Effective agility coaching requires more than measuring performance outcomes. it demands a structured understanding of how athletes move. This article presents a practical framework for using qualitative technique analysis to evaluate and develop agility actions by combining biomechanical principles with systematic observation. The authors review current field-based assessment tools for change of direction (COD), highlighting their strengths while noting their primary focus on injury risk and side-step cutting. They then introduce a flexible framework that breaks agility movements into distinct phases and sub-phases, allowing practitioners to identify critical movement features, apply biomechanical principles and evaluate technique across a wide range of sport-specific actions, including 180° pivots. The framework links movement quality with underpinning physical qualities such as eccentric strength, reactive strength, sprint speed and trunk stability, enabling coaches to identify technical deficiencies and prescribe targeted interventions. Practical guidance is also provided on coaching cues, observational focus and drill design to translate biomechanical understanding into effective coaching practice. The authors conclude that a qualitative framework can help practitioners make more informed coaching decisions, improve agility performance and address technical errors while balancing both performance enhancement and injury risk reduction.