diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 84c9bb48e..18c892473 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -38,7 +38,7 @@
         '@Symfony' => true,
         '@Symfony:risky' => true,
         'protected_to_private' => false,
-        'declare_strict_types' => true,
+        'declare_strict_types' => false,
         'header_comment' => [
             'header' => implode('', $fileHeaderParts),
         ],
diff --git a/src/mcp-sdk/examples/cli/index.php b/src/mcp-sdk/examples/cli/index.php
index ca90b7b65..740b953e9 100644
--- a/src/mcp-sdk/examples/cli/index.php
+++ b/src/mcp-sdk/examples/cli/index.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/examples/cli/src/Builder.php b/src/mcp-sdk/examples/cli/src/Builder.php
index bb4ccafad..c2fc9cee3 100644
--- a/src/mcp-sdk/examples/cli/src/Builder.php
+++ b/src/mcp-sdk/examples/cli/src/Builder.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/examples/cli/src/ExamplePrompt.php b/src/mcp-sdk/examples/cli/src/ExamplePrompt.php
index c247398e0..919ff3359 100644
--- a/src/mcp-sdk/examples/cli/src/ExamplePrompt.php
+++ b/src/mcp-sdk/examples/cli/src/ExamplePrompt.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/examples/cli/src/ExampleResource.php b/src/mcp-sdk/examples/cli/src/ExampleResource.php
index b264d26cc..724cb9456 100644
--- a/src/mcp-sdk/examples/cli/src/ExampleResource.php
+++ b/src/mcp-sdk/examples/cli/src/ExampleResource.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/examples/cli/src/ExampleTool.php b/src/mcp-sdk/examples/cli/src/ExampleTool.php
index e459b019e..1666a8990 100644
--- a/src/mcp-sdk/examples/cli/src/ExampleTool.php
+++ b/src/mcp-sdk/examples/cli/src/ExampleTool.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/CollectionInterface.php b/src/mcp-sdk/src/Capability/Prompt/CollectionInterface.php
index 71df2162f..c0c5b52ac 100644
--- a/src/mcp-sdk/src/Capability/Prompt/CollectionInterface.php
+++ b/src/mcp-sdk/src/Capability/Prompt/CollectionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/IdentifierInterface.php b/src/mcp-sdk/src/Capability/Prompt/IdentifierInterface.php
index 4b7fa035d..b4609502a 100644
--- a/src/mcp-sdk/src/Capability/Prompt/IdentifierInterface.php
+++ b/src/mcp-sdk/src/Capability/Prompt/IdentifierInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/MetadataInterface.php b/src/mcp-sdk/src/Capability/Prompt/MetadataInterface.php
index 9e262067e..1972bf7d8 100644
--- a/src/mcp-sdk/src/Capability/Prompt/MetadataInterface.php
+++ b/src/mcp-sdk/src/Capability/Prompt/MetadataInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/PromptGet.php b/src/mcp-sdk/src/Capability/Prompt/PromptGet.php
index e729eaa92..ba5bd8c1c 100644
--- a/src/mcp-sdk/src/Capability/Prompt/PromptGet.php
+++ b/src/mcp-sdk/src/Capability/Prompt/PromptGet.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/PromptGetResult.php b/src/mcp-sdk/src/Capability/Prompt/PromptGetResult.php
index a998627b8..1c46dd4eb 100644
--- a/src/mcp-sdk/src/Capability/Prompt/PromptGetResult.php
+++ b/src/mcp-sdk/src/Capability/Prompt/PromptGetResult.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/PromptGetResultMessages.php b/src/mcp-sdk/src/Capability/Prompt/PromptGetResultMessages.php
index 7c3a69d32..b763109b5 100644
--- a/src/mcp-sdk/src/Capability/Prompt/PromptGetResultMessages.php
+++ b/src/mcp-sdk/src/Capability/Prompt/PromptGetResultMessages.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Prompt/PromptGetterInterface.php b/src/mcp-sdk/src/Capability/Prompt/PromptGetterInterface.php
index d877bd2d9..34718e423 100644
--- a/src/mcp-sdk/src/Capability/Prompt/PromptGetterInterface.php
+++ b/src/mcp-sdk/src/Capability/Prompt/PromptGetterInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/PromptChain.php b/src/mcp-sdk/src/Capability/PromptChain.php
