In this beginner-friendly tutorial, you will learn how to set up your n8n instance for free and connect it to Gmail + Google Sheets for automation.
You will learn core data processing, write a bit of JavaScript, and build your first AI Agent workflow for real operational use cases.
Key Links:
Create your n8n instance: https://n8n.io/
Generate your Google credentials: https://console.cloud.google.com/
Create your OpenAI API key: https://platform.openai.com/
GitHub repo (30+ free templates): https://bit.ly/supply-science-n8n-logistics
AI Workflow Automation playlist: https://bit.ly/supply-science-ai-workflow
Timestamps:
0:00 Introduction
1:16 Build your first AI Supply Chain workflow automation
3:28 Create your n8n instance for free
5:42 Why you need credentials in n8n (and how they work)
8:10 Add Gmail credentials to your n8n instance
12:24 Add Google Sheets credentials to your n8n instance
16:04 Exercise intro: learn data processing basics with n8n
18:58 Call an API with n8n
24:52 Filter tabular data with n8n
27:16 Use the Edit node to transform data
31:45 Create a Boolean field with the Edit node
33:27 Add an IF condition in n8n
35:01 Write JavaScript code in n8n
40:56 Create an AI Agent node in n8n
45:52 Send content by Gmail with n8n
48:52 Exercise wrap-up: data processing basics recap
49:56 Set up your first Supply Chain AI workflow
54:39 Get 30+ free Supply Chain AI workflow templates (GitHub)
57:24 Conclusion
🧠 What you’ll learn
– How to start with n8n (free setup)
– Credentials: why they matter + how to configure them
– Gmail + Google Sheets integration (the essentials)
– Data processing fundamentals (filtering, editing, boolean fields, IF conditions)
– Calling APIs with n8n
– Writing JavaScript inside n8n for custom logic with the support of Claude
– Building an AI Agent node for automation use cases
– Shipping your first end-to-end Supply Chain workflow
If you want more workflows like this, check the GitHub templates and the playlist above 👆
Test your skills with the Supply Science App: https://supply-science.com
Learn workflow automation with n8n on my blog: https://www.samirsaci.com/n8n/
#n8n #WorkflowAutomation #SupplyChain #Logistics #AIAgents #Operations #Productivity #NoCode #Automation #GoogleSheets #Gmail #OpenAI
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