How to Build Your First AI Agent in 30 Minutes Using LangChain

Step-by-step guide to building a functional AI agent that can search the web, run code, and answer questions.

This tutorial walks you through building a working AI agent from scratch.

Step 1: Set Up

Install LangChain, create a virtual environment, and add your API key.

Step 2: Add Tools

Give the agent a search tool and a code runner, then let it decide when to use each.

Step 3: Run It

Ask a multi-step question and watch the agent plan, act and answer.