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.
Test whether AI agents can use your product — drop in an OpenAPI or GraphQL spec to generate a reviewed L1–L4 task ladder, run it across API/CLI/SDK/MCP surfaces at standard medium effort, and verify
