dont think this is in homebrew/core, brew install snitch may be a different package, could you paste brew info snitch output? if its not this project, i will add a note to the readme to avoid confusion. but i will be creating a homebrew cask soon
$ brew info snitch
==> snitch: stable 0.1.8 (bottled), HEAD
Prettier way to inspect network connections
https://github.com/karol-broda/snitch
Installed
/opt/homebrew/Cellar/snitch/0.1.8 (9 files, 8.4MB) \*
Poured from bottle using the formulae.brew.sh API on 2025-12-23 at 15:32:41
From: https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/s/snitch.rb
License: MIT
==> Dependencies
Build: go
==> Options
--HEAD
Install HEAD version