File Client/Message/Request/InitializeRequest.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) 2025 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\Client\Message\Request;
15:
16:	use Nexus\Mcp\Client\ClientCapabilities;
17:	use Nexus\Mcp\Implementation;
18:	use Nexus\Mcp\Message\Request;
19:	use Nexus\Mcp\ProtocolVersion;
20:
21:	/**
22:	* This request is sent from the client to the server when it first connects, asking it to begin initialization.
23:	*/
24:	final readonly class InitializeRequest extends Request implements ClientRequest
25:	{
26:	/**
27:	* @param non-empty-string $jsonrpc JSON-RPC version. Must be 2.0.
28:	* @param ProtocolVersion $protocolVersion The latest version of the Model Context Protocol that the client
29:	* supports. The client MAY decide to support older versions as well.
30:	*/
31:	public function __construct(
32:	string $jsonrpc,
33:	public ClientCapabilities $capabilities,
34:	public Implementation $clientInfo,
35:	public ProtocolVersion $protocolVersion,
36:	) {
37:	parent::__construct($jsonrpc, 'initialize', [
38:	'capabilities' => $capabilities->toArray(),
39:	'clientInfo' => $clientInfo->toArray(),
40:	'protocolVersion' => $protocolVersion->__toString(),
41:	]);
42:	}
43:	}
44: