Show HN: Cable Detective

Category: cli-tool

Tags: usb-c, thunderbolt, macos, power-delivery, displayport, privacy

Score: 6.7/10 (Innovation: 6, Technical: 7, Documentation: 5, Utility: 7)

Cable Detective is a macOS app that decodes and displays real-time USB-C, Thunderbolt, and MagSafe port activity on Apple Silicon Macs, including power delivery, data speed, and DisplayPort lane state. It is notable for its offline privacy-first approach, no telemetry, and optional on-device AI explanations using Apple's Foundation Models.

Target audience: backend devs, devops, hardware engineers

Repository: https://apps.apple.com/us/app/cable-detective/id6765963737?mt=12

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