This post discusses the integration of Codex, a coding agent, with GitLab to improve debugging effectiveness through an automated workflow. It presents three practical use cases for fixing bugs in a Rust WebSocket application, demonstrating how Codex can enhance the developer experience by addressing code issues and efficiently managing the software delivery lifecycle with GitLab's support. The enhancements to workflow are emphasized through Codex's capabilities in context awareness and addressing review feedback directly within GitLab merge requests.