Opentypist

Real-time local AI ghost-text autocomplete for macOS. Suggestions appear inline as you type, across any app, powered entirely on-device.

• Ghost-text suggestions rendered as a floating overlay anchored to your cursor
• On-device inference via Apple MLX
• Ollama fallback over localhost:11434 when MLX is unavailable
• Sub-150ms latency through debouncing and in-flight cancellation
• Per-app blacklist — suppresses suggestions in terminals and IDEs
• Menu bar tray — lightweight, no Dock icon

• macOS 14+
• Apple Silicon (M1 or later)
• Xcode 15+
• Accessibility permission (granted on first launch)
• Ollama installed (optional, for fallback inference)

Download the lastest .dmg installer from releases. Open the .dmg file and drag Opentypist into the Applications folder shortcut.

git clone https://github.com/tahashafiei/Opentypist.git
cd Opentypist
open Opentypist/Opentypist.xcodeproj

Build and run via Xcode (⌘R). On first launch, grant Accessibility permission when prompted.

1. Launch Opentypist. It will appear in the menu bar
2. Start typing anywhere; ghost-text suggestions appear after a brief pause
3. Press Tab or ` to accept a suggestion
4. Press Escape to dismiss

xcodebuild -project Opentypist/Opentypist.xcodeproj -scheme Opentypist build

xcodebuild -project Opentypist/Opentypist.xcodeproj -scheme OpentypistTests test

xcodebuild -project Opentypist/Opentypist.xcodeproj -scheme OpentypistUITests test

See our Wiki for full documentation for both users and developers.

All inference runs locally on your device. No keystrokes, text, or suggestions are transmitted anywhere.