File Extension/Apps/Client/AppsClientExtension.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Extension\Apps\Client;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Client\Extension\ClientExtensionInterface;
18:	use Nexus\Mcp\Extension\Apps\Apps;
19:
20:	/**
21:	* The official MCP Apps extension (`io.modelcontextprotocol/ui`, SEP-1865) for the client.
22:	*/
23:	final readonly class AppsClientExtension implements ClientExtensionInterface
24:	{
25:	/**
26:	* @param list<non-empty-string> $mimeTypes The UI resource mime types rendered by the host
27:	*/
28:	public function __construct(private array $mimeTypes = [Apps::MIME_TYPE])
29:	{
30:	Assert::that($mimeTypes)->isList('"mimeTypes" must be a list, {type} given.');
31:	Assert::that($mimeTypes)->hasMinCount(1, '"mimeTypes" must not be empty.');
32:	Assert::that($mimeTypes)->values()->isNonEmptyString('each "mimeTypes" must be a non-empty string, {type} given.');
33:	}
34:
35:	#[\Override]
36:	public function getIdentifier(): string
37:	{
38:	return Apps::IDENTIFIER;
39:	}
40:
41:	#[\Override]
42:	public function getSettings(): array
43:	{
44:	return ['mimeTypes' => $this->mimeTypes];
45:	}
46:
47:	#[\Override]
48:	public function getRequests(): array
49:	{
50:	return [];
51:	}
52:
53:	#[\Override]
54:	public function getNotifications(): array
55:	{
56:	return [];
57:	}
58:
59:	#[\Override]
60:	public function getRequestHandlers(): array
61:	{
62:	return [];
63:	}
64:
65:	#[\Override]
66:	public function getNotificationHandlers(): array
67:	{
68:	return [];
69:	}
70:
71:	#[\Override]
72:	public function getOutboundRequests(): array
73:	{
74:	return [];
75:	}
76:	}
77:

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