index 761c8ce11..2e0b6a572 100644
--- a/src/mcp-sdk/src/Capability/PromptChain.php
+++ b/src/mcp-sdk/src/Capability/PromptChain.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/CollectionInterface.php b/src/mcp-sdk/src/Capability/Resource/CollectionInterface.php
index b8bc12418..e402f91e7 100644
--- a/src/mcp-sdk/src/Capability/Resource/CollectionInterface.php
+++ b/src/mcp-sdk/src/Capability/Resource/CollectionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/IdentifierInterface.php b/src/mcp-sdk/src/Capability/Resource/IdentifierInterface.php
index 3ee5b93e4..32b8d9fd6 100644
--- a/src/mcp-sdk/src/Capability/Resource/IdentifierInterface.php
+++ b/src/mcp-sdk/src/Capability/Resource/IdentifierInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/MetadataInterface.php b/src/mcp-sdk/src/Capability/Resource/MetadataInterface.php
index dafabdbc4..39cf1ae09 100644
--- a/src/mcp-sdk/src/Capability/Resource/MetadataInterface.php
+++ b/src/mcp-sdk/src/Capability/Resource/MetadataInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/ResourceRead.php b/src/mcp-sdk/src/Capability/Resource/ResourceRead.php
index c23ddded7..0e0e0d4ad 100644
--- a/src/mcp-sdk/src/Capability/Resource/ResourceRead.php
+++ b/src/mcp-sdk/src/Capability/Resource/ResourceRead.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/ResourceReadResult.php b/src/mcp-sdk/src/Capability/Resource/ResourceReadResult.php
index f6ad7d75a..2d3aa4535 100644
--- a/src/mcp-sdk/src/Capability/Resource/ResourceReadResult.php
+++ b/src/mcp-sdk/src/Capability/Resource/ResourceReadResult.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Resource/ResourceReaderInterface.php b/src/mcp-sdk/src/Capability/Resource/ResourceReaderInterface.php
index ced197e52..cfe747f63 100644
--- a/src/mcp-sdk/src/Capability/Resource/ResourceReaderInterface.php
+++ b/src/mcp-sdk/src/Capability/Resource/ResourceReaderInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/ResourceChain.php b/src/mcp-sdk/src/Capability/ResourceChain.php
index 8d46f8689..74bbaad57 100644
--- a/src/mcp-sdk/src/Capability/ResourceChain.php
+++ b/src/mcp-sdk/src/Capability/ResourceChain.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/CollectionInterface.php b/src/mcp-sdk/src/Capability/Tool/CollectionInterface.php
index bd1b1252e..adbc4f4df 100644
--- a/src/mcp-sdk/src/Capability/Tool/CollectionInterface.php
+++ b/src/mcp-sdk/src/Capability/Tool/CollectionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/IdentifierInterface.php b/src/mcp-sdk/src/Capability/Tool/IdentifierInterface.php
index 05ecba124..8fe8b79c3 100644
--- a/src/mcp-sdk/src/Capability/Tool/IdentifierInterface.php
+++ b/src/mcp-sdk/src/Capability/Tool/IdentifierInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/MetadataInterface.php b/src/mcp-sdk/src/Capability/Tool/MetadataInterface.php
index adafaf2fe..28b0084c7 100644
--- a/src/mcp-sdk/src/Capability/Tool/MetadataInterface.php
+++ b/src/mcp-sdk/src/Capability/Tool/MetadataInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/ToolCall.php b/src/mcp-sdk/src/Capability/Tool/ToolCall.php
index 1682d6dc8..9208fc171 100644
--- a/src/mcp-sdk/src/Capability/Tool/ToolCall.php
+++ b/src/mcp-sdk/src/Capability/Tool/ToolCall.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/ToolCallResult.php b/src/mcp-sdk/src/Capability/Tool/ToolCallResult.php
index 4c9609a1d..2bdd2d0df 100644
--- a/src/mcp-sdk/src/Capability/Tool/ToolCallResult.php
+++ b/src/mcp-sdk/src/Capability/Tool/ToolCallResult.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/ToolCollectionInterface.php b/src/mcp-sdk/src/Capability/Tool/ToolCollectionInterface.php
index f695b0329..19b44928d 100644
