| 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\Extension\Auth\ClientCredentials; |
| 15: | |
| 16: | /** |
| 17: | * Protocol vocabulary of the OAuth client credentials extension |
| 18: | * (`io.modelcontextprotocol/oauth-client-credentials`, SEP-1046). |
| 19: | * |
| 20: | * @see https://github.com/modelcontextprotocol/ext-auth/blob/main/specification/draft/oauth-client-credentials.mdx |
| 21: | */ |
| 22: | final readonly class ClientCredentials |
| 23: | { |
| 24: | public const string IDENTIFIER = 'io.modelcontextprotocol/oauth-client-credentials'; |
| 25: | public const string GRANT_TYPE = 'client_credentials'; |
| 26: | public const string CLIENT_ASSERTION_TYPE = 'urn:ietf:params:oauth:client-assertion-type:jwt-bearer'; |
| 27: | } |
| 28: |