Kick off the SDK based on Symfony's MCP SDK

examples/cli/src/ExamplePrompt.php

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+<?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 App;
+
+use Mcp\Capability\Prompt\MetadataInterface;
+use Mcp\Capability\Prompt\PromptGet;
+use Mcp\Capability\Prompt\PromptGetResult;
+use Mcp\Capability\Prompt\PromptGetResultMessages;
+use Mcp\Capability\Prompt\PromptGetterInterface;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class ExamplePrompt implements MetadataInterface, PromptGetterInterface
+{
+    public function get(PromptGet $input): PromptGetResult
+    {
+        $firstName = $input->arguments['first name'] ?? null;
+
+        return new PromptGetResult(
+            $this->getDescription(),
+            [new PromptGetResultMessages(
+                'user',
+                \sprintf('Hello %s', $firstName ?? 'World')
+            )]
+        );
+    }
+
+    public function getName(): string
+    {
+        return 'Greet';
+    }
+
+    public function getDescription(): ?string
+    {
+        return 'Greet a person with a nice message';
+    }
+
+    public function getArguments(): array
+    {
+        return [
+            [
+                'name' => 'first name',
+                'description' => 'The name of the person to greet',
+                'required' => false,
+            ],
+        ];
+    }
+}