Codex Gut-Check

Audit marketing launch materials for strategic alignment and competitive differentiation.

28|6|Updated Apr 23, 2026
One-click install
npx skills add https://github.com/EveryInc/Marketing-OS --skill codex-gut-check
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Codex Gut-Check
Source: https://github.com/EveryInc/Marketing-OS/tree/main/launches/codex-gut-check
Command: npx skills add https://github.com/EveryInc/Marketing-OS --skill codex-gut-check

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill prevents launch failures by identifying gaps, contradictions, and weak positioning in web copy and strategy before they are finalized for design or development.

Core Features & Use Cases

  • Adversarial Review: Simulates a cold reader, a competitor's CMO, and target archetypes to stress-test messaging.
  • Claims Inventory: Automatically extracts and tags all stats, quotes, and pricing for verification.
  • Use Case: Before wireframing a new product launch, use this skill to ensure your web copy aligns with your master brand voice and actually differentiates you from competitors.

Quick Start

Run the codex gut-check by providing the launch strategy document, master brand positioning, competitive audit, and the current web copy draft.

Frequently Asked Questions about Codex Gut-Check

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

FAQPage Schema
How do I audit web copy for strategic alignment before a product launch?

To audit launch web copy for strategic alignment, perform an adversarial review simulating a cold reader, a competitor's CMO, and target archetypes to stress-test messaging against brand positioning and competitive claims.

What is adversarial pressure-testing for marketing launch materials?

Adversarial pressure-testing for marketing materials is a multi-pass validation protocol that evaluates web copy against brand guidelines, customer archetypes, and verified competitive claims to identify logical inconsistencies and weak positioning.

How do I verify competitive claims and stats extracted from my draft web copy?

Verifying competitive claims and stats from draft web copy requires executing a claims inventory that automatically extracts and tags all statistics, quotes, and pricing data for validation against your competitive audit documentation.

What documents do I need to provide for a launch strategy positioning audit?

For a launch strategy positioning audit, you need to provide the launch strategy document, master brand positioning guidelines, competitive audit, and the current web copy draft to execute the validation protocol.

When should I run a positioning audit on my marketing copy?

Run a positioning audit on marketing copy before wireframing a new product launch to ensure your web copy aligns with your master brand voice and differentiates you from competitors before finalizing for design or development.

Does this adversarial marketing review work without a master brand guidelines document?

No, this adversarial marketing review requires a comprehensive input set including master brand guidelines to evaluate web copy against brand voice and ensure strategic alignment during the multi-pass validation protocol.