feat(mcp): add username support for FalkorDB authentication

mcp_server/src/config/schema.py

@@ -187,6 +187,7 @@ class FalkorDBProviderConfig(BaseModel):
     """FalkorDB provider configuration."""
 
     uri: str = 'redis://localhost:6379'
+    username: str | None = None
     password: str | None = None
     database: str = 'default_db'
 

mcp_server/src/graphiti_mcp_server.py

@@ -218,6 +218,7 @@ async def initialize(self) -> None:
                     falkor_driver = FalkorDriver(
                         host=db_config['host'],
                         port=db_config['port'],
+                        username=db_config.get('username'),
                         password=db_config['password'],
                         database=db_config['database'],
                     )

mcp_server/src/services/factories.py

@@ -418,6 +418,7 @@ def create_config(config: DatabaseConfig) -> dict:
                 from urllib.parse import urlparse
 
                 uri = os.environ.get('FALKORDB_URI', falkor_config.uri)
+                username = os.environ.get('FALKORDB_USERNAME', falkor_config.username)
                 password = os.environ.get('FALKORDB_PASSWORD', falkor_config.password)
 
                 # Parse the URI to extract host and port
@@ -429,6 +430,7 @@ def create_config(config: DatabaseConfig) -> dict:
                     'driver': 'falkordb',
                     'host': host,
                     'port': port,
+                    'username': username,
                     'password': password,
                     'database': falkor_config.database,
                 }