Steam Deck Deploy

Deploy Unity builds to Steam Deck over SSH/rsync. Auto-discovers devices on the network via mDNS and registers games as Steam shortcuts.

Requirements

• Unity 6+ (uses BuildProfile API)
• Linux or macOS host with ssh, rsync, and avahi-browse
• Steam Deck with Developer Mode enabled
• SSH key from the SteamOS Devkit Client (auto-detected)

Install

Add to your manifest.json:

"com.api-haus.steamdeck-deploy": "https://github.com/api-haus/com.api-haus.steamdeck-deploy.git"

Or use the Unity Package Manager window: Add package from git URL.

Usage

Menu Items

• Build > Deploy to Steam Deck -- rsyncs the last build to the deck
• Build > Build and Deploy to Steam Deck -- builds the active profile, then deploys

Settings

Project Settings > Steam Deck Deploy to configure:

• IP address (auto-discovered if left empty)
• Username (default: deck)
• SSH key path (auto-detected from SteamOS Devkit Client)
• Remote base path, launch args, auto-launch toggle

API

using ApiHaus.SteamDeckDeploy.Editor;

// Deploy an existing build
await SteamDeckDeploy.Deploy("Builds/Linux");

// Deploy without launching
await SteamDeckDeploy.Deploy("Builds/Linux", launch: false);

// Test connection
await SteamDeckDeploy.TestConnection();

How It Works

1. Discover -- finds Steam Deck on the LAN via avahi-browse _steamos-devkit._tcp
2. Upload scripts -- rsyncs unity-run-game helper to ~/unity-scripts/ on the device
3. Rsync build -- transfers the build to ~/devkit-game/{productName}_Linux/, excluding *_DoNotShip, *_BackUpThisFolder_*, *.pdb, and Saved/
4. Register shortcut -- calls steam-client-create-shortcut via SSH to add the game to Steam
5. Launch -- runs the game through the Steam client IPC

License

MIT