The Agile Coaching Growth Wheel is a framework aimed at professionalizing agile coaching by establishing core competencies that help practitioners enhance their skills through self-assessment, feedback, and reflective practices. It includes various competencies such as transforming, leading, advising, and coaching, which aim to support individual and organizational growth. The document also outlines a five-level skill progression for agile coaches, ranging from beginner to catalyst, and provides guidelines for utilizing the framework effectively.