Code in an Opus session, using Fable subagent to plan and Codex to write code and finally Fable subagent review for every task.

A developer created a workflow using Anthropic's Opus session with Fable subagent for planning and review, and Codex for code generation. The process involves writing a plan.md for each task, requiring approval before implementation, then using Codex to write code, followed by review and smoke testing before committing.

| name | cook | |---|---| | description | Code in an Opus session, using Fable subagent to plan and Codex to write code and finally Fable subagent review for every task. | | user-invokable | true | Implement all tasks given to you. Use a Fable high subagent to write a plan.md for each task. Require my approval for all plans before beginning implementation. Then write all code by calling out to codex exec for each task using codex --yolo exec -c model="gpt-5.5" -c model reasoning effort="high" < plan.md allow cmd to run for up to 20 minutes , then review code using a subagent with Fable high and smoke testing new features usage a subagent with Opus medium by running pnpm dev and doing real requests, before committing and pushing, then moving onto next task. Remember that every subagent or codex session is completely independent and must be given the full context it needs to complete its work.