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.
Design, create, edit, review, validate, render, and troubleshoot D2 declarative diagrams (.d2) for architecture, flowcharts, sequence diagrams, ERDs, UML classes, network/cloud topology, CI/CD, event
