File Server/Exception/ToolOutputValidationException.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\McpExceptionInterface;
17:
18:	/**
19:	* Thrown when a tool's `structuredContent` does not conform to its declared `outputSchema`.
20:	*/
21:	final class ToolOutputValidationException extends \RuntimeException implements McpExceptionInterface
22:	{
23:	/**
24:	* @param list<string> $errors
25:	*/
26:	public function __construct(string $toolName, array $errors, ?\Throwable $previous = null)
27:	{
28:	parent::__construct(
29:	\sprintf(
30:	'Tool "%s" returned structuredContent that does not conform to its outputSchema: %s',
31:	$toolName,
32:	implode('; ', $errors),
33:	),
34:	previous: $previous,
35:	);
36:	}
37:	}
38: