Adopt server examples

examples/09-standalone-cli/src/Builder.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\PromptChain;
+use Mcp\Capability\ResourceChain;
+use Mcp\Capability\ToolChain;
+use Mcp\Server\MethodHandlerInterface;
+use Mcp\Server\NotificationHandler;
+use Mcp\Server\RequestHandler;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class Builder
+{
+    /**
+     * @return list<MethodHandlerInterface>
+     */
+    public static function buildMethodHandlers(): array
+    {
+        $promptManager = new PromptChain([
+            new ExamplePrompt(),
+        ]);
+
+        $resourceManager = new ResourceChain([
+            new ExampleResource(),
+        ]);
+
+        $toolManager = new ToolChain([
+            new ExampleTool(),
+        ]);
+
+        return [
+            new NotificationHandler\InitializedHandler(),
+            new RequestHandler\InitializeHandler(),
+            new RequestHandler\PingHandler(),
+            new RequestHandler\ListPromptsHandler($promptManager),
+            new RequestHandler\GetPromptHandler($promptManager),
+            new RequestHandler\ListResourcesHandler($resourceManager),
+            new RequestHandler\ReadResourceHandler($resourceManager),
+            new RequestHandler\CallToolHandler($toolManager),
+            new RequestHandler\ListToolsHandler($toolManager),
+        ];
+    }
+}

examples/09-standalone-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\PromptGetterInterface;
+use Mcp\Schema\Content\PromptMessage;
+use Mcp\Schema\Content\TextContent;
+use Mcp\Schema\Enum\Role;
+use Mcp\Schema\Request\GetPromptRequest;
+use Mcp\Schema\Result\GetPromptResult;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class ExamplePrompt implements MetadataInterface, PromptGetterInterface
+{
+    public function get(GetPromptRequest $request): GetPromptResult
+    {
+        $firstName = $request->arguments['firstName'] ?? null;
+
+        return new GetPromptResult(
+            [new PromptMessage(
+                Role::User,
+                new TextContent(\sprintf('Hello %s', $firstName ?? 'World')),
+            )],
+            $this->getDescription(),
+        );
+    }
+
+    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,
+            ],
+        ];
+    }
+}

examples/09-standalone-cli/src/ExampleResource.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\Resource\MetadataInterface;
+use Mcp\Capability\Resource\ResourceReaderInterface;
+use Mcp\Schema\Content\TextResourceContents;
+use Mcp\Schema\Request\ReadResourceRequest;
+use Mcp\Schema\Result\ReadResourceResult;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class ExampleResource implements MetadataInterface, ResourceReaderInterface
+{
+    public function read(ReadResourceRequest $request): ReadResourceResult
+    {
+        return new ReadResourceResult([
+            new TextResourceContents($this->getUri(), null, 'Content of My Resource'),
+        ]);
+    }
+
+    public function getUri(): string
+    {
+        return 'file:///project/src/main.rs';
+    }
+
+    public function getName(): string
+    {
+        return 'my-resource';
+    }
+
+    public function getDescription(): ?string
+    {
+        return 'This is just an example';
+    }
+
+    public function getMimeType(): ?string
+    {
+        return null;
+    }
+
+    public function getSize(): ?int
+    {
+        return null;
+    }
+}

examples/09-standalone-cli/src/ExampleTool.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\Tool\MetadataInterface;
+use Mcp\Capability\Tool\ToolExecutorInterface;
+use Mcp\Schema\Content\TextContent;
+use Mcp\Schema\Request\CallToolRequest;
+use Mcp\Schema\Result\CallToolResult;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class ExampleTool implements MetadataInterface, ToolExecutorInterface
+{
+    public function call(CallToolRequest $request): CallToolResult
+    {
+        $format = $request->arguments['format'] ?? 'Y-m-d H:i:s';
+
+        return new CallToolResult([
+            new TextContent(
+                (new \DateTime('now', new \DateTimeZone('UTC')))->format($format),
+            ),
+        ]);
+    }
+
+    public function getName(): string
+    {
+        return 'Current time';
+    }
+
+    public function getDescription(): string
+    {
+        return 'Returns the current time in UTC';
+    }
+
+    public function getInputSchema(): array
+    {
+        return [
+            'type' => 'object',
+            'properties' => [
+                'format' => [
+                    'type' => 'string',
+                    'description' => 'The format of the time, e.g. "Y-m-d H:i:s"',
+                    'default' => 'Y-m-d H:i:s',
+                ],
+            ],
+            'required' => [],
+        ];
+    }
+}