diff --git a/packages/claude-code-plugin/hooks/lib/mode_engine.py b/packages/claude-code-plugin/hooks/lib/mode_engine.py
index 163b887e..82cbf5c3 100644
--- a/packages/claude-code-plugin/hooks/lib/mode_engine.py
+++ b/packages/claude-code-plugin/hooks/lib/mode_engine.py
@@ -20,7 +20,7 @@
     "PLAN": {"name": "technical-planner", "title": "Technical Planner"},
     "ACT": {"name": "software-engineer", "title": "Software Engineer"},
     "EVAL": {"name": "code-reviewer", "title": "Code Reviewer"},
-    "AUTO": {"name": "auto-mode-agent", "title": "Auto Mode Agent"},
+    "AUTO": {"name": "auto-mode", "title": "Auto Mode Agent"},
 }
 
 # Mode instruction templates (compact, within ~2000 char hook limit)
diff --git a/packages/claude-code-plugin/hooks/lib/test_mode_engine.py b/packages/claude-code-plugin/hooks/lib/test_mode_engine.py
index b73b209c..d0c62c03 100644
--- a/packages/claude-code-plugin/hooks/lib/test_mode_engine.py
+++ b/packages/claude-code-plugin/hooks/lib/test_mode_engine.py
@@ -64,7 +64,7 @@ def test_eval_agent(self):
     def test_auto_agent(self):
         engine = ModeEngine(rules_dir=None)
         agent = engine.get_default_agent("AUTO")
-        self.assertEqual(agent["name"], "auto-mode-agent")
+        self.assertEqual(agent["name"], "auto-mode")
 
     def test_case_insensitive(self):
         engine = ModeEngine(rules_dir=None)