The Capacity Mapping System (CMS) is an easy-to-use, systems-oriented tool based on the Enhanced Capacity Development Framework that assists partners and program implementers in identifying needed capacity development course corrections in a timely manner. This guide provides an overview of the CMS and the steps to use it. The guide is developed for any organization seeking to enhance its performance in order to achieve specific objectives. It is designed to place organizational priorities, constraints, and context in the center of a capacity mapping process, that will result in both a more accurate understanding of what drives performance, and greater ownership over the 100-day improvement plans. It may also be of interest to donors and implementing partners supporting the capacity of the organization which in the context of a project or partnership relationship.