frontend-tools-setup.mdx

### Install the LangGraph Python SDK

<InstallPythonSDK />

### 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" />