n8n · Case study

n8n Gmail RAG Customer Support Agent

Real-time Gmail monitoring with RAG-backed replies, labelling, and human escalation for low-confidence cases.

Walkthrough

Video · 1/4

Project screens

What this project solved

The problem

Support teams were buried in repetitive email; customers saw delays and inconsistent answers.

What we built

n8n classifies each message, retrieves verified answers, generates natural replies, labels threads, and escalates sensitive cases with summaries.

Result

~90% of support emails handled automatically; 96.8% successful processing; 99.7% workflow uptime.

n8nGmailRAGGeminiVector DB