diff --git a/homeassistant/components/conversation/default_agent.py b/homeassistant/components/conversation/default_agent.py
index 624fa3c3555..66ffb25fa1a 100644
--- a/homeassistant/components/conversation/default_agent.py
+++ b/homeassistant/components/conversation/default_agent.py
@@ -246,7 +246,7 @@ class DefaultAgent(ConversationEntity):
         self._unexposed_names_trie: Trie | None = None
 
         # Sentences that will trigger a callback (skipping intent recognition)
-        self._trigger_sentences: list[TriggerData] = []
+        self.trigger_sentences: list[TriggerData] = []
         self._trigger_intents: Intents | None = None
         self._unsub_clear_slot_list: list[Callable[[], None]] | None = None
         self._load_intents_lock = asyncio.Lock()
@@ -1188,7 +1188,7 @@ class DefaultAgent(ConversationEntity):
     ) -> core.CALLBACK_TYPE:
         """Register a list of sentences that will trigger a callback when recognized."""
         trigger_data = TriggerData(sentences=sentences, callback=callback)
-        self._trigger_sentences.append(trigger_data)
+        self.trigger_sentences.append(trigger_data)
 
         # Force rebuild on next use
         self._trigger_intents = None
@@ -1205,7 +1205,7 @@ class DefaultAgent(ConversationEntity):
                 # This works because the intents are rebuilt on every
                 # register/unregister.
                 str(trigger_id): {"data": [{"sentences": trigger_data.sentences}]}
-                for trigger_id, trigger_data in enumerate(self._trigger_sentences)
+                for trigger_id, trigger_data in enumerate(self.trigger_sentences)
             },
         }
 
@@ -1228,7 +1228,7 @@ class DefaultAgent(ConversationEntity):
     @core.callback
     def _unregister_trigger(self, trigger_data: TriggerData) -> None:
         """Unregister a set of trigger sentences."""
-        self._trigger_sentences.remove(trigger_data)
+        self.trigger_sentences.remove(trigger_data)
 
         # Force rebuild on next use
         self._trigger_intents = None
@@ -1241,7 +1241,7 @@ class DefaultAgent(ConversationEntity):
         Calls the registered callbacks if there's a match and returns a sentence
         trigger result.
         """
-        if not self._trigger_sentences:
+        if not self.trigger_sentences:
             # No triggers registered
             return None
 
@@ -1286,7 +1286,7 @@ class DefaultAgent(ConversationEntity):
 
         # Gather callback responses in parallel
         trigger_callbacks = [
-            self._trigger_sentences[trigger_id].callback(user_input, trigger_result)
+            self.trigger_sentences[trigger_id].callback(user_input, trigger_result)
             for trigger_id, trigger_result in result.matched_triggers.items()
         ]
 
diff --git a/homeassistant/components/conversation/http.py b/homeassistant/components/conversation/http.py
index ebc5d70f1ef..d9873c5cbce 100644
--- a/homeassistant/components/conversation/http.py
+++ b/homeassistant/components/conversation/http.py
@@ -36,6 +36,7 @@ def async_setup(hass: HomeAssistant) -> None:
     websocket_api.async_register_command(hass, websocket_process)
     websocket_api.async_register_command(hass, websocket_prepare)
     websocket_api.async_register_command(hass, websocket_list_agents)
+    websocket_api.async_register_command(hass, websocket_list_sentences)
     websocket_api.async_register_command(hass, websocket_hass_agent_debug)
 
 
@@ -150,6 +151,27 @@ async def websocket_list_agents(
     connection.send_message(websocket_api.result_message(msg["id"], {"agents": agents}))
 
 
+@websocket_api.websocket_command(
+    {
+        vol.Required("type"): "conversation/sentences/list",
+    }
+)
+@websocket_api.require_admin
+@websocket_api.async_response
+async def websocket_list_sentences(
+    hass: HomeAssistant, connection: websocket_api.ActiveConnection, msg: dict
+) -> None:
+    """List custom registered sentences."""
+    agent = hass.data.get(DATA_DEFAULT_ENTITY)
+    assert isinstance(agent, DefaultAgent)
+
+    sentences = []
+    for trigger_data in agent.trigger_sentences:
+        sentences.extend(trigger_data.sentences)
+
+    connection.send_result(msg["id"], {"trigger_sentences": sentences})
+
+
 @websocket_api.websocket_command(
     {
         vol.Required("type"): "conversation/agent/homeassistant/debug",
diff --git a/tests/components/conversation/snapshots/test_http.ambr b/tests/components/conversation/snapshots/test_http.ambr
index 8023d1ee6fa..9cebfd9abd1 100644
--- a/tests/components/conversation/snapshots/test_http.ambr
+++ b/tests/components/conversation/snapshots/test_http.ambr
@@ -693,6 +693,14 @@
   })
 # ---
 # name: test_ws_hass_agent_debug_sentence_trigger
+  dict({
+    'trigger_sentences': list([
+      'hello',
+      'hello[ world]',
+    ]),
+  })
+# ---
+# name: test_ws_hass_agent_debug_sentence_trigger.1
   dict({
     'results': list([
       dict({
diff --git a/tests/components/conversation/test_http.py b/tests/components/conversation/test_http.py
index e792d8c6913..6d69ec3c739 100644
--- a/tests/components/conversation/test_http.py
+++ b/tests/components/conversation/test_http.py
@@ -501,6 +501,19 @@ async def test_ws_hass_agent_debug_sentence_trigger(
 
     client = await hass_ws_client(hass)
 
+    # List sentence
+    await client.send_json_auto_id(
+        {
+            "type": "conversation/sentences/list",
+        }
+    )
+    await hass.async_block_till_done()
+
+    msg = await client.receive_json()
+
+    assert msg["success"]
+    assert msg["result"] == snapshot
+
     # Use trigger sentence
     await client.send_json_auto_id(
         {