YKYH Picks
☰ Menu
Home›Command-Line Tools›cfn-lint
CLI Open source 1,712 installs/mo

cfn-lint for Mac

Validate CloudFormation templates against the CloudFormation spec

Quick answer: cfn-lint is a command-line tool for macOS. Install it with brew install cfn-lint. It is distributed under the MIT-0 licence. It has 1,712 Homebrew installs in the last 30 days.

What cfn-lint is

cfn-lint is a command-line tool for macOS: validate CloudFormation templates against the CloudFormation spec.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. The project is open source and lives at https://github.com/aws-cloudformation/cfn-lint/.

How to install cfn-lint

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

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.

Similar apps in Command-Line Tools

Closest apps in the same category, ordered by description similarity and install base. These are related tools, not confirmed substitutes; the comparison pages cover hand-picked head-to-head matchups.

specifyToolkit to help you get started with Spec-Driven DevelopmentCLIOpen source1,539/moopenapi-generatorGenerate clients, server & docs from an OpenAPI spec (v2, v3)CLIOpen source1,391/mousageTool for working with usage-spec CLIsCLIOpen source1,337/monucleiHTTP/DNS scanner configurable via YAML templatesCLIOpen source1,312/mologcliRun LogQL queries against a Loki serverCLIOpen source1,188/moopenspecSpec-driven development (SDD) for AI coding assistantsCLIOpen source2,692/mo

Frequently asked questions

How do I install cfn-lint on Mac?

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

Is cfn-lint open source?

Yes — Homebrew distributes it under the MIT-0 licence.

Does cfn-lint 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 cfn-lint?

It was installed 1,712 times in the last 30 days according to Homebrew analytics, ranking #729 in this catalogue.

What version of cfn-lint is current?

The latest packaged version is 1.58.0.