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gstack-codex

Run OpenAI Codex CLI review, challenge, and consult modes with pass/fail gating.

Updated May 19, 2026
Search Tags:#diff analysis#code review#debugging#codex#session continuity#adversarial testing#voice triggers
One-click install
npx skills add https://github.com/anilveersingh1308/copilot-skills --skill gstack-codex-anilveersingh1308
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: gstack-codex
Source: https://github.com/anilveersingh1308/copilot-skills/tree/main/.github/skills/gstack-codex
Command: npx skills add https://github.com/anilveersingh1308/copilot-skills --skill gstack-codex-anilveersingh1308

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps you get higher-confidence code outcomes by running a structured OpenAI Codex workflow for independent review, adversarial challenge, and ongoing consult-style follow-ups.

Core Features & Use Cases

  • Three Codex modes (review, challenge, consult): perform independent diff-based review with pass/fail gating, run an adversarial mode to try to break your code, or consult Codex with session continuity for iterative follow-ups.
  • Prompting for “codex” intent with routing-friendly triggers: use natural-language or voice trigger variants that map to the Codex wrapper behavior for predictable activation.
  • Execution in a plan-safe, tool-scoped workflow: supports planning-phase guidance while still enabling AskUserQuestion as the workflow entry/exit gate for interactive decisions.

Use case: Before merging a PR, ask for “codex review” to validate your diff, then ask for “codex challenge” to surface edge cases and failure modes you missed, and finally “consult codex” to iterate on fixes with continuity.

Quick Start

Use the gstack-codex skill when you want codex review, codex challenge, or a second opinion about your code by asking for “codex review” or “codex challenge” (or using the voice aliases “code x” / “code ex” / “get another opinion”).

Frequently Asked Questions about gstack-codex

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I get an independent code review for my PR diff before merging?▼

Independent code review for your PR diff is done by triggering codex review mode, which validates your changes with pass/fail gating. It analyzes the diff to highlight potential issues before you merge.

What is adversarial testing for finding failure modes in my code?▼

Adversarial testing for finding failure modes is a process where a system actively tries to break your implementation. The codex challenge mode executes this to surface edge cases and vulnerabilities you missed during development.

How do I use session continuity for iterative debugging and design refinement?▼

To use session continuity for iterative debugging, enter consult mode. This allows you to ask follow-up questions and iterate on fixes while maintaining the context of your previous review and challenge sessions.

Can I use voice triggers to activate codex review and challenge modes?▼

Yes, you can use voice triggers to activate codex modes. Natural-language or voice aliases like "code x", "code ex", and "get another opinion" map directly to the routing-friendly triggers for the workflow.

Does the codex workflow support interactive decisions during code review?▼

Yes, the codex workflow supports interactive decisions during code review by using a plan-safe execution policy. It enables an AskUserQuestion tool-based gate for structured entry and exit decisions during your session.

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