cstack is a Codex-native workflow stack inspired by gstack. The goal is simple: give Codex explicit working modes so planning, review, QA, and shipping feel consistent instead of improvised.

What cstack includes

  • plan-product-review for clarifying the real user outcome and shaping a sharp v1
  • plan-eng-review for architecture, risks, failure modes, and test planning
  • review for bug-focused and regression-focused code review
  • ship for release readiness and last-mile delivery checks
  • qa for quick, standard, or full validation passes
  • retro for capturing what worked and what should improve next

Why this is useful

AI coding tools are strongest when the task is framed clearly. Product thinking is not the same as engineering planning. Code review is not the same as release execution. cstack makes those modes explicit.

How to use it

  1. Start with $plan-product-review when the request is still fuzzy.
  2. Move to $plan-eng-review when the feature direction is clear and implementation needs structure.
  3. Use $review after coding to catch correctness and regression risks.
  4. Run $ship before merge or release.
  5. Use $qa when you want structured validation evidence.
  6. Finish with $retro if you want to improve the next cycle.

Example workflow

A typical feature flow might look like this:

  • Idea arrives -> $plan-product-review
  • Architecture locked -> $plan-eng-review
  • Implementation complete -> $review
  • Release prep -> $ship
  • Validation -> $qa
  • Learning loop -> $retro

Installation

The project is available publicly on GitHub:

https://github.com/SilentJMA/codex-cstack

mkdir -p "$CODEX_HOME/skills"
git clone https://github.com/SilentJMA/codex-cstack.git "$CODEX_HOME/skills/cstack"
cd "$CODEX_HOME/skills/cstack"
./setup

The repository includes installation notes for macOS, Linux, Windows PowerShell, and WSL/Git Bash.

AGENTS.md integration

cstack also includes an AGENTS.md snippet that routes planning, review, and shipping to the right skills by default. This is helpful when multiple contributors are working in the same repository.

Resources

FAQ

Is cstack only for Codex?

It is designed for Codex skill triggering and Codex-style workflows.

Do I need all the skills?

No. You can start with review and ship, then add the planning and QA modes as your workflow grows.

Who is this best for?

Builders and teams who want more consistent delivery quality from AI-assisted development.

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