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 the host renders
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(\count($mimeTypes))->isPositiveInt('"mimeTypes" must not be empty.');
32:	Assert::that($mimeTypes)
33:	->values()
34:	->isNonEmptyString('each "mimeTypes" must be a non-empty string, {type} given.')
35:	;
36:	}
37:
38:	#[\Override]
39:	public function getIdentifier(): string
40:	{
41:	return Apps::IDENTIFIER;
42:	}
43:
44:	#[\Override]
45:	public function getSettings(): array
46:	{
47:	return ['mimeTypes' => $this->mimeTypes];
48:	}
49:
50:	#[\Override]
51:	public function getRequests(): array
52:	{
53:	return [];
54:	}
55:
56:	#[\Override]
57:	public function getNotifications(): array
58:	{
59:	return [];
60:	}
61:
62:	#[\Override]
63:	public function getRequestHandlers(): array
64:	{
65:	return [];
66:	}
67:
68:	#[\Override]
69:	public function getNotificationHandlers(): array
70:	{
71:	return [];
72:	}
73:
74:	#[\Override]
75:	public function getOutboundRequests(): array
76:	{
77:	return [];
78:	}
79:	}
80:

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