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openspec for Mac

Spec-driven development (SDD) for AI coding assistants

Quick answer: openspec is a command-line tool for macOS. Install it with brew install openspec. It is distributed under the MIT licence. It has 2,692 Homebrew installs in the last 30 days.

What openspec is

openspec is a command-line tool for macOS: spec-driven development (SDD) for AI coding assistants.

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

How to install openspec

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

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 openspec on Mac?

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

Is openspec open source?

Yes — Homebrew distributes it under the MIT licence.

Does openspec 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 openspec?

It was installed 2,692 times in the last 30 days according to Homebrew analytics, ranking #540 in this catalogue.

What version of openspec is current?

The latest packaged version is 1.15.0.