Add support for icons and website url (#141)

src/Schema/Implementation.php

@@ -16,14 +16,21 @@ use Mcp\Exception\InvalidArgumentException;
 /**
  * Describes the name and version of an MCP implementation.
  *
+ * @phpstan-import-type IconData from Icon
+ *
  * @author Kyrian Obikwelu <koshnawaza@gmail.com>
  */
 class Implementation implements \JsonSerializable
 {
+    /**
+     * @param ?Icon[] $icons
+     */
     public function __construct(
         public readonly string $name = 'app',
         public readonly string $version = 'dev',
         public readonly ?string $description = null,
+        public readonly ?array $icons = null,
+        public readonly ?string $websiteUrl = null,
     ) {
     }
 
@@ -31,6 +38,9 @@ class Implementation implements \JsonSerializable
      * @param array{
      *     name: string,
      *     version: string,
+     *     description?: string,
+     *     icons?: IconData[],
+     *     websiteUrl?: string,
      * } $data
      */
     public static function fromArray(array $data): self
@@ -42,13 +52,30 @@ class Implementation implements \JsonSerializable
             throw new InvalidArgumentException('Invalid or missing "version" in Implementation data.');
         }
 
-        return new self($data['name'], $data['version'], $data['description'] ?? null);
+        if (isset($data['icons'])) {
+            if (!\is_array($data['icons'])) {
+                throw new InvalidArgumentException('Invalid "icons" in Implementation data; expected an array.');
+            }
+
+            $data['icons'] = array_map(Icon::fromArray(...), $data['icons']);
+        }
+
+        return new self(
+            $data['name'],
+            $data['version'],
+            $data['description'] ?? null,
+            $data['icons'] ?? null,
+            $data['websiteUrl'] ?? null,
+        );
     }
 
     /**
      * @return array{
      *     name: string,
      *     version: string,
+     *     description?: string,
+     *     icons?: Icon[],
+     *     websiteUrl?: string,
      * }
      */
     public function jsonSerialize(): array
@@ -62,6 +89,14 @@ class Implementation implements \JsonSerializable
             $data['description'] = $this->description;
         }
 
+        if (null !== $this->icons) {
+            $data['icons'] = $this->icons;
+        }
+
+        if (null !== $this->websiteUrl) {
+            $data['websiteUrl'] = $this->websiteUrl;
+        }
+
         return $data;
     }
 }