From 639d26e1ac7e8641f04f93a7d7253aa78e72161e Mon Sep 17 00:00:00 2001
From: Vedant Thakkar <75464324+vedant381@users.noreply.github.com>
Date: Thu, 23 Oct 2025 18:36:25 +0530
Subject: [PATCH] feat(api): add vector store configuration endpoints (#3583)

---
 openmemory/api/app/routers/config.py | 62 +++++++++++++++++++++++++---
 1 file changed, 57 insertions(+), 5 deletions(-)

diff --git a/openmemory/api/app/routers/config.py b/openmemory/api/app/routers/config.py
index 7eaae4bfa..d55cf7829 100644
--- a/openmemory/api/app/routers/config.py
+++ b/openmemory/api/app/routers/config.py
@@ -29,16 +29,22 @@ class EmbedderProvider(BaseModel):
     provider: str = Field(..., description="Embedder provider name")
     config: EmbedderConfig
 
+class VectorStoreProvider(BaseModel):
+    provider: str = Field(..., description="Vector store provider name")
+    # Below config can vary widely based on the vector store used. Refer https://docs.mem0.ai/components/vectordbs/config
+    config: Dict[str, Any] = Field(..., description="Vector store-specific configuration")
+
 class OpenMemoryConfig(BaseModel):
     custom_instructions: Optional[str] = Field(None, description="Custom instructions for memory management and fact extraction")
 
 class Mem0Config(BaseModel):
     llm: Optional[LLMProvider] = None
     embedder: Optional[EmbedderProvider] = None
+    vector_store: Optional[VectorStoreProvider] = None
 
 class ConfigSchema(BaseModel):
     openmemory: Optional[OpenMemoryConfig] = None
-    mem0: Mem0Config
+    mem0: Optional[Mem0Config] = None
 
 def get_default_configuration():
     """Get the default configuration with sensible defaults for LLM and embedder."""
@@ -62,7 +68,8 @@ def get_default_configuration():
                     "model": "text-embedding-3-small",
                     "api_key": "env:OPENAI_API_KEY"
                 }
-            }
+            },
+            "vector_store": None
         }
     }
 
@@ -97,7 +104,11 @@ def get_config_from_db(db: Session, key: str = "main"):
         # Ensure embedder config exists with defaults
         if "embedder" not in config_value["mem0"] or config_value["mem0"]["embedder"] is None:
             config_value["mem0"]["embedder"] = default_config["mem0"]["embedder"]
-    
+        
+        # Ensure vector_store config exists with defaults
+        if "vector_store" not in config_value["mem0"]:
+            config_value["mem0"]["vector_store"] = default_config["mem0"]["vector_store"]
+
     # Save the updated config back to database if it was modified
     if config_value != config.value:
         config.value = config_value
@@ -144,11 +155,28 @@ async def update_configuration(config: ConfigSchema, db: Session = Depends(get_d
     # Update mem0 settings
     updated_config["mem0"] = config.mem0.dict(exclude_none=True)
     
-    # Save the configuration to database
+
+@router.patch("/", response_model=ConfigSchema)
+async def patch_configuration(config_update: ConfigSchema, db: Session = Depends(get_db)):
+    """Update parts of the configuration."""
+    current_config = get_config_from_db(db)
+
+    def deep_update(source, overrides):
+        for key, value in overrides.items():
+            if isinstance(value, dict) and key in source and isinstance(source[key], dict):
+                source[key] = deep_update(source[key], value)
+            else:
+                source[key] = value
+        return source
+
+    update_data = config_update.dict(exclude_unset=True)
+    updated_config = deep_update(current_config, update_data)
+
     save_config_to_db(db, updated_config)
     reset_memory_client()
     return updated_config
 
+
 @router.post("/reset", response_model=ConfigSchema)
 async def reset_configuration(db: Session = Depends(get_db)):
     """Reset the configuration to default values."""
@@ -214,6 +242,30 @@ async def update_embedder_configuration(embedder_config: EmbedderProvider, db: S
     reset_memory_client()
     return current_config["mem0"]["embedder"]
 
+@router.get("/mem0/vector_store", response_model=Optional[VectorStoreProvider])
+async def get_vector_store_configuration(db: Session = Depends(get_db)):
+    """Get only the Vector Store configuration."""
+    config = get_config_from_db(db)
+    vector_store_config = config.get("mem0", {}).get("vector_store", None)
+    return vector_store_config
+
+@router.put("/mem0/vector_store", response_model=VectorStoreProvider)
+async def update_vector_store_configuration(vector_store_config: VectorStoreProvider, db: Session = Depends(get_db)):
+    """Update only the Vector Store configuration."""
+    current_config = get_config_from_db(db)
+    
+    # Ensure mem0 key exists
+    if "mem0" not in current_config:
+        current_config["mem0"] = {}
+    
+    # Update the Vector Store configuration
+    current_config["mem0"]["vector_store"] = vector_store_config.dict(exclude_none=True)
+    
+    # Save the configuration to database
+    save_config_to_db(db, current_config)
+    reset_memory_client()
+    return current_config["mem0"]["vector_store"]
+
 @router.get("/openmemory", response_model=OpenMemoryConfig)
 async def get_openmemory_configuration(db: Session = Depends(get_db)):
     """Get only the OpenMemory configuration."""
@@ -236,4 +288,4 @@ async def update_openmemory_configuration(openmemory_config: OpenMemoryConfig, d
     # Save the configuration to database
     save_config_to_db(db, current_config)
     reset_memory_client()
-    return current_config["openmemory"] 
\ No newline at end of file
+    return current_config["openmemory"]