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\Validation;
15:
16: /**
17: * Validates a decoded value against a JSON Schema.
18: */
19: interface SchemaValidatorInterface
20: {
21: /**
22: * @param array<string, mixed> $schema
23: *
24: * @return list<string> validation error messages, empty when the data is valid
25: */
26: public function validate(mixed $data, array $schema): array;
27: }
28: