First, add `CopilotKitMiddleware` to your `create_agent` call. The middleware
is what makes every CopilotKit feature on the frontend — frontend tools,
shared state, agent context, and generative UI components — visible to your
LangGraph agent on every turn.

<DemoCode file="src/agents/frontend_tools.py" region="middleware" />

<Accordions>
  <Accordion title="Install the SDK">
    If `copilotkit` isn't already in your project, add it so the import
    above resolves. Pick the package manager that matches your project:

    <InstallPythonSDK />

  </Accordion>
</Accordions>