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AI Gmail support automation with Google Gemini, OpenAI & Pinecone

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Created by: Muhammad Ali || ali01
Muhammad Ali

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Last update 6 months ago

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💬 AI Gmail Support Automation with Google Gemini, OpenAI & Pinecone

🚀 How it Works

This workflow turns your Gmail inbox into an AI-powered customer support assistant using Google Gemini, OpenAI embeddings, and Pinecone vector search.
It automatically classifies incoming emails, retrieves context-based answers from your knowledge base, and replies instantly saving your support team valuable time.

🔁 Workflow Overview

  • Gmail Trigger → Detects new incoming customer emails.
  • Intent Classifier → Identifies if the email is a support query or something else.
  • Vector Store (Pinecone) → Retrieves the most relevant information.
  • Email Support Agent (Gemini) → Generates a clear, human-like response.
  • Gmail Node → Sends the AI-generated reply automatically.
  • Slack Notification → Updates your team about the response.
  • Label Query → Adds Gmail labels for tracking and organization.

This automation provides 24/7 AI-based email support, faster customer responses, and zero manual data lookup — ideal for busy teams handling repetitive queries.

👥 Who It’s For

  • SaaS companies managing frequent customer support requests
  • Startups and agencies looking to automate inbox replies
  • Customer success teams aiming to improve response time
  • Freelancers or small businesses who want smart, auto-handled Gmail support

⚙️ Set Up Steps

Estimated setup time: 10–15 minutes

  1. Connect your Gmail and Slack accounts to n8n.
  2. Add your API keys:
    • Google Gemini API key
    • OpenAI API key
  3. Link your Pinecone Vector Database (or create a new one).
  4. Customize the system message in the “Email Support Agent” node to match your tone or brand style.
  5. Send test emails to ensure the automation responds correctly and labels messages as intended.
  6. Check Slack notifications to confirm your team gets updates on replies.

💡 Detailed setup notes are included in the sticky notes inside the workflow.

🧩 Integrations Used

  • Gmail API
  • Google Gemini LLM
  • OpenAI Embeddings
  • Pinecone Vector Database
  • Slack API

💡 Key Benefits

  • Provides instant AI-based email replies 24/7
  • Reduces manual workload for support teams
  • Maintains consistent and accurate tone using your knowledge base
  • Keeps your inbox organized with automatic labels and team alerts
  • Ideal for scaling customer support without hiring more agents