A practical catalog of the 5 core agentic AI design patterns — ReAct, Plan-and-Execute, Reflection, Tool Use, and Multi-Agent Orchestration — with trade-offs and code.

A practical comparison of the top AI coding assistants in 2026 — Claude Code, Cursor, and the open-source Kilo Code — and which one actually fits your workflow.

Step-by-step guide to building an AI agent in Python from scratch using the ReAct pattern — no LangChain, no LangGraph, just Python and an LLM API.