Execute and validate DAX queries and expressions against a connected Power BI Desktop model via powerbi-agent. Invoke when the user mentions DAX, asks to run a query, test a formula, use EVALUATE / CALCULATE / SUMMARIZECOLUMNS, or validate an expression before saving as a measure. Use when the user mentions: Activate when the user wants to run a DAX query, test a DAX expression, validate syntax, explore model data via DAX, or aggregate values from the connected Power BI Desktop model..