brew tap cablyst/tap
brew trust cablyst/tap
brew install --cask cablyst
Menu-bar app + CLI on your PATH. brew trust clears Homebrew's one-time third-party-tap prompt.
The engine, without the menu bar
Same readings. In your shell.
One binary that pulls the same IOKit/SMC data as the app and prints it as text or JSON. Watch a port update live, pipe it through jq, or wire it into a script.
Install (recommended)
CLI only
brew tap cablyst/tap
brew trust cablyst/tap
brew install cablyst-cli
For minimalists and servers.
Port-USB-C@2Genuine
charging96 W · 20.0 V · 4.80 A
cable5 A · 40 Gbps · USB4
$ cablyst --power --watch1 Hz live readout
$ cablyst --json | jqmachine-readable
| Flag | Does |
|---|---|
| (none) | Scan every port and print a plain-language summary. |
| --watch | Continuous 1 Hz monitoring; newline-delimited JSON with --json. |
| --json | Machine-readable output for scripting. |
| --power | Live per-port power (Pro). |
| --authenticity | Counterfeit red-flag score (Pro). |
| --report | Print a cable report to submit to the database. |