If you want to explore what exists, start with the Codex platform collection. This guide is for the next stage: picking a small starting set and validating fit before you roll anything out more widely.
Do not install by brand match alone. Decide whether your first use case is:
That choice determines which skills you should test first.
A good Codex starter set is usually smaller than people expect. Begin with one repository workflow, one review workflow, and one adjacent automation workflow. On this site that usually means comparing Codex skills, GitHub skills, and Browser Automation skills.
Before broader rollout, verify:
If your real question is how project conventions fit in, continue with the Codex AGENTS.md guide.
Browse Codex skills, compare GitHub skills, and keep How to use Codex skills for workflow evaluation rather than installation.