Use when you have a reproducible error and want the cause named before anyone starts editing.
Here is a stack trace and the relevant function(s): [paste]. Walk through the call chain step by step, identify the exact line and condition that causes the failure, and state your confidence level. Do not suggest a fix until you've stated the root cause.
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.