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Built 26/04/17 09:08commit f8ff6f9

Codex Agent Skills

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Summary

This source defines skills as Codex's reusable workflow unit: a focused package of instructions, optional scripts, and optional metadata that can be discovered locally or distributed more broadly through plugins.

Source

Key Contributions

  • Separates skills from plugins: skills define reusable methods, while plugins are the installable distribution package.
  • Clarifies explicit and implicit skill invocation, making description quality a key control point.
  • Maps the discovery scopes for repo, user, admin, and system skills.
  • Documents how per-skill enable/disable rules and optional UI/tool metadata are configured.

Strongest Claims

  • Skills should stay narrow and opinionated rather than trying to be universal prompt bundles.
  • Description text is operational, because it determines whether implicit invocation will be safe and accurate.
  • Local iteration should come before broad distribution.