I made an IDE plugin for AWS Lambda local dev, debugging and hot-reload
MerLoc (https://github.com/thundra-io/merloc) is a live AWS Lambda function development and debugging tool. MerLoc allows you to run AWS Lambda functions on your local while they are still part of a flow in the AWS cloud remote and improves your productivity by applying your local changes to the function without need to build, package and re-deploy. For making MerLoc experience easier and smoother, I have published an IntelliJ IDEA plugin (https://plugins.jetbrains.com/plugin/19836-merloc--aws-lambd...). So IntelliJ IDEA users can develop, debug and…
In plain words
MerLoc is an IntelliJ IDEA plugin that enables developers to run and debug AWS Lambda functions locally while they remain connected to remote cloud workflows. It automatically applies local code changes without requiring rebuilds or redeployment, streamlining development for Java-based Lambda functions. The plugin is designed for AWS developers using IntelliJ who want faster iteration cycles during Lambda function development and debugging.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
MerLoc (https://github.com/thundra-io/merloc) is a live AWS Lambda function development and debugging tool. MerLoc allows you to run AWS Lambda functions on your local while they are still part of a flow in the AWS cloud remote and improves your productivity by applying your local changes to the function without need to build, package and re-deploy. For making MerLoc experience easier and smoother, I have published an IntelliJ IDEA plugin (https://plugins.jetbrains.com/plugin/19836-merloc--aws-lambd...). So IntelliJ IDEA users can develop, debug and hot-reload their Java based AWS Lambda functions from their local IDEs easily with MerLoc.
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