Step-by-step SKILL.md packages an AI follows for a single kind of task.
A skill is a focused playbook - instructions, examples and constraints - that makes any model reliable at one job, from SQL reporting to changelog writing. The router fills a plan's skill slot with the best match for the request.
Use when the user wants to summarize a lecture PDF, course slides, or课件 into复习资料, 考点总结, 公式/概念速查表, or an exam-oriented cheat sheet PDF with page-cited key points, formulas, concepts, examples, and stud