cfn-lint 1.44.0

Checks CloudFormation templates for practices and behaviour that could potentially be improved

Stars: 2607, Watchers: 2607, Forks: 624, Open Issues: 103

The aws-cloudformation/cfn-lint repo was created 7 years ago and the last code push was 39 minutes ago.
The project is very popular with an impressive 2607 github stars!

How to Install cfn-lint

You can install cfn-lint using pip

pip install cfn-lint

or add it to a project with poetry

poetry add cfn-lint

Package Details

Author

Kevin DeJong

License

None

Homepage

None

PyPi:

https://pypi.org/project/cfn-lint/

Documentation:

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

GitHub Repo:

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

Classifiers

Related Packages

Errors

A list of common cfn-lint errors.

Code Examples

Here are some cfn-lint code examples and snippets.

GitHub Issues

The cfn-lint package has 103 open issues on GitHub

• chore(deps): bump setuptools from 80.9.0 to 80.10.2 in /requirements
• E3031 with AWS Managed Policies in If function
• Update CloudFormation schemas to 2026-01-26
• cfn-lint as pre-commit hook fails with "–non-zero-exit-code": maximum recursion depth exceeded
• Enhanced ForEach support
• Noisy pydantic warning when using cfn-lint
• E3012 for Fn::Rain::S3Http

See more issues on GitHub