steamcmd

Install command: 
brew install --cask steamcmd

Name: SteamCMD

Command-line client for Steam

https://developer.valvesoftware.com/wiki/SteamCMD

Cask JSON API: /api/cask/steamcmd.json

Cask code: steamcmd.rb on GitHub

Current version: 1751406682

Current version requires: macOS >= 10.11

steamcmd is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
steamcmd 237
Installs (90 days)
steamcmd 748
Installs (365 days)
steamcmd 2,455