Command-line tool

cfn-lint

brew/cfn-lint

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Validate CloudFormation templates against the CloudFormation spec

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

pipx install cfn_lint

macOS

brew install cfn-lint
pipx install cfn_lint

Linux

brew install cfn-lint
pipx install cfn_lint

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