Ai Agent

Build Enterprise AI Agent from Scratch: Series Overview

Why I wrote this series, what you'll build, and how to follow along — an overview of all eight chapters covering the full lifecycle of a production AI agent.

Build Enterprise AI Agent from Scratch

A hands-on series covering everything you need to build production-grade AI agents — from core concepts and LangGraph fundamentals to memory, guardrails, tracing, and evaluation.

[Ch 3] Getting Started with LangChain & LangGraph

A practical introduction to LangChain's core building blocks and LangGraph's stateful graph abstraction — including messages, @tool, StateGraph, nodes, edges, and a complete Hello …

[Ch 2] AI Agent Components & Context Engineering

A deep dive into the four core components of an AI agent system, and why Context Engineering — managing everything in the LLM's context window — matters far more than just writing …

[Ch 1] Introduction to AI Agents — Why Do We Need Them?

What exactly is an AI agent, how does it differ from a chatbot or an LLM pipeline, and when should you actually use one? This chapter covers the agent loop, real use cases, and the …