--- a/src/mcp-sdk/src/Capability/Tool/ToolCollectionInterface.php
+++ b/src/mcp-sdk/src/Capability/Tool/ToolCollectionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/Tool/ToolExecutorInterface.php b/src/mcp-sdk/src/Capability/Tool/ToolExecutorInterface.php
index 4906e48f2..5e0306620 100644
--- a/src/mcp-sdk/src/Capability/Tool/ToolExecutorInterface.php
+++ b/src/mcp-sdk/src/Capability/Tool/ToolExecutorInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Capability/ToolChain.php b/src/mcp-sdk/src/Capability/ToolChain.php
index 7b48b5532..a157e102d 100644
--- a/src/mcp-sdk/src/Capability/ToolChain.php
+++ b/src/mcp-sdk/src/Capability/ToolChain.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/ExceptionInterface.php b/src/mcp-sdk/src/Exception/ExceptionInterface.php
index 597451e0d..b6ffd9b7e 100644
--- a/src/mcp-sdk/src/Exception/ExceptionInterface.php
+++ b/src/mcp-sdk/src/Exception/ExceptionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/NotFoundExceptionInterface.php b/src/mcp-sdk/src/Exception/NotFoundExceptionInterface.php
index eb25edaad..c07c25ed2 100644
--- a/src/mcp-sdk/src/Exception/NotFoundExceptionInterface.php
+++ b/src/mcp-sdk/src/Exception/NotFoundExceptionInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/PromptGetException.php b/src/mcp-sdk/src/Exception/PromptGetException.php
index 82b5494fe..b9901f6c2 100644
--- a/src/mcp-sdk/src/Exception/PromptGetException.php
+++ b/src/mcp-sdk/src/Exception/PromptGetException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/PromptNotFoundException.php b/src/mcp-sdk/src/Exception/PromptNotFoundException.php
index d98d8b704..1ff2719a2 100644
--- a/src/mcp-sdk/src/Exception/PromptNotFoundException.php
+++ b/src/mcp-sdk/src/Exception/PromptNotFoundException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/ResourceNotFoundException.php b/src/mcp-sdk/src/Exception/ResourceNotFoundException.php
index 2a1a4f3a4..ca88ac72f 100644
--- a/src/mcp-sdk/src/Exception/ResourceNotFoundException.php
+++ b/src/mcp-sdk/src/Exception/ResourceNotFoundException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/ResourceReadException.php b/src/mcp-sdk/src/Exception/ResourceReadException.php
index 0fbe457ff..e063fc1bf 100644
--- a/src/mcp-sdk/src/Exception/ResourceReadException.php
+++ b/src/mcp-sdk/src/Exception/ResourceReadException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/ToolExecutionException.php b/src/mcp-sdk/src/Exception/ToolExecutionException.php
index ff9e1d4ed..704c7cef8 100644
--- a/src/mcp-sdk/src/Exception/ToolExecutionException.php
+++ b/src/mcp-sdk/src/Exception/ToolExecutionException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Exception/ToolNotFoundException.php b/src/mcp-sdk/src/Exception/ToolNotFoundException.php
index 7aa2a541b..614015627 100644
--- a/src/mcp-sdk/src/Exception/ToolNotFoundException.php
+++ b/src/mcp-sdk/src/Exception/ToolNotFoundException.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Message/Error.php b/src/mcp-sdk/src/Message/Error.php
index 61f9327ad..fd72a941a 100644
--- a/src/mcp-sdk/src/Message/Error.php
+++ b/src/mcp-sdk/src/Message/Error.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Message/Factory.php b/src/mcp-sdk/src/Message/Factory.php
index 1dc9e5297..6c9f1d313 100644
--- a/src/mcp-sdk/src/Message/Factory.php
+++ b/src/mcp-sdk/src/Message/Factory.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Message/Notification.php b/src/mcp-sdk/src/Message/Notification.php
index 05d60ca82..b094be898 100644
--- a/src/mcp-sdk/src/Message/Notification.php
+++ b/src/mcp-sdk/src/Message/Notification.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Message/Request.php b/src/mcp-sdk/src/Message/Request.php
index 2a64f8be3..534edf96f 100644
--- a/src/mcp-sdk/src/Message/Request.php
