It seems like having local lambda emulation would be useful as a companion to this. If I ever do some lamba development I'd love to see integration with emulators like https://github.com/HDE/python-lambda-local, https://serverlesscode.com/post/emulambda-testing-aws-lambda..., or https://ashiina.github.io/2015/01/lambda-local/ (some or all of these may work already, I can't tell just by eyeballing the projects from a distance)