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*   Tavily Search

Tavily Search
=============

Tavily Search is a robust search API tailored specifically for LLM Agents. It seamlessly integrates with diverse data sources to ensure a superior, relevant search experience.

Setup[​](#setup "Direct link to Setup")
---------------------------------------

Set up an API key [here](https://app.tavily.com) and set it as an environment variable named `TAVILY_API_KEY`.

You'll also need to install the `@langchain/community` package:

tip

See [this section for general instructions on installing integration packages](/v0.1/docs/get_started/installation/#installing-integration-packages).

*   npm
*   Yarn
*   pnpm

    npm install @langchain/openai @langchain/community

    yarn add @langchain/openai @langchain/community

    pnpm add @langchain/openai @langchain/community

Usage[​](#usage "Direct link to Usage")
---------------------------------------

    import { TavilySearchResults } from "@langchain/community/tools/tavily_search";import { ChatOpenAI } from "@langchain/openai";import type { ChatPromptTemplate } from "@langchain/core/prompts";import { pull } from "langchain/hub";import { AgentExecutor, createOpenAIFunctionsAgent } from "langchain/agents";// Define the tools the agent will have access to.const tools = [new TavilySearchResults({ maxResults: 1 })];// Get the prompt to use - you can modify this!// If you want to see the prompt in full, you can at:// https://smith.langchain.com/hub/hwchase17/openai-functions-agentconst prompt = await pull<ChatPromptTemplate>(  "hwchase17/openai-functions-agent");const llm = new ChatOpenAI({  model: "gpt-3.5-turbo-1106",  temperature: 0,});const agent = await createOpenAIFunctionsAgent({  llm,  tools,  prompt,});const agentExecutor = new AgentExecutor({  agent,  tools,});const result = await agentExecutor.invoke({  input: "what is the weather in wailea?",});console.log(result);/*  {    input: 'what is the weather in wailea?',    output: "The current weather in Wailea, HI is 64°F with clear skies. The high for today is 82°F and the low is 66°F. If you'd like more detailed information, you can visit [The Weather Channel](https://weather.com/weather/today/l/Wailea+HI?canonicalCityId=ffa9df9f7220c7e22cbcca3dc0a6c402d9c740c755955db833ea32a645b2bcab)."  }*/

#### API Reference:

*   [TavilySearchResults](https://api.js.langchain.com/classes/langchain_community_tools_tavily_search.TavilySearchResults.html) from `@langchain/community/tools/tavily_search`
*   [ChatOpenAI](https://api.js.langchain.com/classes/langchain_openai.ChatOpenAI.html) from `@langchain/openai`
*   [ChatPromptTemplate](https://api.js.langchain.com/classes/langchain_core_prompts.ChatPromptTemplate.html) from `@langchain/core/prompts`
*   [pull](https://api.js.langchain.com/functions/langchain_hub.pull.html) from `langchain/hub`
*   [AgentExecutor](https://api.js.langchain.com/classes/langchain_agents.AgentExecutor.html) from `langchain/agents`
*   [createOpenAIFunctionsAgent](https://api.js.langchain.com/functions/langchain_agents.createOpenAIFunctionsAgent.html) from `langchain/agents`

* * *

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