slack-cli

Install command: 
brew install --cask slack-cli

Name: Slack CLI

CLI to create, run, and deploy Slack apps

https://docs.slack.dev/tools/slack-cli/

Cask JSON API: /api/cask/slack-cli.json

Cask code: slack-cli.rb on GitHub

Current version: 3.9.1

Requirements: macOS >= 10.15

Versions:

Intel tahoe 3.9.1
sequoia 3.9.1
sonoma 3.9.1
ventura 3.9.1
monterey 3.9.1
big sur 3.9.1
catalina 3.9.1

Analytics:

Installs (30 days)
slack-cli 271
Installs (90 days)
slack-cli 733
Installs (365 days)
slack-cli 2,614