Auto-Console-Group is a JavaScript library that automatically groups console messages by each Event Loop iteration, making debugging easier by providing a more organized and readable console output. It's a drop-in replacement for the full console API, adding features like automatic grouping, timestamping, and a microtask to ensure groups are closed on time. This tool is designed for developers who want to improve their debugging experience by taming the JavaScript console and gaining better insights into their application's behavior.