In October 2025, Chris Lee contributed to the dagger/container-use repository by implementing an Agent Rules File Setup to streamline Codex integration. Chris focused on improving onboarding by adding clear documentation and a shell script that automates the creation of the Codex configuration directory and downloads the necessary agent rules file. This work, delivered in Markdown and Shell, reduced manual setup steps for users integrating Codex with agents, enhancing reliability and ease of use. The contribution established foundational configuration scaffolding, supporting future integration efforts and demonstrating a practical approach to documentation and automation within the repository’s evolving technical landscape.