fix: support to add memories to Mem0 with agent_id (#3217)

* fix: support to add memories to Mem0 with agent_id

* feat: removing memory_type checkings from Mem0Storage

* feat: ensure agent_id is always present while saving memory into Mem0

* fix: use OR operator when querying Mem0 memories with both user_id and agent_id

src/crewai/memory/storage/mem0_storage.py

@@ -1,7 +1,8 @@
 import os
 from typing import Any, Dict, List
-
+from collections import defaultdict
 from mem0 import Memory, MemoryClient
+from crewai.utilities.chromadb import sanitize_collection_name
 
 from crewai.memory.storage.interface import Storage
 
@@ -70,20 +71,26 @@ class Mem0Storage(Storage):
         """
         Returns:
             dict: A filter dictionary containing AND conditions for querying data.
-                - Includes user_id if memory_type is 'external'.
+                - Includes user_id and agent_id if both are present.
+                - Includes user_id if only user_id is present.
+                - Includes agent_id if only agent_id is present.
                 - Includes run_id if memory_type is 'short_term' and mem0_run_id is present.
         """
-        filter = {
-            "AND": []
-        }
+        filter = defaultdict(list)
 
-        # Add user_id condition if the memory type is external
-        if self.memory_type == "external":
-            filter["AND"].append({"user_id": self.config.get("user_id", "")})
-
-        # Add run_id condition if the memory type is short_term and a run ID is set
         if self.memory_type == "short_term" and self.mem0_run_id:
             filter["AND"].append({"run_id": self.mem0_run_id})
+        else:
+            user_id = self.config.get("user_id", "")
+            agent_id = self.config.get("agent_id", "")
+
+            if user_id and agent_id:
+                filter["OR"].append({"user_id": user_id})
+                filter["OR"].append({"agent_id": agent_id})
+            elif user_id:
+                filter["AND"].append({"user_id": user_id})
+            elif agent_id:
+                filter["AND"].append({"agent_id": agent_id})
 
         return filter
 
@@ -104,21 +111,22 @@ class Mem0Storage(Storage):
             "infer": self.infer
         }
 
-        if self.memory_type == "external":
-            params["user_id"] = user_id
-
-        
-        if params:
         # MemoryClient-specific overrides
         if isinstance(self.memory, MemoryClient):
             params["includes"] = self.includes
             params["excludes"] = self.excludes
             params["output_format"] = "v1.1"
-                params["version"]="v2"
+            params["version"] = "v2"
 
-                if self.memory_type == "short_term":
+        if self.memory_type == "short_term" and self.mem0_run_id:
             params["run_id"] = self.mem0_run_id
 
+        if user_id:
+            params["user_id"] = user_id
+
+        if agent_id := self.config.get("agent_id", self._get_agent_name()):
+            params["agent_id"] = agent_id
+
         self.memory.add(assistant_message, **params)
 
     def search(self,query: str,limit: int = 3,score_threshold: float = 0.35) -> List[Any]:
@@ -151,7 +159,9 @@ class Mem0Storage(Storage):
         params['threshold'] = score_threshold
 
         if isinstance(self.memory, Memory):
-            del params["metadata"], params["version"], params["run_id"], params['output_format']
+            del params["metadata"], params["version"], params['output_format']
+            if params.get("run_id"):
+                del params["run_id"]
 
         results = self.memory.search(**params)
         return [r for r in results["results"]]
@@ -159,3 +169,18 @@ class Mem0Storage(Storage):
     def reset(self):
         if self.memory:
             self.memory.reset()
+
+    def _sanitize_role(self, role: str) -> str:
+        """
+        Sanitizes agent roles to ensure valid directory names.
+        """
+        return role.replace("\n", "").replace(" ", "_").replace("/", "_")
+
+    def _get_agent_name(self) -> str:
+        if not self.crew:
+            return ""
+
+        agents = self.crew.agents
+        agents = [self._sanitize_role(agent.role) for agent in agents]
+        agents = "_".join(agents)
+        return sanitize_collection_name(name=agents, max_collection_length=MAX_AGENT_ID_LENGTH_MEM0)

