Hassan Ali hassan404

AI Agents in 2025: A Pragmatic Introduction for Developers

In the ever-evolving landscape of artificial intelligence, AI agents have emerged as one of the most promising paradigms for building intelligent systems. Unlike chatbots or simple automation tools, AI agents can reason, plan, and execute multi-step tasks with minimal human intervention. They represent a fundamentally new way to develop applications that can autonomously solve complex problems.

But what exactly are the building blocks of an effective AI agent system? If you're a developer looking to enter this space, understanding the core components—in order of their importance—will help you build a mental model of the field and guide your learning journey.

The Anatomy of AI Agents: A Developer's Guide

Let's break down the essential components of AI agent systems in descending order of importance. This architecture reflects the market realities of 2025, focusing on what's actually being used in production rather than experimental approaches.

ngrok Configuration with a Fixed Domain

This guide explains how to set up ngrok with a fixed domain using an Edge.

1. Claim a Free Static Domain

Go to ngrok Dashboard → Domains.
Click "New Domain" and create one

	import os
	import sys


	def process_path(path, extension=None):
	"""
	Process a single path which can be either a file or directory.
	If it's a directory, recursively process all files with given extension.
	If it's a file, process it directly.

	const sampleOrders = {
	daraz: [
	{ orderId: 101, customerName: "Alice", amount: "$120", status: "Delivered" },
	{ orderId: 102, customerName: "Bob", amount: "$85", status: "Shipped" },
	{ orderId: 103, customerName: "Cathy", amount: "$150", status: "Pending" },
	{ orderId: 104, customerName: "Daniel", amount: "$200", status: "Cancelled" },
	{ orderId: 105, customerName: "Eva", amount: "$95", status: "Delivered" },
	{ orderId: 106, customerName: "Frank", amount: "$50", status: "In Transit" },
	{ orderId: 107, customerName: "Grace", amount: "$120", status: "Shipped" },
	{ orderId: 108, customerName: "Hank", amount: "$300", status: "Delivered" },