Kick off the SDK based on Symfony's MCP SDK

src/Server.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the official PHP MCP SDK.
+ *
+ * A collaboration between Symfony and the PHP Foundation.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Mcp;
+
+use Mcp\Server\JsonRpcHandler;
+use Mcp\Server\TransportInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+
+/**
+ * @author Christopher Hertel <mail@christopher-hertel.de>
+ */
+final class Server
+{
+    public function __construct(
+        private readonly JsonRpcHandler $jsonRpcHandler,
+        private readonly LoggerInterface $logger = new NullLogger(),
+    ) {
+    }
+
+    public function connect(TransportInterface $transport): void
+    {
+        $transport->initialize();
+        $this->logger->info('Transport initialized');
+
+        while ($transport->isConnected()) {
+            foreach ($transport->receive() as $message) {
+                if (null === $message) {
+                    continue;
+                }
+
+                try {
+                    foreach ($this->jsonRpcHandler->process($message) as $response) {
+                        if (null === $response) {
+                            continue;
+                        }
+
+                        $transport->send($response);
+                    }
+                } catch (\JsonException $e) {
+                    $this->logger->error('Failed to encode response to JSON', [
+                        'message' => $message,
+                        'exception' => $e,
+                    ]);
+                    continue;
+                }
+            }
+
+            usleep(1000);
+        }
+
+        $transport->close();
+        $this->logger->info('Transport closed');
+    }
+}