ChatGPT, connected to your computer.

1. Install Fizzy

Open Terminal and paste this command:

curl -fsSL https://fizzy-public.asymmetry-lab.com/install.sh | sh

The app includes its runtimes and opens after installation.

macOS 14 or newer, on Apple Silicon or Intel. This preview is ad-hoc signed and not Apple notarized. Fresh-Mac launch and permission checks and physical Intel execution remain unverified. Use the normal macOS security and permission prompts.

2. Add the Chrome companion

Download Chrome extension

This preview uses a manual extension installation while the Chrome Web Store listing is being prepared.

1. Unzip the download and keep its folder on your Mac.
2. In Chrome, open chrome://extensions.
3. Turn on Developer mode, choose “Load unpacked”, and select the folder containing manifest.json.
4. Open Fizzy so it can register its Chrome connection.

3. Connect this Mac

Sign in or create a Fizzy account

Fizzy has its own account, separate from KhaiHub. Use a passkey through Touch ID, your password manager or your phone.

1. On your account page, choose “Get connection code”, then “Open Fizzy on this Mac”.
2. In Fizzy, confirm the connection and choose your workspace folders.
3. Allow Accessibility and Screen Recording when needed for the apps you want to control.

Keep one connected Mac online while working. You can pause it from the Fizzy menu or disconnect it from your account page.

4. Choose Fizzy in ChatGPT

When the Public listing is available, choose Fizzy and approve access to the same account. Requests are sent to your paired computer; you do not need to create a tunnel or enter a personal MCP address.

The Public listing has not been submitted yet. Privacy and Terms remain drafts for publisher review. Pricing has not been finalized; this preview has no billing or purchasing tools.