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CLI Open source 1,953 installs/mo

opa for Mac

Open source, general-purpose policy engine

Quick answer: opa is a command-line tool for macOS. Install it with brew install opa. It is distributed under the Apache-2.0 licence. It has 1,953 Homebrew installs in the last 30 days.

What opa is

opa is a command-line tool for macOS: open source, general-purpose policy engine.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. It is distributed under the Apache-2.0 licence.

How to install opa

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install opa.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install opa on Mac?

Run brew install opa in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is opa open source?

Yes — Homebrew distributes it under the Apache-2.0 licence.

Does opa run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is opa?

It was installed 1,953 times in the last 30 days according to Homebrew analytics, ranking #675 in this catalogue.

What version of opa is current?

The latest packaged version is 1.21.4.