diff --git a/.env.example b/.env.example
index 2f77ac6..c413461 100644
--- a/.env.example
+++ b/.env.example
@@ -1,10 +1,8 @@
 # required.
 NEUROAGENT_TOOLS__LITERATURE__URL=
 NEUROAGENT_KNOWLEDGE_GRAPH__BASE_URL=
-NEUROAGENT_GENERATIVE__OPENAI__TOKEN=
+NEUROAGENT_OPENAI__TOKEN=
 
-# Important but not required
-NEUROAGENT_AGENT__MODEL=
 
 NEUROAGENT_KNOWLEDGE_GRAPH__DOWNLOAD_HIERARCHY=
 
diff --git a/src/neuroagent/agent_routine.py b/src/neuroagent/agent_routine.py
index c123201..bcef856 100644
--- a/src/neuroagent/agent_routine.py
+++ b/src/neuroagent/agent_routine.py
@@ -56,7 +56,7 @@ async def get_chat_completion(
             "stream": stream,
         }
         if stream:
-            create_params["stream_options"] = {"include_usage": True}
+            create_params["stream_options"] = {"include_usage": True}  # type: ignore
 
         if tools:
             create_params["parallel_tool_calls"] = agent.parallel_tool_calls
diff --git a/src/neuroagent/app/config.py b/src/neuroagent/app/config.py
index f0334e9..0328268 100644
--- a/src/neuroagent/app/config.py
+++ b/src/neuroagent/app/config.py
@@ -5,7 +5,7 @@
 from typing import Literal, Optional
 
 from dotenv import dotenv_values
-from pydantic import BaseModel, ConfigDict, SecretStr, model_validator
+from pydantic import BaseModel, ConfigDict, SecretStr
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
@@ -228,21 +228,21 @@ class Settings(BaseSettings):
         frozen=True,
     )
 
-    @model_validator(mode="after")
-    def check_consistency(self) -> "Settings":
-        """Check if consistent.
+    # @model_validator(mode="after")
+    # def check_consistency(self) -> "Settings":
+    #     """Check if consistent.
 
-        ATTENTION: Do not put model validators into the child settings. The
-        model validator is run during instantiation.
+    #     ATTENTION: Do not put model validators into the child settings. The
+    #     model validator is run during instantiation.
 
-        """
-        # If you don't enforce keycloak auth, you need a way to communicate with the APIs the tools leverage
-        if not self.keycloak.password and not self.keycloak.validate_token:
-            raise ValueError(
-                "Need an auth method for subsequent APIs called by the tools."
-            )
+    #     """
+    #     # If you don't enforce keycloak auth, you need a way to communicate with the APIs the tools leverage
+    #     if not self.keycloak.password and not self.keycloak.validate_token:
+    #         raise ValueError(
+    #             "Need an auth method for subsequent APIs called by the tools."
+    #         )
 
-        return self
+    #     return self
 
 
 # Load the remaining variables into the environment
diff --git a/src/neuroagent/app/routers/qa.py b/src/neuroagent/app/routers/qa.py
index 0ab4624..437d2ae 100644
--- a/src/neuroagent/app/routers/qa.py
+++ b/src/neuroagent/app/routers/qa.py
@@ -27,6 +27,7 @@
     AgentRequest,
     AgentResponse,
     HILResponse,
+    VercelRequest,
 )
 from neuroagent.stream import stream_agent_response
 
@@ -95,7 +96,7 @@ async def run_chat_agent(
 
 @router.post("/chat_streamed/{thread_id}")
 async def stream_chat_agent(
-    user_request: AgentRequest,
+    user_request: VercelRequest,
     request: Request,
     agents_routine: Annotated[AgentsRoutine, Depends(get_agents_routine)],
     agent: Annotated[Agent, Depends(get_starting_agent)],
@@ -114,7 +115,9 @@ async def stream_chat_agent(
                 order=len(messages),
                 thread_id=thread.thread_id,
                 entity=Entity.USER,
-                content=json.dumps({"role": "user", "content": user_request.query}),
+                content=json.dumps(
+                    {"role": "user", "content": user_request.messages[0].content}
+                ),
             )
         )
     stream_generator = stream_agent_response(
@@ -125,4 +128,8 @@ async def stream_chat_agent(
         thread,
         request,
     )
-    return StreamingResponse(stream_generator, media_type="text/event-stream")
+    return StreamingResponse(
+        stream_generator,
+        media_type="text/event-stream",
+        headers={"x-vercel-ai-data-stream": "v1"},
+    )
diff --git a/src/neuroagent/new_types.py b/src/neuroagent/new_types.py
index 2a22a46..212c229 100644
--- a/src/neuroagent/new_types.py
+++ b/src/neuroagent/new_types.py
@@ -56,6 +56,38 @@ class AgentResponse(BaseModel):
     message: str = ""
 
 
+class ClientAttachment(BaseModel):
+    """Vercel class."""
+
+    name: str
+    contentType: str
+    url: str
+
+
+class ToolInvocation(BaseModel):
+    """Vercel class."""
+
+    toolCallId: str
+    toolName: str
+    args: dict[str, Any]
+    result: dict[str, Any]
+
+
+class ClientMessage(BaseModel):
+    """Vercel class."""
+
+    role: str
+    content: str
+    experimental_attachments: list[ClientAttachment] | None = None
+    toolInvocations: list[ToolInvocation] | None = None
+
+
+class VercelRequest(BaseModel):
+    """Vercel class."""
+
+    messages: list[ClientMessage]
+
+
 class Result(BaseModel):
     """
     Encapsulates the possible return values for an agent function.