Create an AI Chatbot in Slack with GPT-4.1 & n8n – Full Beginner Tutorial
🚀 In this step-by-step tutorial, learn how to create your own AI-powered chatbot for Slack using n8n automation and OpenAI – no coding required!
Whether you’re a beginner or just looking to automate internal support tasks, this guide walks you through:
✅ Setting up a Slack App from scratch
✅ Connecting Slack with n8n using WebHooks
✅ Creating an AI agent using OpenAI Chat model
✅ Responding to employee queries in Slack channels
✅ Customizing permissions, profile-based replies, and more!
🔧 Tools used:
Slack Developer Console
n8n (Cloud or Self-hosted)
OpenAI API (ChatGPT-compatible models)
💡 Perfect for HR bots, IT assistants, internal helpdesk bots, and other work-related Slack automations.
🎯 Who is this for?
Anyone working in a company using Slack who wants to automate answers to common internal questions with AI – no engineering background needed.
Timestamps:
00:00 – Intro: What the chatbot does
00:48 – Overview of steps (Slack app + n8n workflow)
01:36 – Prerequisites (Slack admin, n8n instance)
02:24 – Create Slack App from scratch
04:36 – Setup Slack Webhook in n8n
05:44 – Configure Event Subscription
07:13 – Add Slack OAuth Scopes & install app
08:29 – Test mention trigger
09:19 – Add AI Agent (OpenAI Chat)
11:48 – Send response via Slack Message node
15:08 – Final integration flow recap
16:06 – Customization ideas (user info, memory)
17:26 – Recap: Trigger → Agent → Reply
📌 Try it and let me know what you build in the comments!
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