Claris, a subsidiary of Apple, is currently testing a new application called Harbor. The software is designed to transform Mac computers equipped with Apple silicon into local AI servers, enabling users to run artificial intelligence models directly on their hardware.
The application supports scaling by connecting multiple Mac devices via Thunderbolt 5 interfaces. To facilitate this, Apple has integrated Thunderbolt 5 RDMA support into the macOS Tahoe 26.2 system, which improves data transfer speeds across clustered devices.
Harbor features automated detection for Thunderbolt 5 hardware and provides a simplified interface for browsing and downloading open-weight AI models. The tool aims to provide local AI capabilities without requiring complex manual configuration.
The project is currently in an early testing phase and is not yet available to the general public. Although the application was briefly listed on the App Store, the page has since been removed.
