Full-access lesson
Resources
> An MCP resource is not a tool with a read-shaped name. It is addressable context that an application can discover, select, read, cache, subscribe to, authorize, and present to a model without pretending that retrieval is an action.
The complete curriculum
All 12 volumes, companion resources, interviews, and architecture reviews.
Executable engineering practice
Subscriber-only Python, Java, TypeScript, and SQL labs in the isolated runner.