Yang Leyland authored comprehensive documentation for the Client Credentials Grant flow in the mintlify/docs repository, enabling programmatic access to authenticated MCP servers without relying on browser-based OAuth. By integrating API concepts and OAuth protocols, Yang clarified credential handling and updated guidance for managing client secrets, removing outdated instructions to align with current security practices. The work, written in Markdown, focused on improving developer onboarding and reducing integration friction by providing clear, actionable documentation. Although no bugs were fixed during this period, the depth of the documentation update addressed both usability and security, supporting developers in adopting secure authentication patterns for MCP.