{"issuer": "https://mcp.vultr.com/", "authorization_endpoint": "https://mcp.vultr.com/authorize", "token_endpoint": "https://mcp.vultr.com/token", "registration_endpoint": "https://mcp.vultr.com/register", "scopes_supported": [], "response_types_supported": ["code"], "grant_types_supported": ["authorization_code", "refresh_token", "urn:ietf:params:oauth:grant-type:device_code"], "token_endpoint_auth_methods_supported": ["client_secret_post", "client_secret_basic", "private_key_jwt", "none"], "code_challenge_methods_supported": ["S256"], "client_id_metadata_document_supported": true, "device_authorization_endpoint": "https://mcp.vultr.com/device_authorization"}