{"repo":"aws-cloudformation/cfn-lint","free":true,"listed":false,"github":"https://github.com/aws-cloudformation/cfn-lint","clone":"git clone https://github.com/aws-cloudformation/cfn-lint.git","description":"CloudFormation Linter","language":"Python","stars":2639,"topics":["cloudformation","aws","aws-cloudformation","linter","cfn-lint"],"license":"MIT-0","category":"dev-tools","readme_excerpt":"AWS CloudFormation Linter Validate AWS CloudFormation yaml/json templates against the AWS CloudFormation resource provider schemas and additional checks. Includes checking valid values for resource properties and best practices. Warning This is an attempt to provide validation for AWS CloudFormation templates properties and their values. For values things can get pretty complicated (mappings, joins, splits, conditions, and nesting those functions inside each other) so it's a best effort to validate those values but the promise is to not fail if we can't understand or translate all the things that could be going on. Contribute We encourage you to contribute to cfn-lint ! Please check out the Contributing Guidelines for more information on how to proceed. Community Join us on Discord! Connect & interact with CloudFormation developers & experts, find channels to discuss and get help for cfn-lint, CloudFormation registry, StackSets, Guard and more: Serverless Application Model The Serverless Application Model (SAM) is supported by the linter. The template is transformed using AWS SAM before the linter processes the template. To get information about the SAM Transformation, run the linter with --info Install Python 3.10 to 3.14 are supported. Pip pip install cfn-lint . If pip is not available, run python setup.py clean --all then python setup.py install . Optional dependencies cfn-lint has optional dependencies based on certain features you may need. pip install cfn-lint[full] for","default_branch":null,"files":null,"tree":[],"storefront":"/r/aws-cloudformation","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/aws-cloudformation/cfn-lint/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}