Add Memgraph integration (#2537)

mem0/graphs/configs.py

@@ -20,6 +20,22 @@ class Neo4jConfig(BaseModel):
         if not url or not username or not password:
             raise ValueError("Please provide 'url', 'username' and 'password'.")
         return values
+    
+class MemgraphConfig(BaseModel):
+    url: Optional[str] = Field(None, description="Host address for the graph database")
+    username: Optional[str] = Field(None, description="Username for the graph database")
+    password: Optional[str] = Field(None, description="Password for the graph database")
+
+    @model_validator(mode="before")
+    def check_host_port_or_path(cls, values):
+        url, username, password = (
+            values.get("url"),
+            values.get("username"),
+            values.get("password"),
+        )
+        if not url or not username or not password:
+            raise ValueError("Please provide 'url', 'username' and 'password'.")
+        return values
 
 
 class GraphStoreConfig(BaseModel):
@@ -35,5 +51,7 @@ class GraphStoreConfig(BaseModel):
         provider = values.data.get("provider")
         if provider == "neo4j":
             return Neo4jConfig(**v.model_dump())
+        elif provider == "memgraph":
+            return MemgraphConfig(**v.model_dump())
         else:
             raise ValueError(f"Unsupported graph store provider: {provider}")