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N8N Full Tutorial - Building AI Agents in 2025 for Beginners

AI Foundations via YouTube

Overview

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Learn to build AI agents from scratch using N8N, a powerful workflow automation platform, in this comprehensive 32-minute tutorial designed specifically for beginners. Start by understanding what AI agents are and how they function, then dive into the N8N interface and its hierarchical structure. Create your first N8N workflow by exploring different node types and setting up triggers to initiate your agent's actions. Add an AI agent to your workflow and integrate a chat model to enable natural language interactions. Test your basic agent setup before enhancing it with memory capabilities to maintain context across conversations. Build your first tool by creating database connections and setting up proper credentials for secure access. Update and refine your tools while learning to use N8N's 'fromAI' expression for dynamic data handling. Test your agent with database tools and add multiple agent tools to expand functionality. Explore advanced concepts like creating sub-agents for more complex automation scenarios. Master the fundamentals of AI agent development through hands-on practice with real workflow examples and practical testing scenarios.

Syllabus

0:00 - What are agents?
2:27 - Master AI agents with us
3:30 - N8N Interface and Hierarchy
4:23 - Creating an N8N Workflow
4:43 - N8N Node Types
6:38 - Creating a trigger
8:22 - Adding the AI Agent
9:05 - Adding a Chat Model
10:35 - Testing the Agent
11:02 - Adding Memory to the Agent
13:20 - Creating our first tool
16:07 - Creating credentials for tools
17:24 - Updating our first tool
18:37 - Testing agent with database tool
20:47 - Adding another agent tool
22:19 - N8N ‘fromAI’ expression
26:00 - Final Testing Results of N8N Agent
27:52 - Creating Sub Agents
29:52 - Learn more about agents

Taught by

AI Foundations

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