Claude Skills can now be integrated into Codex CLI through a simple enumerator script, streamlining their functionality across multiple platforms. This integration allows for the use of skills defined in a directory structure that includes a SKILL.md file with essential YAML front-matter. The design is vendor-agnostic, allowing users to leverage these skills without being tied to one specific tool or platform. The article credits Anthropic for creating a straightforward format that facilitates this compatibility. The author details the setup process, starting with cloning Anthropic’s skills repository into a Codex project. A new paragraph was added to AGENTS.md to explain how Codex reads the YAML front-matter to enumerate skills. The key innovation here is a lightweight skills enumerator, which scans for SKILL.md files and generates a minimal JSON array with the necessary details. This setup allows Codex to access and utilize skills efficiently, as demonstrated by a successful test where it generated a PDF document using the defined skills. To enhance usability, the author suggests treating skills and the enumerator as global assets. By placing skills in Codex's installation folder and adding the enumerator to the system PATH, all projects can access the same skill set without duplication. This approach simplifies updates—changes made in one location reflect across all projects. The article concludes with an example of what the skills enumeration looks like, providing concrete descriptions of skills like PDF manipulation and algorithmic art creation, further illustrating the utility of this integration.