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 this skill to explore upstream/downstream data lineage and historical lineage changes through a guided 3-phase workflow - asset identification → lineage graph traversal → historical version compar