+++ b/src/mcp-sdk/src/Message/Request.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Message/Response.php b/src/mcp-sdk/src/Message/Response.php
index 85cbd002c..2b26d9d2c 100644
--- a/src/mcp-sdk/src/Message/Response.php
+++ b/src/mcp-sdk/src/Message/Response.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server.php b/src/mcp-sdk/src/Server.php
index 2fbcaa740..bfc0e54b5 100644
--- a/src/mcp-sdk/src/Server.php
+++ b/src/mcp-sdk/src/Server.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/JsonRpcHandler.php b/src/mcp-sdk/src/Server/JsonRpcHandler.php
index 3d453161a..8ab8e83d3 100644
--- a/src/mcp-sdk/src/Server/JsonRpcHandler.php
+++ b/src/mcp-sdk/src/Server/JsonRpcHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/NotificationHandler/BaseNotificationHandler.php b/src/mcp-sdk/src/Server/NotificationHandler/BaseNotificationHandler.php
index 9af39cedd..2dd9e8cf5 100644
--- a/src/mcp-sdk/src/Server/NotificationHandler/BaseNotificationHandler.php
+++ b/src/mcp-sdk/src/Server/NotificationHandler/BaseNotificationHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/NotificationHandler/InitializedHandler.php b/src/mcp-sdk/src/Server/NotificationHandler/InitializedHandler.php
index 036439034..426ea034f 100644
--- a/src/mcp-sdk/src/Server/NotificationHandler/InitializedHandler.php
+++ b/src/mcp-sdk/src/Server/NotificationHandler/InitializedHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/NotificationHandlerInterface.php b/src/mcp-sdk/src/Server/NotificationHandlerInterface.php
index d5bd9bb0a..9a15359de 100644
--- a/src/mcp-sdk/src/Server/NotificationHandlerInterface.php
+++ b/src/mcp-sdk/src/Server/NotificationHandlerInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/BaseRequestHandler.php b/src/mcp-sdk/src/Server/RequestHandler/BaseRequestHandler.php
index dee6dd6d1..124977113 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/BaseRequestHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/BaseRequestHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/InitializeHandler.php b/src/mcp-sdk/src/Server/RequestHandler/InitializeHandler.php
index 68e2f66b3..f04cdb918 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/InitializeHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/InitializeHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/PingHandler.php b/src/mcp-sdk/src/Server/RequestHandler/PingHandler.php
index afb9cdb9d..45f649510 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/PingHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/PingHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/PromptGetHandler.php b/src/mcp-sdk/src/Server/RequestHandler/PromptGetHandler.php
index c138c25f4..e26dac22d 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/PromptGetHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/PromptGetHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/PromptListHandler.php b/src/mcp-sdk/src/Server/RequestHandler/PromptListHandler.php
index 3c7bd41ef..588ea332e 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/PromptListHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/PromptListHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/ResourceListHandler.php b/src/mcp-sdk/src/Server/RequestHandler/ResourceListHandler.php
index 3317d7134..3943f7bd6 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/ResourceListHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/ResourceListHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/ResourceReadHandler.php b/src/mcp-sdk/src/Server/RequestHandler/ResourceReadHandler.php
index 38dea7248..8401e21b2 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/ResourceReadHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/ResourceReadHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php b/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php
