AI
Learn agentic AI
Agentic AI systems let a model decide on actions — tool calls, branches, or retries — instead of answering in one pass. Many products only need a fixed workflow.
For engineers designing tool-using assistants and trying not to add a loop where a prompt would do.
Start here
Read Anthropic’s agent essay and write down which of your tasks are workflows and which actually need an agent.
Recommended resources
Start here · IntermediateBuilding effective agents
Separates workflows from agents and shows the patterns that are worth the complexity.
www.anthropic.comBuild · IntermediateLangGraph
A graph runtime for state, tools, and durable steps when you do need an agent.
langchain-ai.github.ioHands-on · BeginnerBuild a basic chatbot
The smallest LangGraph program, before tools and branching.
langchain-ai.github.ioReference · IntermediateFunction calling
How a model requests a tool call, which is the mechanism under most agents.
developers.openai.comRelated topics
Learn LangGraph · Learn the Model Context Protocol · Learn retrieval-augmented generation