The Architecture Repository is a software tool that stores key architectural inputs and outputs, including Architectures themselves, their constituent elements, standards, references, principles and the Governance Register. Regardless of the Architecture Framework or Architecture Language selected. An enterprise architecture repository is therefore a collection of artifacts that describes the current and intended enterprise landscape of an organization. The purpose of the enterprise architecture repository is to represent the organization's inventory of technology, data, applications, and business artifacts and to show the relationships among these components. This is achieved by creating diagrams and visualizations based on the contents of the architecture repository.

By using an architecture repository, a new architecture approach is introduced that makes the architecture process and the products more efficient. These goals are related to the outcome achieved by the capabilities. Diagram is based on the ArchiMate Motivation extension.