diff --git a/prompts/power-bi-dax-optimization.prompt.md b/prompts/power-bi-dax-optimization.prompt.md
index 718633a..5c0c9b3 100644
--- a/prompts/power-bi-dax-optimization.prompt.md
+++ b/prompts/power-bi-dax-optimization.prompt.md
@@ -1,6 +1,6 @@
 ````prompt
 ---
-mode: 'assistant'
+mode: 'agent'
 description: 'Comprehensive Power BI DAX formula optimization prompt for improving performance, readability, and maintainability of DAX calculations.'
 model: 'gpt-4.1'
 tools: ['microsoft.docs.mcp']
@@ -174,4 +174,5 @@ Sales Growth = ([Total Sales] - CALCULATE([Total Sales], PARALLELPERIOD('Date'[D
 ```
 
 This calculates year-over-year sales growth and is used in several report visuals. Current performance is slow when filtering by multiple dimensions."
-````
\ No newline at end of file
+
+````