Frontend Tools Setup - Copilotkit

<Steps> <Step> ### Install the LangGraph Python SDK

<InstallPythonSDK />

</Step> <Step> ### Wire CopilotKit middleware into your graph

Frontend tools registered with `useFrontendTool` are forwarded to your
agent at runtime. `CopilotKitMiddleware` is the bridge — drop it into
`create_agent`'s `middleware` list and the LLM sees the forwarded tool
definitions on every turn.

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

</Step> </Steps>