This repository contains a sample IAM permissions boundary as a starting point for creating your own permissions boundary to meet the security needs of your organization. The IAM permissions boundary sample, when attached to an IAM role, allow it to perform all expected workload tasks without being able to modify the security of its environment.
Why do you think that https://github.com/aws-samples/aws-iam-access-analyzer-samples is a good alternative to example-permissions-boundary