https://mk-hasan.com/blog A blog about programming, data and web development. en-us hasan.alive@gmail.com (Mk Hasan) hasan.alive@gmail.com (Mk Hasan) Sun, 14 Jun 2026 00:00:00 GMT https://mk-hasan.com/blog/agentic-ai-overview-3 https://mk-hasan.com/blog/agentic-ai-overview-3 Part 3 covers patterns 01–06 — ReAct, Tool Use, Planning, Prompt Chaining, Routing, and Parallelization — with LangGraph flow diagrams and runnable commands for each. Sun, 14 Jun 2026 00:00:00 GMT hasan.alive@gmail.com (Mk Hasan) react-agentlanggraphroutingplanningdesign-patterns