openspec

Install command: 
brew install openspec

Spec-driven development (SDD) for AI coding assistants

https://openspec.dev/

License: MIT

Development: Pull requests

Formula JSON API: /api/formula/openspec.json

Formula code: openspec.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 golden gate ✅
tahoe ✅
sequoia ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.16.1

Depends on:

node 26.13.0 Open-source, cross-platform JavaScript runtime environment

Binaries: openspec

GitHub Packages downloads:

Last 30 days20,865
Downloads69,994
Analytics install events (30 days)2,747
Downloads / install events (30 days)7.6×

Source: GitHub Packages, fetched 2026-11-09T00:53:21Z. Analytics dates: 2026-10-10 to 2026-11-09. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs2,7425,85410,063
Installs (--HEAD)51320
Installs on Request2,7425,85410,063
Installs on Request (--HEAD)51320
Build Errors0