Auto-draft professional email replies with Gmail, AI, and Slack
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 10 nodes and runs on a schedule (every 30 minutes). Along the way it connects Gmail, OpenAI and Slack.
How it runs
Trigger: On a schedule (every 30 minutes).
- Search unreplied emails (Gmail): get many
- Check if new emails exist (If): checks a condition and branches into true / false
- Limit: keeps the first few items
- Gmail: get
- Extract email body for AI (Code): runs custom JavaScript code
- Mark email as AUTO_REPLIED (Gmail): add labels
- AI - Draft professional email reply (OpenAI): uses OpenAI
- Notify draft reply in Slack (Slack): uses Slack
- OPTIONAL – Auto-send reply (If): checks a condition and branches into true / false
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (7)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Limit
n8n-nodes-base.limit - Gmail
n8n-nodes-base.gmail - If
n8n-nodes-base.if - Code
n8n-nodes-base.code - OpenAI
@n8n/n8n-nodes-langchain.openAi - Slack
n8n-nodes-base.slack
From the author
What this workflow does This workflow monitors your Gmail inbox for new, unreplied emails and automatically generates a professional reply draft using AI. Instead of sending the email automatically, the draft is sent to Slack so a human can review and decide…