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.
Port one Herdr provider integration into Sidecar: read the sync report to see which provider moved, pick the port shape, keep the provider half verbatim and swap the transport half, register the adapt