What it does
Osaurus is a native Mac app that sits between you and an AI model. It gives you agents, each with its own instructions, memory and tools, that can work on files, browse the web and run code in a safe, separate sandbox.
Its makers say it works fully offline with local models, and that nothing leaves your Mac unless you connect a cloud provider. When you do, an on-device filter can spot personal details such as names and emails before they are sent.
It also has optional features for reaching your agents from elsewhere and letting agents talk to each other securely.
Who it's for
Mac users who want private AI agents that keep their memory and data on their own computer.
Can I use it without coding?
Yes. Download the Mac app and pick a model during setup. It needs a recent Mac with Apple Silicon. New to this? Start here.
Can I run it?
- Cost
- FreeNothing to pay or sign up for.
- Runs on
- Mac
- Privacy
- Your choice: run it on your device or use an online service
- API key
- Not needed
Try it
- Download the Osaurus disk image for Mac from the project's releases page.
- Open the app and choose a model to download during setup.
- Create an agent or start chatting.
Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?
Before you install
- Only download from the official GitHub page or the official download page above. Copies with similar names exist for many popular projects.
- License (MIT): Very permissive: free to use, change and share, including for business.
- More on staying safe