index 3590a555f..3f9a812eb 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/ToolCallHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandler/ToolListHandler.php b/src/mcp-sdk/src/Server/RequestHandler/ToolListHandler.php
index 8432cd4b5..2b1b739f8 100644
--- a/src/mcp-sdk/src/Server/RequestHandler/ToolListHandler.php
+++ b/src/mcp-sdk/src/Server/RequestHandler/ToolListHandler.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/RequestHandlerInterface.php b/src/mcp-sdk/src/Server/RequestHandlerInterface.php
index ca37dd63f..138b1fd9e 100644
--- a/src/mcp-sdk/src/Server/RequestHandlerInterface.php
+++ b/src/mcp-sdk/src/Server/RequestHandlerInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/Transport/Sse/Store/CachePoolStore.php b/src/mcp-sdk/src/Server/Transport/Sse/Store/CachePoolStore.php
index 9ce41d718..57b54391e 100644
--- a/src/mcp-sdk/src/Server/Transport/Sse/Store/CachePoolStore.php
+++ b/src/mcp-sdk/src/Server/Transport/Sse/Store/CachePoolStore.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/Transport/Sse/StoreInterface.php b/src/mcp-sdk/src/Server/Transport/Sse/StoreInterface.php
index b1d0cc977..7a14e2dd0 100644
--- a/src/mcp-sdk/src/Server/Transport/Sse/StoreInterface.php
+++ b/src/mcp-sdk/src/Server/Transport/Sse/StoreInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/Transport/Sse/StreamTransport.php b/src/mcp-sdk/src/Server/Transport/Sse/StreamTransport.php
index 2c30d1e0a..ee28a79c3 100644
--- a/src/mcp-sdk/src/Server/Transport/Sse/StreamTransport.php
+++ b/src/mcp-sdk/src/Server/Transport/Sse/StreamTransport.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/Transport/Stdio/SymfonyConsoleTransport.php b/src/mcp-sdk/src/Server/Transport/Stdio/SymfonyConsoleTransport.php
index 281737d2b..d5708eebe 100644
--- a/src/mcp-sdk/src/Server/Transport/Stdio/SymfonyConsoleTransport.php
+++ b/src/mcp-sdk/src/Server/Transport/Stdio/SymfonyConsoleTransport.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/src/Server/TransportInterface.php b/src/mcp-sdk/src/Server/TransportInterface.php
index 0ce64ceaf..78c7e3379 100644
--- a/src/mcp-sdk/src/Server/TransportInterface.php
+++ b/src/mcp-sdk/src/Server/TransportInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/tests/Fixtures/InMemoryTransport.php b/src/mcp-sdk/tests/Fixtures/InMemoryTransport.php
index eda931df9..d8187072d 100644
--- a/src/mcp-sdk/tests/Fixtures/InMemoryTransport.php
+++ b/src/mcp-sdk/tests/Fixtures/InMemoryTransport.php
@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+
 
 /*
  * This file is part of the Symfony package.
diff --git a/src/mcp-sdk/tests/Message/ErrorTest.php b/src/mcp-sdk/tests/Message/ErrorTest.php
index 7ccfed6f0..86c6376c5 100644
--- a/src/mcp-sdk/tests/Message/ErrorTest.php
+++ b/src/mcp-sdk/tests/Message/ErrorTest.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/tests/Message/FactoryTest.php b/src/mcp-sdk/tests/Message/FactoryTest.php
index 752114031..cdd3b6446 100644
--- a/src/mcp-sdk/tests/Message/FactoryTest.php
+++ b/src/mcp-sdk/tests/Message/FactoryTest.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/tests/Message/ResponseTest.php b/src/mcp-sdk/tests/Message/ResponseTest.php
index 85fac0607..39d3b8ce8 100644
--- a/src/mcp-sdk/tests/Message/ResponseTest.php
+++ b/src/mcp-sdk/tests/Message/ResponseTest.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *
diff --git a/src/mcp-sdk/tests/ServerTest.php b/src/mcp-sdk/tests/ServerTest.php
index 9ff63e4cf..f53135833 100644
--- a/src/mcp-sdk/tests/ServerTest.php
+++ b/src/mcp-sdk/tests/ServerTest.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /*
  * This file is part of the Symfony package.
  *