diff --git a/src/modules/example-apps/index.ts b/src/modules/example-apps/index.ts
index b4a2248..d1f814f 100644
--- a/src/modules/example-apps/index.ts
+++ b/src/modules/example-apps/index.ts
@@ -131,6 +131,7 @@ export class ExampleAppsModule {
             capabilities,
             hasExtensions: !!capabilities?.extensions,
             extensions: capabilities?.extensions,
+            rawMessage: req.body
           }));
         }
 
diff --git a/src/modules/mcp/handlers/shttp.ts b/src/modules/mcp/handlers/shttp.ts
index 27f3fba..6f4c11f 100644
--- a/src/modules/mcp/handlers/shttp.ts
+++ b/src/modules/mcp/handlers/shttp.ts
@@ -115,6 +115,7 @@ export async function handleStreamableHTTP(req: Request, res: Response) {
         capabilities,
         hasExtensions: !!capabilities?.extensions,
         extensions: capabilities?.extensions,
+        rawMessage: req.body
       });
       
       const onsessioninitialized = async (sessionId: string) => {