tests/storage/test_mem0_storage.py

@@ -199,9 +199,31 @@ def test_save_method_with_memory_oss(mem0_storage_with_mocked_config):
     mem0_storage.save(test_value, test_metadata)
 
     mem0_storage.memory.add.assert_called_once_with(
-        [{'role': 'assistant' , 'content': test_value}],
+        [{"role": "assistant" , "content": test_value}],
         infer=True,
         metadata={"type": "short_term", "key": "value"},
+        run_id="my_run_id",
+        user_id="test_user",
+        agent_id='Test_Agent'
+    )
+
+def test_save_method_with_multiple_agents(mem0_storage_with_mocked_config):
+    mem0_storage, _, _ = mem0_storage_with_mocked_config
+    mem0_storage.crew.agents = [MagicMock(role="Test Agent"), MagicMock(role="Test Agent 2"), MagicMock(role="Test Agent 3")]
+    mem0_storage.memory.add = MagicMock()
+
+    test_value = "This is a test memory"
+    test_metadata = {"key": "value"}
+
+    mem0_storage.save(test_value, test_metadata)
+
+    mem0_storage.memory.add.assert_called_once_with(
+        [{"role": "assistant" , "content": test_value}],
+        infer=True,
+        metadata={"type": "short_term", "key": "value"},
+        run_id="my_run_id",
+        user_id="test_user",
+        agent_id='Test_Agent_Test_Agent_2_Test_Agent_3'
     )
 
 
@@ -224,7 +246,9 @@ def test_save_method_with_memory_client(mem0_storage_with_memory_client_using_co
         run_id="my_run_id",
         includes="include1",
         excludes="exclude1",
-        output_format='v1.1'
+        output_format='v1.1',
+        user_id='test_user',
+         agent_id='Test_Agent'
     )
 
 
@@ -287,3 +311,55 @@ def test_mem0_storage_default_infer_value(mock_mem0_memory_client):
 
         mem0_storage = Mem0Storage(type="short_term", crew=crew)
         assert mem0_storage.infer is True
+
+def test_save_memory_using_agent_entity(mock_mem0_memory_client):
+    config = {
+        "agent_id": "agent-123",
+    }
+
+    mock_memory = MagicMock(spec=Memory)
+    with patch.object(Memory, "__new__", return_value=mock_memory):
+        mem0_storage = Mem0Storage(type="external", config=config)
+        mem0_storage.save("test memory", {"key": "value"})
+        mem0_storage.memory.add.assert_called_once_with(
+            [{'role': 'assistant' , 'content': 'test memory'}],
+            infer=True,
+            metadata={"type": "external", "key": "value"},
+            agent_id="agent-123",
+        )
+
+def test_search_method_with_agent_entity():
+    mem0_storage = Mem0Storage(type="external", config={"agent_id": "agent-123"})
+    mock_results = {"results": [{"score": 0.9, "content": "Result 1"}, {"score": 0.4, "content": "Result 2"}]}
+    mem0_storage.memory.search = MagicMock(return_value=mock_results)
+
+    results = mem0_storage.search("test query", limit=5, score_threshold=0.5)
+
+    mem0_storage.memory.search.assert_called_once_with(
+        query="test query",
+        limit=5,
+        filters={"AND": [{"agent_id": "agent-123"}]},
+        threshold=0.5,
+    )
+
+    assert len(results) == 2
+    assert results[0]["content"] == "Result 1"
+
+
+def test_search_method_with_agent_id_and_user_id():
+    mem0_storage = Mem0Storage(type="external", config={"agent_id": "agent-123", "user_id": "user-123"})
+    mock_results = {"results": [{"score": 0.9, "content": "Result 1"}, {"score": 0.4, "content": "Result 2"}]}
+    mem0_storage.memory.search = MagicMock(return_value=mock_results)
+
+    results = mem0_storage.search("test query", limit=5, score_threshold=0.5)
+
+    mem0_storage.memory.search.assert_called_once_with(
+        query="test query",
+        limit=5,
+        user_id='user-123',
+        filters={"OR": [{"user_id": "user-123"}, {"agent_id": "agent-123"}]},
+        threshold=0.5,
+    )
+
+    assert len(results) == 2
+    assert results[0]["content"] == "Result 1"