platform**: Desktop (Windows/macOS/Linux) + Mobile (Android/iOS)

## Quick Reference

### 1. Project Setup - Cargo.toml

```toml
[build-dependencies]
tauri-build = "2.0.0"

[dependencies]
tauri = { version = "2.0.0" }
```

### 2. Windows Code Signing Configuration

```json
{
  "tauri": {
    "bundle": {
      "windows": {
        "certificateThumbprint": "A1B1A2B2A3B3A4B4A5B5A6B6A7B7A8B8A9B9A0B0",
        "digestAlgorithm": "sha256",
        "timestampUrl": "http://timestamp.comodoca.com"
      }
    }
  }
}
```

### 3. VS Code Debugging - launch.json

```json
{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "lldb",
      "request": "launch",
      "name": "Tauri Development Debug",
      "cargo": {
        "args": [
          "build",
          "--manifest-path=./src-tauri/Cargo.toml",
          "--no-default-features"
        ]
      },
      "preLaunchTask": "ui:dev"
    }
  ]
}
```

### 4. Rust State Management

```rust
let data = app.state::<AppData>();
```

### 5. GitHub Actions - Publish Workflow

```yaml
name: 'publish'

on:
  push:
    tags:
      - 'app-v*'
```

### 6. Trunk Configuration (Rust Frontend)

```toml
# Trunk.toml
[watch]
ignore = ["./src-tauri"]

[serve]
ws_protocol = "ws"
```

### 7. Azure Key Vault Signing (relic.conf)

```toml
[server.azurekv]
url = "https://<KEY_VAULT_NAME>.vault.azure.net/certificates/<CERTIFICATE_NAME>"
```

### 8. Custom Sign Command (tauri.conf.json)

```json
{
  "tauri": {
    "bundle": {
      "windows": {
        "signCommand": "relic sign -c relic.conf -f -o \"%1\""
      }
    }
  }
}
```

### 9. Opening DevTools Programmatically

```rust
use tauri::Manager;

#[tauri::command]
fn open_devtools(window: tauri::Window) {
    window.open_devtools();
}
```

### 10. Mobile Plugin - Android Command

```kotlin
@Command
fun download(invoke: Invoke) {
    val args = invoke.parseArgs(DownloadArgs::class.java)
    // Command implementation
    invoke.resolve()
}
```

## Reference Files

This skill includes comprehensive documentation organized into 9 categories:

### core_concepts.md
**Contains:** 7 pages covering foundational architecture
- **Process Model**: Multi-process architecture, Core vs WebView processes, security princi