China Mobile China Mobile CNNIC Huawei This document provides a systematic analysis of these emerging agent- based use cases. It categorizes them into distinct scenarios, details their specific authorization requirements, and performs a comprehensive gap analysis against the existing OAuth 2.0 framework[RFC6749] and its common extensions. The analysis identifies fundamental gaps and requirements, providing a foundation for future work on new extensions within the OAuth Working Group toward creating a more secure and interoperable ecosystem for agent- based systems.