AI Agent Development Kits: A Beginner’s Guide

New to AI agent engineering? This beginner’s guide explains what AI agent development kits are, compares top SDKs like LangChain, CrewAI, and the Claude Agent SDK, and shows you how to build your first agent step by step.

The Evolution of Prompt Engineering: Context and Flow

By Jamie Park — Educator and Career Coach at Harness Engineering Academy When people first encounter a large language model, the interaction feels almost magical. You type something in, and something intelligent comes back. But here is the truth that separates casual users from real AI engineers: what you put in determines almost everything about … Read more

Daily AI Agent News Roundup — March 25, 2026

The AI agent ecosystem continues its rapid evolution, with significant developments this week spanning framework maturity, real-world performance validation, security-first tooling, and a new generation of expanded context models. Today’s roundup covers critical insights for anyone evaluating, building, or deploying agent orchestration systems at scale. 1. LangChain’s Continued Dominance in Agent Engineering LangChain’s prominence in … Read more

Daily AI Agent News Roundup — March 25, 2026

The first quarter of 2026 has fundamentally shifted how the industry approaches AI agents. We’ve moved past the chatbot era into serious production deployments, which means the focus has sharply pivoted toward harness engineering—the discipline of building reliable, verifiable, and operationally sound AI agent systems. Today’s news cycle reflects this maturation: lessons from production teams, … Read more