Enable the Anthropic APIs Web Search Tool

websearch.js

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: 'YoUR-APi-KeY-GOEs-HeRE', // This is the default and can be omitted
});

async function main() {
  const message = await client.messages.create({
    max_tokens: 1024,
    messages: [{ role: 'user', content: 'What bands are playing tonight at Hotel Vegas in Austin, TX?' }],
    model: 'claude-3-7-sonnet-20250219',
    // Enable Claude Web Search
    tools: [{
        type: "web_search_20250305",
        name: "web_search",
        max_uses: 5
    }],
  });

  console.log(message.content);
}

main();