| 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; |
| 15: | |
| 16: | use Nexus\Mcp\Core\Schema\Implementation; |
| 17: | |
| 18: | /** |
| 19: | * How much of the server's identity rides the `_meta` of the results it sends, |
| 20: | * outside the `server/discover` result that always carries the whole block. |
| 21: | */ |
| 22: | enum ServerInfoDisclosure |
| 23: | { |
| 24: | /** |
| 25: | * The whole `Implementation`, icons and descriptive fields included. |
| 26: | */ |
| 27: | case Full; |
| 28: | |
| 29: | /** |
| 30: | * Only the two fields the spec requires, so a client that already discovered the |
| 31: | * server does not receive its icons and descriptions again on every response. |
| 32: | */ |
| 33: | case NameAndVersion; |
| 34: | |
| 35: | /** |
| 36: | * No identity at all, including on `server/discover`. |
| 37: | */ |
| 38: | case None; |
| 39: | |
| 40: | /** |
| 41: | * Narrows an identity to what this level discloses, or null when it discloses none. |
| 42: | * |
| 43: | * @internal |
| 44: | */ |
| 45: | public function project(Implementation $serverInfo): ?Implementation |
| 46: | { |
| 47: | return match ($this) { |
| 48: | self::Full => $serverInfo, |
| 49: | self::NameAndVersion => new Implementation(name: $serverInfo->name, version: $serverInfo->version), |
| 50: | self::None => null, |
| 51: | }; |
| 52: | } |
| 53: | } |
| 54: |