wtf is skill-efficiency-reviewer?

Skill Efficiency Reviewer is a reusable skill for the Codex AI coding tool that audits other Codex skills for quality and usability before you put them into regular use. In Codex, a "skill" is a packaged set of instructions that tells the AI how to handle a particular task, similar to a saved workflow or a custom command. Over time, users accumulate many skills, some well-written and reliable, others vague, brittle, or difficult to reuse. This tool acts as a quality-control layer: you point it at any skill file and it evaluates that skill across eight dimensions, clarity, reusability, workflow logic, practicality, output quality, scalability, maintainability, and update potential. The output is a compact audit report including an overall score out of ten, a quick verdict, a summary of strengths and weaknesses, a table of efficiency factors, identified problems, and recommended improvements. At the end of the review, the tool asks whether you want to apply the suggested changes. It only rewrites the reviewed skill if you explicitly approve. Installation involves cloning the repository, copying the skill file into the Codex skills directory with the required filename, and restarting Codex. Once installed, you invoke it by referencing the path to any skill you want reviewed. It is aimed at people who build their own Codex skills, install skills from others, or want a quick quality check before sharing a skill publicly. No description or topics are listed beyond the README.