Using SerpAPI as an AI Knowledge Augmentation Tool (LangChain Port)

[allanbunch]

Using Tools

Tools are simply Node-RED nodes that can be used to enhance AI capabilities.

This example is a port of LangChain's Using tools cookbook recipe.

Download: Using Tools Node-RED Flow Example JSON

For this example, the Prompt Template is configured to use OpenAI's gpt-3.5-turbo model.

Instructions

1. Configure the AI API nodes as needed.
2. Set the Topics node's msg.topic value to your natrual language query.

Note: Setup instructions for the SerpAPI node are outlined in the node's Info panel.

---

LangChain JS Equivalent

npm install @langchain/anthropic

import { PromptTemplate } from "@langchain/core/prompts";
import { StringOutputParser } from "@langchain/core/output_parsers";
import { ChatAnthropic } from "@langchain/anthropic";
import { SerpAPI } from "@langchain/community/tools/serpapi";

const search = new SerpAPI();

const prompt =
  PromptTemplate.fromTemplate(`Turn the following user input into a search query for a search engine:

{input}`);

const model = new ChatAnthropic({});

const chain = prompt.pipe(model).pipe(new StringOutputParser()).pipe(search);

const result = await chain.invoke({
  input: "Who is the current prime minister of Malaysia?",
});

console.log(result);
/*
  Anwar Ibrahim
*/