{"authorization_endpoint":"https://mcp.admatrix.vn/oauth/authorize","code_challenge_methods_supported":["S256"],"grant_types_supported":["authorization_code"],"issuer":"https://mcp.admatrix.vn","registration_endpoint":"https://mcp.admatrix.vn/register","response_types_supported":["code"],"token_endpoint":"https://mcp.admatrix.vn/oauth/token","token_endpoint_auth_methods_supported":["none"]}