{"issuer":"https://mcp.mercadopago.com/mcp","authorization_endpoint":"https://auth.mercadopago.com/mcp/authorization","token_endpoint":"https://mcp.mercadopago.com/oauth/token","device_authorization_endpoint":"https://mcp.mercadopago.com/oauth/device_authorization","grant_types_supported":["authorization_code","refresh_token"],"response_types_supported":["code"],"scopes_supported":["offline_access","write","read"],"token_endpoint_auth_methods_supported":["none"],"code_challenge_methods_supported":["S256"],"authorization_response_iss_parameter_supported":true,"registration_endpoint":"https://mcp.mercadopago.com/oauth/register/mcp"}