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codex

Generate structured Codex evaluations with PASS/FAIL verdicts for plans.

3|Updated Feb 2, 2026
Search Tags:#codex#session continuity#adversarial testing#ai review#second opinion#strategy validation#pass fail verdict
One-click install
npx skills add https://github.com/pedropaulovc/agent-plugins --skill codex-pedropaulovc
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/pedropaulovc/agent-plugins/tree/main/plugins/gstack-entrepreneur/skills/codex
Command: npx skills add https://github.com/pedropaulovc/agent-plugins --skill codex-pedropaulovc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps you validate strategy, ideas, and plans by getting an independent analysis from OpenAI Codex that does not share context with your prior Claude conversation, reducing blind spots and shared assumptions.

Core Features & Use Cases

  • Review mode: Runs Codex against a plan/idea and produces findings with a clear PASS/FAIL verdict, flagging critical issues as you iterate.
  • Challenge mode: Stress-tests a plan/idea adversarially to surface weaknesses, failure modes, and overlooked risks.
  • Consult mode with continuity: Lets you ask free-form questions while preserving a Codex session, useful for iterative refinement across multiple turns.

Quick Start

Ask for a second opinion by saying: Review my plan for launching a new feature and end with a PASS or FAIL verdict, listing each finding with priority.

Frequently Asked Questions about codex

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

FAQPage Schema
How do I get an independent second opinion on my strategy from Codex without sharing prior context?▼

The Skill generates an independent Codex second opinion by keeping Codex isolated from prior Claude context via a strict prompt boundary. This eliminates shared assumptions and provides a fresh, unbiased evaluation of your strategy, ideas, and plans.

Can I get a clear pass or fail verdict when reviewing a proposed plan?▼

Yes, review mode runs Codex against your proposed plan and produces structured findings with an explicit PASS/FAIL verdict. It flags critical issues during iteration, ensuring your approach meets required validation criteria before proceeding.

What is adversarial testing for strategy validation and how does it surface failure modes?▼

Adversarial testing stress-tests a plan to surface weaknesses, failure modes, and overlooked risks. The challenge mode applies this technique to identify vulnerabilities in your proposed approaches before execution, ensuring robust strategy validation.

How do I maintain session continuity when consulting an AI for iterative refinement?▼

To maintain session continuity during iterative refinement, use consult mode. It preserves a Codex session across multiple turns, allowing you to ask free-form questions and iteratively refine your ideas without losing context or continuity.

Does this approach work for reviewing documents and proposed approaches in challenge scenarios?▼

Yes, this approach works for reviewing documents and proposed approaches in review, challenge, and consult scenarios. It applies adversarial weakness finding and explicit gating to validate your plans across these distinct evaluation modes.

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