[McpBundle] Wire & configure services explicitly

Author: valtzu

demo/config/services.yaml

@@ -19,10 +19,10 @@ services:
             - '../src/Entity/'
             - '../src/Kernel.php'
 
-    Symfony\AI\McpSdk\Capability\Tool\ToolExecutorInterface:
+    mcp.tool_executor:
         class: Symfony\AI\McpSdk\Capability\ToolChain
         arguments:
             - ['@App\MCP\Tools\CurrentTimeTool']
 
-    Symfony\AI\McpSdk\Capability\Tool\CollectionInterface:
-        alias: Symfony\AI\McpSdk\Capability\Tool\ToolExecutorInterface
+    mcp.tool_collection:
+        alias: mcp.tool_executor

src/mcp-bundle/config/services.php

@@ -15,46 +15,56 @@
 use Symfony\AI\McpSdk\Server;
 use Symfony\AI\McpSdk\Server\JsonRpcHandler;
 use Symfony\AI\McpSdk\Server\NotificationHandler\InitializedHandler;
-use Symfony\AI\McpSdk\Server\NotificationHandlerInterface;
 use Symfony\AI\McpSdk\Server\RequestHandler\InitializeHandler;
 use Symfony\AI\McpSdk\Server\RequestHandler\PingHandler;
 use Symfony\AI\McpSdk\Server\RequestHandler\ToolCallHandler;
 use Symfony\AI\McpSdk\Server\RequestHandler\ToolListHandler;
-use Symfony\AI\McpSdk\Server\RequestHandlerInterface;
 use Symfony\AI\McpSdk\Server\Transport\Sse\Store\CachePoolStore;
 
 return static function (ContainerConfigurator $container): void {
     $container->services()
-        ->defaults()
-            ->autowire()
-            ->autoconfigure()
-        ->instanceof(NotificationHandlerInterface::class)
+        ->set('mcp.server.notification_handler.initialized', InitializedHandler::class)
+            ->args([])
             ->tag('mcp.server.notification_handler')
-        ->instanceof(RequestHandlerInterface::class)
+        ->set('mcp.server.request_handler.initialize', InitializeHandler::class)
+            ->args([
+                param('mcp.app'),
+                param('mcp.version'),
+            ])
+            ->tag('mcp.server.request_handler')
+        ->set('mcp.server.request_handler.ping', PingHandler::class)
+            ->args([])
+            ->tag('mcp.server.request_handler')
+        ->set('mcp.server.request_handler.tool_call', ToolCallHandler::class)
+            ->args([
+                service('mcp.tool_executor'),
+            ])
+            ->tag('mcp.server.request_handler')
+        ->set('mcp.server.request_handler.tool_list', ToolListHandler::class)
+            ->args([
+                service('mcp.tool_collection'),
+                20,
+            ])
             ->tag('mcp.server.request_handler')
-
-        ->set(InitializedHandler::class)
-        ->set(InitializeHandler::class)
-        ->args([
-            '$name' => param('mcp.app'),
-            '$version' => param('mcp.version'),
-        ])
-        ->set(PingHandler::class)
-        ->set(ToolCallHandler::class)
-        ->set(ToolListHandler::class)
 
         ->set('mcp.message_factory', Factory::class)
+            ->args([])
         ->set('mcp.server.json_rpc', JsonRpcHandler::class)
             ->args([
-                '$messageFactory' => service('mcp.message_factory'),
-                '$requestHandlers' => tagged_iterator('mcp.server.request_handler'),
-                '$notificationHandlers' => tagged_iterator('mcp.server.notification_handler'),
+                service('mcp.message_factory'),
+                tagged_iterator('mcp.server.request_handler'),
+                tagged_iterator('mcp.server.notification_handler'),
+                service('logger')->ignoreOnInvalid(),
             ])
         ->set('mcp.server', Server::class)
             ->args([
-                '$jsonRpcHandler' => service('mcp.server.json_rpc'),
+                service('mcp.server.json_rpc'),
+                service('logger')->ignoreOnInvalid(),
             ])
             ->alias(Server::class, 'mcp.server')
-        ->set(CachePoolStore::class)
+        ->set('mcp.server.sse.store.cache_pool', CachePoolStore::class)
+            ->args([
+                service('cache.app'),
+            ])
     ;
 };

src/mcp-bundle/src/McpBundle.php

@@ -14,9 +14,12 @@
 use Symfony\AI\McpBundle\Command\McpCommand;
 use Symfony\AI\McpBundle\Controller\McpController;
 use Symfony\AI\McpBundle\Routing\RouteLoader;
+use Symfony\AI\McpSdk\Server\NotificationHandlerInterface;
+use Symfony\AI\McpSdk\Server\RequestHandlerInterface;
 use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\Bundle\AbstractBundle;
 
 final class McpBundle extends AbstractBundle
@@ -50,21 +53,32 @@ private function configureClient(array $transports, ContainerBuilder $container)
             return;
         }
 
+        $container->registerForAutoconfiguration(NotificationHandlerInterface::class)
+            ->addTag('mcp.server.notification_handler');
+        $container->registerForAutoconfiguration(RequestHandlerInterface::class)
+            ->addTag('mcp.server.request_handler');
+
         if ($transports['stdio']) {
             $container->register('mcp.server.command', McpCommand::class)
-                ->setAutowired(true)
+                ->setArguments([
+                    new Reference('mcp.server'),
+                ])
                 ->addTag('console.command');
         }
 
         if ($transports['sse']) {
             $container->register('mcp.server.controller', McpController::class)
-                ->setAutowired(true)
+                ->setArguments([
+                    new Reference('mcp.server'),
+                    new Reference('mcp.server.sse.store.cache_pool'),
+                    new Reference('router'),
+                ])
                 ->setPublic(true)
                 ->addTag('controller.service_arguments');
         }
 
         $container->register('mcp.server.route_loader', RouteLoader::class)
-            ->setArgument('$sseTransportEnabled', $transports['sse'])
+            ->setArgument(0, $transports['sse'])
             ->addTag('routing.route_loader');
     }
 }

src/mcp-sdk/src/Server/JsonRpcHandler.php

@@ -12,6 +12,7 @@
 namespace Symfony\AI\McpSdk\Server;
 
 use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
 use Symfony\AI\McpSdk\Exception\ExceptionInterface;
 use Symfony\AI\McpSdk\Exception\HandlerNotFoundException;
 use Symfony\AI\McpSdk\Exception\InvalidInputMessageException;
@@ -45,7 +46,7 @@ public function __construct(
         private Factory $messageFactory,
         iterable $requestHandlers,
         iterable $notificationHandlers,
-        private LoggerInterface $logger,
+        private LoggerInterface $logger = new NullLogger(),
     ) {
         $this->requestHandlers = $requestHandlers instanceof \Traversable ? iterator_to_array($requestHandlers) : $requestHandlers;
         $this->notificationHandlers = $notificationHandlers instanceof \Traversable ? iterator_to_array($notificationHandlers) : $notificationHandlers;