diff --git a/hermes_cli/tools_config.py b/hermes_cli/tools_config.py
index 4d3a8c47530a6..7be692fcad690 100644
--- a/hermes_cli/tools_config.py
+++ b/hermes_cli/tools_config.py
@@ -152,7 +152,7 @@ def gui_toolset_label(label: str) -> str:
 # `hermes tools` → X (Twitter) Search setup walks users through credential
 # setup. The tool's check_fn means the schema still won't appear to the
 # model if the credential later goes missing or expires.
-_DEFAULT_OFF_TOOLSETS = {"homeassistant", "spotify", "discord", "discord_admin", "video", "video_gen", "x_search"}
+_DEFAULT_OFF_TOOLSETS = {"homeassistant", "spotify", "discord", "discord_admin", "video", "video_gen", "x_search", "a2a"}
 
 
 # Config-only capabilities: they appear in `hermes tools` for provider/API-key