Apple Claris Tests Harbor App for Local AI Servers on Mac

Apple's claris subsidiary is currently testing a new application called harbor, which is designed to turn Apple silicon mac computers into a private ai server. The upcoming utility functions with a single machine while also supporting the connection of multiple computers over thunderbolt 5 to pool unified memory for larger models.

With the introduction of remote direct memory access over Thunderbolt 5 in macOS Tahoe 26.2, clustering these devices has become significantly faster. The software automatically detects connected devices and allows users to browse, download, and load open-weight models directly within the interface without requiring manual configuration.

Features and Business Focus

The application aims to provide a private inference server where user data remains entirely on local hardware rather than reaching the cloud. By linking two or more Thunderbolt 5-capable Mac computers, the software pools unified memory into a single inference resource to run models exceeding a single computer's capacity or handle higher concurrent requests.

Although an App Store listing for the software was discovered and subsequently removed, the product remains in early access and is not yet publicly available. Because Claris is historically known for its enterprise database platform filemaker, the sign-up page's requirement for a company name suggests a strong business focus, though Apple's ultimate pricing and marketing strategy remain unclear.

Mac users already have access to various tools for local artificial intelligence, such as LM Studio for single-computer deployment and Exo as an open-source clustering utility. However, the upcoming Apple utility appears to merge simple user management with advanced hardware clustering.