{"issuer":"https://api.arkestro.com","authorization_endpoint":"https://api.arkestro.com/oauth/authorize","token_endpoint":"https://api.arkestro.com/oauth/token","revocation_endpoint":"https://api.arkestro.com/oauth/revoke","introspection_endpoint":"https://api.arkestro.com/oauth/introspect","scopes_supported":["mcp:read","mcp:write","offline_access"],"response_types_supported":["code"],"response_modes_supported":["query","fragment","form_post"],"grant_types_supported":["authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["client_secret_basic","client_secret_post","none"],"code_challenge_methods_supported":["S256"],"authorization_response_iss_parameter_supported":true,"userinfo_endpoint":null,"registration_endpoint":"https://api.arkestro.com/oauth/register","client_id_metadata_document_supported":false}