When one prompt is doing extraction, transformation, and formatting all at once.
I want to break this single complex prompt into a chain of smaller calls: [paste]. Propose the chain: what each step does, what it passes to the next, and where it can short-circuit.
Anything in square brackets is meant to be replaced. The builder turns those into fields you can type into.
Tired of re-pasting the same context into every new chat? That is what the Unimatrix MCP server is for.