Automated Gmail Classification and Labeling with GPT-4, Sheets and Slack Alerts

This n8n template automates email labeling using AI-enhanced classification and intelligent routing

Gmail users report spending significant time manually sorting email, so this tool helps alleviate that burden.

How it works Gmail Trigger monitors unread emails every 2 minutes Once an email arrives, the content is extracted with HTML cleaning AI Agent (the node is set for Chat GPT-4) is used for classification & entity extraction A Structured Output Parser parses the email to JSON A 9-way category routing system categorizes the email (Inquiry, Support, Newsletter, Marketing, Personal, Urgent, Spam, Invoice, Meeting) Gmail auto-labeling is used for each category Google Sheets is used for logging (the main log that includes all emails and  an error log which are emails that cannot be classified) Slack alerts are generated for high-priority/urgent emails Error handling is done with separate error logging in Google Sheets

How to use Set up credentials for Google Gmail, LLM (ChatGPT, Gemini, etc.), Google Sheets, and Slack Modify the categories as needed per user preference

Requirements Gmail  Any LLM like ChatGPT or Google Gemini Google Drive with Google Sheets is optional for logging and error handling Slack is optional for high-priority messages