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.
Teach network effects using Lenny's Podcast frameworks. Use when someone says 'teach me about network effects', 'does my product have network effects', 'what are network effects', 'cold start problem'