Before opening a diagram tool, so the diagram has a purpose.
I need a diagram for [system/process]. Specify the type (sequence, flow, architecture), the nodes, the edges, and the labels. Describe what the reader should understand from it.
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.