Glen developed foundational messaging infrastructure in the cloudflare/agents repository, introducing the McpAgent class using TypeScript and Cloudflare Workers. This class extends DurableObject to manage state and facilitate server-sent events, implementing session-based routing and CORS handling to improve client communication reliability. The work lays the groundwork for future unification of agent structures and scalable, server-driven messaging. Additionally, Glen enhanced documentation quality in cloudflare/workers-oauth-provider by correcting a README typo, supporting clearer onboarding. His contributions reflect a thoughtful approach to both backend protocol design and developer experience, demonstrating depth in full stack development and attention to maintainability and technical detail.