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\Core\Schema\JsonRpc;
15:
16: /**
17: * Refers to any valid JSON-RPC object that can be decoded off the wire, or encoded to be sent.
18: *
19: * @phpstan-sealed JsonRpcRequest|JsonRpcNotification|JsonRpcResponse
20: *
21: * @see https://modelcontextprotocol.io/specification/2025-11-25/schema#jsonrpcmessage
22: */
23: interface JsonRpcMessage extends \JsonSerializable
24: {
25: public const string JSONRPC_VERSION = '2.0';
26: }
27: