concepts/customization.md Codex Docs, 2026-03-27 00:39 UTC → 2026-03-31 00:39 UTC

57Use skill folders to author and iterate on workflows locally. If a plugin57Use skill folders to author and iterate on workflows locally. If a plugin

58already exists for the workflow, install it first to reuse a proven setup. When58already exists for the workflow, install it first to reuse a proven setup. When

59you want to distribute your own workflow across teams or bundle it with app59you want to distribute your own workflow across teams or bundle it with app

60integrations, package it as [plugins](https://developers.openai.com/codex/plugins). Skills remain the60integrations, package it as a [plugin](https://developers.openai.com/codex/plugins/build). Skills remain the

61authoring format; plugins are the installable distribution unit.61authoring format; plugins are the installable distribution unit.

62 62 

63A skill is typically a `SKILL.md` file plus optional scripts, references, and assets.63A skill is typically a `SKILL.md` file plus optional scripts, references, and assets.