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\Schema\Request;
15:
16: use Nexus\Mcp\Schema\Message\JsonRpcRequest;
17: use Nexus\Mcp\Schema\Message\RequestId;
18:
19: /**
20: * Used by the client to invoke a tool provided by the server.
21: *
22: * @extends JsonRpcRequest<array{
23: * jsonrpc: '2.0',
24: * id: int|non-empty-string,
25: * method: 'tools/call',
26: * params: array{
27: * _meta?: array<string, mixed>,
28: * name: non-empty-string,
29: * arguments?: array<string, mixed>,
30: * },
31: * }>
32: */
33: final readonly class CallToolRequest extends JsonRpcRequest implements ClientRequest
34: {
35: /**
36: * @param non-empty-string $name The name of the tool to invoke.
37: * @param null|array<string, mixed> $arguments The arguments to pass to the tool, if any.
38: * @param null|array<string, mixed> $meta Reserved by MCP to allow clients and servers to attach
39: * additional metadata to their interactions.
40: */
41: public function __construct(RequestId $id, string $name, ?array $arguments = null, ?array $meta = null)
42: {
43: parent::__construct(self::JSON_RPC_VERSION, $id, 'tools/call', array_filter([
44: '_meta' => $meta,
45: 'name' => $name,
46: 'arguments' => $arguments,
47: ], static fn(mixed $value): bool => null !== $value));
48: }
49: }
50: