File Server/Exception/ToolNotFoundException.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\Server\Exception;
15:
16:	use Nexus\Mcp\Core\Exception\AbstractJsonRpcProtocolException;
17:	use Nexus\Mcp\Core\SafeDisplay;
18:	use Nexus\Mcp\Core\Schema\Enum\ProtocolErrorCode;
19:	use Nexus\Mcp\Core\Schema\RequestId;
20:
21:	/**
22:	* Thrown when a `tools/call` invokes a tool that is not registered with the store.
23:	*/
24:	final class ToolNotFoundException extends AbstractJsonRpcProtocolException
25:	{
26:	public function __construct(
27:	public readonly string $name,
28:	?RequestId $requestId = null,
29:	?\Throwable $previous = null,
30:	) {
31:	parent::__construct(
32:	$requestId,
33:	\sprintf(
34:	'No tool registered under name "%s". The server registers tools with addTool() or register().',
35:	SafeDisplay::sanitise($name),
36:	),
37:	$previous,
38:	);
39:	}
40:
41:	#[\Override]
42:	public static function getErrorCode(): ProtocolErrorCode
43:	{
44:	return ProtocolErrorCode::InvalidParams;
45:	}
46:	}
47: