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SearchApi tool

The SearchApi tool connects your agents and chains to the internet.

A wrapper around the Search API. This tool is handy when you need to answer questions about current events.


Input should be a search query.

npm install @langchain/openai
import { ChatOpenAI } from "@langchain/openai";
import { AgentExecutor } from "langchain/agents";
import { ChatPromptTemplate } from "@langchain/core/prompts";
import { RunnableSequence } from "@langchain/core/runnables";
import { AgentFinish, AgentAction } from "@langchain/core/agents";
import { BaseMessageChunk } from "@langchain/core/messages";
import { SearchApi } from "@langchain/community/tools/searchapi";

const model = new ChatOpenAI({
temperature: 0,
const tools = [
new SearchApi(process.env.SEARCHAPI_API_KEY, {
engine: "google_news",
const prefix = ChatPromptTemplate.fromMessages([
"Answer the following questions as best you can. In your final answer, use a bulleted list markdown format.",
["human", "{input}"],
// Replace this with your actual output parser.
const customOutputParser = (
input: BaseMessageChunk
): AgentAction | AgentFinish => ({
log: "test",
returnValues: {
output: input,
// Replace this placeholder agent with your actual implementation.
const agent = RunnableSequence.from([prefix, model, customOutputParser]);
const executor = AgentExecutor.fromAgentAndTools({
const res = await executor.invoke({
input: "What's happening in Ukraine today?",

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