diff --git a/src/tools/defineTool.tsx b/src/tools/defineTool.tsx
index f34c27c..8721017 100644
--- a/src/tools/defineTool.tsx
+++ b/src/tools/defineTool.tsx
@@ -15,6 +15,7 @@ export interface ToolMeta {
     name: string;
     description: string;
     shortDescription: string;
+    longDescription?: string;
   };
 }