WatsonxToolkit

import { WatsonxToolkit } from "@langchain/community/agents/toolkits/ibm";
import "dotenv/config"

const toolkit = await WatsonxToolkit.init({
   version: '2024-05-31',
   serviceUrl: process.env.WATSONX_AI_SERVICE_URL
});

[Module: null prototype] { default: {} }

const tools = toolkit.getTools();

console.log(tools.map((tool) => ({
   name: tool.name,
   description: tool.description,
})))

[
 {
 name: "GoogleSearch",
 description: "Search for online trends, news, current events, real-time information, or research topics."
 },
 {
 name: "WebCrawler",
 description: "Useful for when you need to summarize a webpage. Do not use for Web search."
 },
 {
 name: "SDXLTurbo",
 description: "Generate an image from text using Stability.ai"
 },
 { name: "Weather", description: "Find the weather for a city." },
 {
 name: "RAGQuery",
 description: "Search the documents in a vector index."
 }
]

<Npm2Yarn>
 @langchain/langgraph
</Npm2Yarn>

import { ChatWatsonx } from "@langchain/community/chat_models/ibm";

const llm = new ChatWatsonx({
   version: '2024-05-31',
   serviceUrl: process.env.WATSONX_AI_SERVICE_URL,
   model: 'ibm/granite-3-8b-instruct',
   projectId: process.env.WATSONX_AI_PROJECT_ID
});

import { createAgent } from "@langchain/classic"

const agent = createAgent({ llm, tools });

const exampleQuery = "Who won F1 championship in 2022?"

const events = await agent.stream(
   { messages: [{ role: "user", content: exampleQuery }]},
   { streamMode: "values", }
)

for await (const event of events) {
  const lastMsg = event.messages[event.messages.length - 1];
   if (lastMsg.tool_calls?.length) {
      console.dir(lastMsg.tool_calls, { depth: null });
   } else if (lastMsg.content) {
      console.log(lastMsg.content);
   }
}

Who won F1 championship in 2022?
[
 {
 name: "GoogleSearch",
 args: { input: "F1 championship 2022" },
 type: "tool_call",
 id: "chatcmpl-tool-9da3456b9bbc475fb822296fdb8353a8"
 }
]
[{"title":"2022 DRIVER STANDINGS","description":"Official F1® Race Programme · Modern Slavery Statement; Do Not Sell or Share My Personal Information. Formula 1. © 2003-2025 Formula One World Championship ...","url":"https://www.formula1.com/en/results/2022/drivers"},{"title":"2022 Formula One World Championship - Wikipedia","description":"2022 Formula One World Championship · Max Verstappen won his second consecutive World Drivers' Championship driving for Red Bull Racing. · Charles Leclerc ...","url":"https://en.wikipedia.org/wiki/2022_Formula_One_World_Championship"},{"title":"2022 Formula One World Championship - Simple English Wikipedia ...","description":"Max Verstappen, who was the reigning Drivers' Champion, claimed his second title at the Japanese Grand Prix, while his team, Red Bull Racing, achieved their ...","url":"https://simple.wikipedia.org/wiki/2022_Formula_One_World_Championship"},{"title":"Max Verstappen wins the 2022 F1 Drivers World Championship : r ...","description":"Oct 9, 2022 ... One day this guy will win a championship just by finishing the race and celebrating with a world championship lap on the day he won.","url":"https://www.reddit.com/r/sports/comments/xzg8pf/max_verstappen_wins_the_2022_f1_drivers_world/"},{"title":"Red Bull Simulator Championship Edition | F1 Authentics","description":"Based on the livery of the 2022 Oracle Red Bull Racing Championship-winning RB18, this F1 simulator has been expertly engineered and manufactured by Memento ...","url":"https://www.f1authentics.com/products/red-bull-simulator-championship-edition"},{"title":"F1 2022 Drivers Championship without Max Verstappen : r/formula1","description":"Nov 26, 2022 ... 1.1K votes, 65 comments. 5.2M subscribers in the formula1 community. Welcome to r/Formula1, the best independent online Formula 1 community!","url":"https://www.reddit.com/r/formula1/comments/z5cwl7/f1_2022_drivers_championship_without_max/"},{"title":"F1® Sim Racing World Championship 2022","description":"World Championship 2022 Bahrain International Circuit Bahrain International Circuit Race Distance: 29 laps Track Length: 5.412 km","url":"https://f1esports.com/world/results/2022"},{"title":"Our personal F1 2022 Predictions Championship : r/formula1","description":"May 5, 2022 ... F1 2025 Driver Predictions from mathematical model. Leclerc and Sainz predicted to beat Hamilton and Albon. r/formula1 - F1 2025 Driver ...","url":"https://www.reddit.com/r/formula1/comments/uitbbu/our_personal_f1_2022_predictions_championship/"},{"title":"Haas F1 Team Esports announces roster for 2022 F1 Esports Series ...","description":"Sep 13, 2022 ... Haas F1 Team is ready to commence battle in the 2022 F1 Esports Series Pro Championship featuring an updated line-up for this season.","url":"https://www.haasf1team.com/news/haas-f1-team-esports-announces-roster-2022-f1-esports-series-pro-championship"},{"title":"2022 F1 Deconstructors Championship : r/formula1","description":"Nov 22, 2022 ... Congratulations to our 2022 champion Carlos Sainz. Alonso put in a late surge but had to settle for second place. Alfa put in the best effort ...","url":"https://www.reddit.com/r/formula1/comments/z1pkkx/2022_f1_deconstructors_championship/"}]
Max Verstappen won the 2022 F1 Championship, driving for Red Bull Racing. He claimed his second title at the Japanese Grand Prix.