diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b87c9dfd..f3f22900 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -49,4 +49,4 @@ jobs:
               run: sleep 5
 
             - name: Execute tests
-              run: ./vendor/bin/testbench package:test --parallel --no-coverage
+              run: ./vendor/bin/testbench package:test --no-coverage
diff --git a/src/MCP/Tools/GlobalSearchTool.php b/src/MCP/Tools/GlobalSearchTool.php
index f72e7aef..3836c7fb 100644
--- a/src/MCP/Tools/GlobalSearchTool.php
+++ b/src/MCP/Tools/GlobalSearchTool.php
@@ -43,8 +43,8 @@ public function schema(JsonSchema $schema): array
     public function handle(Request $request): Response
     {
         $mcpRequest = app(McpRequest::class);
-        $mcpRequest->merge([
-            'search' => $request->input('search', ''),
+        $mcpRequest->replace([
+            'search' => $request->get('search', ''),
         ]);
 
         // If limit is provided, we could apply it per repository, but for now