A Tauri 2.0 desktop application for managing multiple Claude Code terminal instances simultaneously.

• Multi-Terminal Management: Spawn unlimited Claude Code instances
• Auto-Start: Terminals automatically run claude --dangerously-skip-permissions
• Dynamic Grid Layout: Automatically adjusts grid based on terminal count
• Broadcast Mode: Send input to all terminals simultaneously
• Terminal Groups: Organize terminals into logical groups
• Environment Variables UI: Configure custom env vars passed to all terminals
• Real-Time Status: Visual indicators for terminal state
• Session Persistence: Terminal metadata persists across restarts
• Professional UI: Dark blue theme with shadcn-style components

# Clone and setup
git clone https://github.com/turenlabs/harness.git
cd harness
make setup

# Run in development mode
make dev

# Build distributable DMG
make dmg

make help     # Show all available commands
make setup    # First-time setup (installs dependencies + Rust targets)
make dev      # Development with hot reload
make build    # Build for current architecture
make dmg      # Build universal DMG for distribution
make check    # Check TypeScript and Rust compilation
make clean    # Clean build artifacts

• Cmd+T - Create new terminal
• Cmd+B - Toggle broadcast mode

• macOS 10.15+ (Catalina or later)
• Node.js 18+
• Rust 1.70+
• Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)

React Frontend (xterm.js terminals)
         |
    Zustand Store (state management)
         |
    Tauri IPC
         |
    Rust Backend (tauri-plugin-pty)
         |
    Claude Code Process

MIT

Built by Turen Labs