Justin improved onboarding and usability for remote workspaces in the Factory-AI/factory repository by delivering targeted documentation enhancements. He focused on updating Markdown-based guides to clarify the setup of custom commands, providing detailed environment information and practical examples to streamline workspace configuration and code execution. Justin also deprecated outdated devcontainer documentation, reducing confusion and aligning guidance with current tooling and best practices. His work emphasized maintainability and reduced support overhead, ensuring that new users could access and use remote environments more efficiently. Throughout the project, Justin applied best practices in documentation and technical writing to support a smoother developer experience.