How to Build AI Agents with FREE Tools LangChain, CrewAI, LangGraph, Ollama

Description

Learn how to build powerful AI agents from scratch using completely FREE tools. In this complete beginner-to-production guide, you’ll learn how modern AI agents work and how to build your own using frameworks like LangChain, CrewAI, LangGraph, and Ollama. This video covers everything you need to know — from core agent architecture to multi-agent systems, RAG pipelines, memory, custom tools, and deployment. What you'll learn: • What AI Agents are and how they work • The best FREE AI agent tools stack • Core agent patterns (ReAct, Plan-Execute, RAG) • Building your first AI agent step-by-step • Adding memory with ChromaDB • Creating custom tools using Python • Multi-agent systems using CrewAI • Complex workflows with LangGraph • Building RAG agents with your documents • Running private local AI agents using Ollama • Deploying agents for FREE using HuggingFace Spaces Tools covered: LangChain CrewAI LangGraph Ollama Groq ChromaDB HuggingFace This guide is perfect for: • AI beginners • Developers learning LLM applications • Engineers building autonomous agents • Anyone interested in AI automation Start building real AI agents today using only free tools. #AIagents #LangChain #CrewAI #LangGraph #Ollama #ArtificialIntelligence 0:00 – 0.18 channel Introduction 0:18 – 0:40 Introduction to AI Agents 0:40 – 1:50 Understanding the AI Agent Stack 1:50 – 3:10 Building an AI Agent Step-by-Step 3:10 – 4:20 Multi-Agent Collaboration 4:20 – 5:25 Final Demo & Use Cases