Port your Claude Code skills to Codex and compare

A Rails developer used Codex more than Claude Code for a week and had Codex convert his Claude skills.

Difficulty
BeginnerOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
248 HN points281 comments · fetched Oct 15, 2026

What they did

Lucian Ghinda pointed Codex at his Claude skills folder to convert them, then worked in both.

How it went

He found Codex left fewer comments in Ruby code and favored many small focused sessions.

Worth knowing

Personal impressions after one week.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

  • Codex
  • Claude Code

Steps

  1. Open the repo in your coding agent and describe the goal and constraints.
  2. Ask for a plan first, then let it implement in small, reviewable steps.
  3. Run the tests or the app after each step and feed errors back.
  4. Review the diff before merging.

Starter prompt

Read every skill in ~/.claude/skills and convert each one to the Codex format, keeping the same behavior.

Tags

Read the original

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