Resources I use (affiliate links — thanks for your support 🙌) 🔗 Unlimited n8n Server (DRFIRAS15): https://www.hostg.xyz/SHHnv 🔗 Free n8n Workflow Download: https://n8n.dr-firas.vip/ 🔗 Access My n8n Courses (In french): https://hotm.art/formation-n8n In this full tutorial, I’ll show you step by step how to build your first AI Agent with n8n and ChatGPT-5. You’ll learn how to connect Google Sheets, Gmail, and Google Calendar, use a knowledge base, and automate appointment scheduling with an intelligent workflow. ⏱ TIMESTAMPS: 00:00 - Introduction: Build Your First AI Agent 02:00 - Download My Workflow for Free 05:28 - Import Your Workflow into n8n Step by Step 06:11 - Input: Ask Questions from Your Database 07:02 - Manage Your AI Agent’s Memory 07:29 - Connect ChatGPT-5 as the LLM 09:11 - Create and Use a Knowledge Base 10:08 - Overview of All Available Actions 10:48 - Understand and Configure the Prompt System 12:39 - First Test: Create Your First Prompt 14:18 - Use a Prompt with Google Calendar 15:27 - Create an Event Automatically with a Prompt 16:35 - Send an Email via Gmail with a Prompt 17:30 - Easily Set Up Google Sheets Credentials 18:14 - Bonus: Download My 18 Practical n8n Workshops