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.
Project: Open-source e-reader firmware for Xteink X4 (ESP32-C3) Mission: Provide a lightweight, high-performance reading experience focused on EPUB rendering on constrained hardware.