from langchain_community.tools.tavily_search import TavilySearchResults from langgraph.prebuilt import ToolNode def get_tools(): """ Returns a list of tools to be used in the chatbot. """ tool = TavilySearchResults( max_results=2) return [tool] def create_tool_node(tools): """ Creates and returns a tool node for the graph. """ return ToolNode(tools=tools)