Skills, MCPs, /commands, agents, hooks, plugins, etc. I package https://charleswiltgen.github.io/Axiom/ as an easily-installable Claude Code plugin, and AFAICT I'm not able to do that for any other AI coding environment.
That hasn't been my experience, although I'm happy to accept that I'm the problem. Apparently they've released their skills support (?), so I should try again. https://developers.openai.com/codex/skills
