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.
The project-side malleus companion. Use for any ontology or KG-typed work in a project that uses (or is adopting) malleus, including schema changes, typed KG writes, introducing domain concepts, handl