Make content an array to match the MCP spec

tom-hart-sky-uk · tom-hart-sky-uk · commit 15320d281fdc · 2025-07-20T13:03:01.000+01:00
diff --git a/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php b/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php
@@ -60,7 +60,7 @@ public function createResponse(Request $message): Response|Error
         };
 
         return new Response($message->id, [
-            'content' => $content,
+            'content' => [$content], // TODO: allow multiple `ToolCallResult`s in the future
             'isError' => $result->isError,
         ]);
     }

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ public function createResponse(Request $message): Response\|Error`
`60`	`60`	`};`
`61`	`61`
`62`	`62`	`return new Response($message->id, [`
`63`		`- 'content' => $content,`
	`63`	+ 'content' => [$content], // TODO: allow multiple `ToolCallResult`s in the future
`64`	`64`	`'isError' => $result->isError,`
`65`	`65`	`]);`
`66`	`66`	`}`