diff --git a/enterprise/integrations/utils.py b/enterprise/integrations/utils.py
index 6ead2e642d..5cdf38666d 100644
--- a/enterprise/integrations/utils.py
+++ b/enterprise/integrations/utils.py
@@ -20,6 +20,7 @@ from openhands.events.action import (
     AgentFinishAction,
     MessageAction,
 )
+from openhands.events.event_filter import EventFilter
 from openhands.events.event_store_abc import EventStoreABC
 from openhands.events.observation.agent import AgentStateChangedObservation
 from openhands.integrations.service_types import Repository
@@ -203,18 +204,35 @@ def get_summary_for_agent_state(
 def get_final_agent_observation(
     event_store: EventStoreABC,
 ) -> list[AgentStateChangedObservation]:
-    return event_store.get_matching_events(
-        source=EventSource.ENVIRONMENT,
-        event_types=(AgentStateChangedObservation,),
-        limit=1,
-        reverse=True,
+    events = list(
+        event_store.search_events(
+            filter=EventFilter(
+                source=EventSource.ENVIRONMENT,
+                include_types=(AgentStateChangedObservation,),
+            ),
+            limit=1,
+            reverse=True,
+        )
     )
+    result = [e for e in events if isinstance(e, AgentStateChangedObservation)]
+    assert len(result) == len(events)
+    return result
 
 
 def get_last_user_msg(event_store: EventStoreABC) -> list[MessageAction]:
-    return event_store.get_matching_events(
-        source=EventSource.USER, event_types=(MessageAction,), limit=1, reverse='true'
+    events = list(
+        event_store.search_events(
+            filter=EventFilter(
+                source=EventSource.USER,
+                include_types=(MessageAction,),
+            ),
+            limit=1,
+            reverse=True,
+        )
     )
+    result = [e for e in events if isinstance(e, MessageAction)]
+    assert len(result) == len(events)
+    return result
 
 
 def extract_summary_from_event_store(
@@ -226,18 +244,22 @@ def extract_summary_from_event_store(
     conversation_link = CONVERSATION_URL.format(conversation_id)
     summary_instruction = get_summary_instruction()
 
-    instruction_event: list[MessageAction] = event_store.get_matching_events(
-        query=json.dumps(summary_instruction),
-        source=EventSource.USER,
-        event_types=(MessageAction,),
-        limit=1,
-        reverse=True,
+    instruction_events = list(
+        event_store.search_events(
+            filter=EventFilter(
+                query=json.dumps(summary_instruction),
+                source=EventSource.USER,
+                include_types=(MessageAction,),
+            ),
+            limit=1,
+            reverse=True,
+        )
     )
 
     final_agent_observation = get_final_agent_observation(event_store)
 
     # Find summary instruction event ID
-    if len(instruction_event) == 0:
+    if not instruction_events:
         logger.warning(
             'no_instruction_event_found', extra={'conversation_id': conversation_id}
         )
@@ -245,19 +267,19 @@ def extract_summary_from_event_store(
             final_agent_observation, conversation_link
         )  # Agent did not receive summary instruction
 
-    event_id: int = instruction_event[0].id
-
-    agent_messages: list[MessageAction | AgentFinishAction] = (
-        event_store.get_matching_events(
-            start_id=event_id,
-            source=EventSource.AGENT,
-            event_types=(MessageAction, AgentFinishAction),
-            reverse=True,
+    summary_events = list(
+        event_store.search_events(
+            filter=EventFilter(
+                source=EventSource.AGENT,
+                include_types=(MessageAction, AgentFinishAction),
+            ),
             limit=1,
+            reverse=True,
+            start_id=instruction_events[0].id,
         )
     )
 
-    if len(agent_messages) == 0:
+    if not summary_events:
         logger.warning(
             'no_agent_messages_found', extra={'conversation_id': conversation_id}
         )
@@ -265,10 +287,11 @@ def extract_summary_from_event_store(
             final_agent_observation, conversation_link
         )  # Agent failed to generate summary
 
-    summary_event: MessageAction | AgentFinishAction = agent_messages[0]
+    summary_event = summary_events[0]
     if isinstance(summary_event, MessageAction):
         return summary_event.content
 
+    assert isinstance(summary_event, AgentFinishAction)
     return summary_event.final_thought