{"issuer":"https://secure.onepagecrm.com","registration_endpoint":"https://secure.onepagecrm.com/oauth/register","authorization_endpoint":"https://secure.onepagecrm.com/oauth/authorize","token_endpoint":"https://secure.onepagecrm.com/oauth/token","response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["client_secret_basic","client_secret_post","none"],"code_challenge_methods_supported":["S256"],"scopes_supported":["crm.readonly","crm","mcp"]}