| 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\Enum; |
| 15: | |
| 16: | /** |
| 17: | * Error codes for protocol errors that are transmitted as JSON-RPC error responses. |
| 18: | * |
| 19: | * @see https://www.jsonrpc.org/specification#error_object |
| 20: | */ |
| 21: | enum ProtocolErrorCode: int |
| 22: | { |
| 23: | /** |
| 24: | * Invalid JSON was received by the server. |
| 25: | */ |
| 26: | case ParseError = -32700; |
| 27: | |
| 28: | /** |
| 29: | * The JSON sent is not a valid Request object. |
| 30: | */ |
| 31: | case InvalidRequest = -32600; |
| 32: | |
| 33: | /** |
| 34: | * The method does not exist or is not available. |
| 35: | */ |
| 36: | case MethodNotFound = -32601; |
| 37: | |
| 38: | /** |
| 39: | * Invalid method parameter(s). |
| 40: | */ |
| 41: | case InvalidParams = -32602; |
| 42: | |
| 43: | /** |
| 44: | * Internal JSON-RPC error. |
| 45: | */ |
| 46: | case InternalError = -32603; |
| 47: | |
| 48: | /** |
| 49: | * Server requires the client to satisfy a URL elicitation before continuing (MCP-specific). |
| 50: | */ |
| 51: | case UrlElicitationRequired = -32042; |
| 52: | } |
| 53: |