TavilySearchTool is a tool that uses the Tavily Search API to perform a search. This tool allows agents to leverage the Tavily search engine for information retrieval. It requires a Tavily API key, which can be provided during initialization or set as
an environment variable TAVILY_API_KEY. Attributes: tavily_api_key (str): The API key used for authenticating with the Tavily API. Initializes the TavilySearchTool. Parameters: