Seen on Firebase Studio with v3.114.0:

ERR Extension 'Dart-Code.dart-code' CANNOT register tool without name and modelDescription: {"name":"get_dart_tooling_daemon_dtd_uri","displayName":"Get the Dart Tooling Daemon (DTD) URI","userDescription":"Gets the URI to connect to the Dart Tooling Daemon (DTD).","modelDescription":"Gets the URI to connect to the Dart Tooling Daemon (DTD).","canBeReferencedInPrompt":true,"toolReferenceName":"dtdUri","inputSchema":{"type":"object","properties":{}}}