cfn-lint

Install command:
brew install cfn-lint

Validate CloudFormation templates against the CloudFormation spec

https://github.com/aws-cloudformation/cfn-lint/

License: MIT-0

Formula JSON API: /api/formula/cfn-lint.json

Formula code: cfn-lint.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
sequoia
sonoma
ventura
macOS on
Intel
sonoma
ventura
Linux ARM64
x86_64

Current versions:

stable 1.32.1

Depends on:

libyaml 0.2.5 YAML Parser
python@3.13 3.13.2 Interpreted, interactive, object-oriented programming language

Depends on when building from source:

rust 1.85.1 Safe, concurrent, practical language

Analytics:

Installs (30 days)
cfn-lint 5,082
cfn-lint --HEAD 10
Installs on Request (30 days)
cfn-lint 4,799
cfn-lint --HEAD 10
Build Errors (30 days)
cfn-lint 0
Installs (90 days)
cfn-lint 12,586
cfn-lint --HEAD 27
Installs on Request (90 days)
cfn-lint 11,873
cfn-lint --HEAD 27
Installs (365 days)
cfn-lint 62,411
cfn-lint --HEAD 106
Installs on Request (365 days)
cfn-lint 53,781
cfn-lint --HEAD 106
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