How can I create custom agents (e.g., Review, Test, Refactor) using the Codex CLI?

[grandimam]

Hi everyone

I have been experimenting with the OpenAI Codex CLI, and I would like to build a setup similar to Claude Code, where I can define multiple specialized agents — for example:

• Review Agent – analyzes code for bugs, style, and security issues
• Test Agent – generates or updates unit tests
• Refactor Agent – improves readability or structure while preserving functionality

My goal is to orchestrate these agents in sequence (e.g., review → refactor → test), possibly using shell scripts or the Agents SDK.

What I’d love to know is:

• What’s the best way to define and run custom Codex CLI profiles or roles for each agent?
• Can I script multi-step workflows using the CLI alone, or should I integrate it with the Agents SDK?
• Are there any recommended patterns for sharing context between CLI runs (like passing review output to a refactor agent)?

Has anyone built something similar and can share examples or configuration tips? Any guidance, example workflows, or repo links would be really appreciated.

Thanks in advance!