{"issuer":"https://materialgraph.com","token_endpoint":"https://materialgraph.com/api/auth/token","grant_types_supported":["client_credentials","urn:ietf:params:oauth:grant-type:token-exchange"],"token_endpoint_auth_methods_supported":["client_secret_post","client_secret_basic"],"response_types_supported":["token"],"subject_types_supported":["public"],"id_token_signing_alg_values_supported":["RS256"],"scopes_supported":["mg:read","mg:compose","mg:write","mg:admin","mg:ingest"]}