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codex-startup-user-simulator-skill

Kappaemme-git

A Codex skill that tests landing pages through five simulated customer personas, providing evidence-based analysis of conversion friction and prioritized fixes.

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32

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Forks

3

Open issues

0

License

MIT

Last updated

2026-07-12

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

It offers a structured, repeatable method for early-stage product evaluation, combining five distinct personas with observed evidence and simulation labels, which helps founders quickly identify conversion leaks without costly user research.

Who it is for

  • Startup founders testing landing pages
  • Product managers evaluating conversion friction
  • UX designers seeking rapid persona-based feedback
  • Marketers optimizing copy and calls-to-action

Use cases

  • Quickly validate a landing page before launch
  • Compare two versions of a page (before/after redesign)
  • Analyze mobile conversion journeys for a prototype
  • Pinpoint confusing copy and improve CTA language

Strengths

  • Supports multiple input types (URLs, localhost, screenshots, copy)
  • Produces a polished HTML report with scorecard and prioritized fixes
  • Clearly labels all findings as simulation to avoid misleading users
  • Offers five distinct modes for different evaluation needs

Considerations

  • Requires the Codex platform to be installed and running
  • Simulations are heuristic-based, not a substitute for real user testing
  • Limited to five personas, which may not cover all customer segments

README quick start

Installation

Description

A Codex skill that tests landing pages with five evidence-based simulated customer personas.

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