1 files changed, 9 insertions, 0 deletions
diff --git a/packages/core/src/tools/mcp-tool.test.ts b/packages/core/src/tools/mcp-tool.test.ts
index 3a8c10c4..d5e4eee8 100644
--- a/packages/core/src/tools/mcp-tool.test.ts
+++ b/packages/core/src/tools/mcp-tool.test.ts
@@ -743,4 +743,13 @@ describe('DiscoveredMCPTool', () => {
       }
     });
   });
+
+  describe('DiscoveredMCPToolInvocation', () => {
+    it('should return the stringified params from getDescription', () => {
+      const params = { param: 'testValue', param2: 'anotherOne' };
+      const invocation = tool.build(params);
+      const description = invocation.getDescription();
+      expect(description).toBe('{"param":"testValue","param2":"anotherOne"}');
+    });
+  });
 });