Apple's Claris Testing 'Harbor' App for Local AI on Macs

Apple's Claris subsidiary is testing an app called Harbor , which turns Apple silicon Macs into a private AI server. Harbor works with a single Apple silicon Mac, but it also supports connecting multiple Mac computers over Thunderbolt 5 to pool unified memory for larger models. Apple added RDMA over Thunderbolt 5 with macOS Tahoe 26.2, making clustering faster. Harbor detects devices connected…