diff --git a/src/Capability/Registry/Loader/ArrayLoader.php b/src/Capability/Registry/Loader/ArrayLoader.php
index a826bf6d..b784fd47 100644
--- a/src/Capability/Registry/Loader/ArrayLoader.php
+++ b/src/Capability/Registry/Loader/ArrayLoader.php
@@ -45,6 +45,7 @@ final class ArrayLoader implements LoaderInterface
      *     name: ?string,
      *     description: ?string,
      *     annotations: ?ToolAnnotations,
+     *     icons: ?array<int, \Mcp\Schema\Icon>,
      *     meta: ?array<string, mixed>
      * }[] $tools
      * @param array{
@@ -106,7 +107,14 @@ public function load(ReferenceRegistryInterface $registry): void
 
                 $inputSchema = $data['inputSchema'] ?? $schemaGenerator->generate($reflection);
 
-                $tool = new Tool($name, $inputSchema, $description, $data['annotations'], $data['meta'] ?? null);
+                $tool = new Tool(
+                    name: $name,
+                    inputSchema: $inputSchema,
+                    description: $description,
+                    annotations: $data['annotations'] ?? null,
+                    icons: $data['icons'] ?? null,
+                    meta: $data['meta'] ?? null,
+                );
                 $registry->registerTool($tool, $data['handler'], true);
 
                 $handlerDesc = $this->getHandlerDescription($data['handler']);
diff --git a/src/Server/Builder.php b/src/Server/Builder.php
index 2e9991eb..ac8ec578 100644
--- a/src/Server/Builder.php
+++ b/src/Server/Builder.php
@@ -83,6 +83,7 @@ final class Builder
      *     name: ?string,
      *     description: ?string,
      *     annotations: ?ToolAnnotations,
+     *     icons: ?array<int, Icon>,
      *     meta: ?array<string, mixed>
      * }[]
      */
@@ -315,6 +316,7 @@ public function setProtocolVersion(ProtocolVersion $protocolVersion): self
      *
      * @param Handler                   $handler
      * @param array<string, mixed>|null $inputSchema
+     * @param Icon[]|null               $icons
      * @param array<string, mixed>|null $meta
      */
     public function addTool(
@@ -323,9 +325,10 @@ public function addTool(
         ?string $description = null,
         ?ToolAnnotations $annotations = null,
         ?array $inputSchema = null,
+        ?array $icons = null,
         ?array $meta = null,
     ): self {
-        $this->tools[] = compact('handler', 'name', 'description', 'annotations', 'inputSchema', 'meta');
+        $this->tools[] = compact('handler', 'name', 'description', 'annotations', 'inputSchema', 'icons', 'meta');
 
         return $this;
     }