from langchain_community.tools.tavily_search import TavilySearchResults
from langgraph.prebuilt import ToolNode

def get_tools():
    """
    Returns the list of tools to be used in the chatbot
    """
    tools = [TavilySearchResults(max_results=2)]
    return tools

def create_tool_node(tools):
    """creates and returns a tool node for the graph"""
    return ToolNode(tools=tools)