- a Prompt — the reasoning and instructions,
- a Model — the provider and model it runs on,
- zero or more Skills — the tasks it can perform, and
- the Tools those skills use (built-in, or served by a Connector).
Why composition
Because the parts are separate and reusable, the same prompt, model config, or skill can back many agents — and each part is something you can read, version, and reason about on its own. The agent is the assembly; the Masters are where the real authoring happens.The Masters
How the five authoring surfaces fit together.