Production AI Playbook: Human Oversight (Exercise 1)
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 8 nodes and runs when a chat message arrives. Along the way it connects OpenRouter Chat Model and Gmail.
How it runs
Trigger: When a chat message arrives.
- AI Agent: runs an AI agent, with model: OpenRouter Chat Model
- Human Approval (Chat): send and wait for a reply
- If: checks a condition and branches into true / false
- Gmail: uses Gmail
- Rejected Response (Chat): uses Chat
- Approved Response (Chat): uses Chat
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 (6)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - If
n8n-nodes-base.if - Gmail
n8n-nodes-base.gmail - Chat
@n8n/n8n-nodes-langchain.chat
From the author
Review AI-drafted customer responses before they go out. This template sets up a chat-based approval flow where an AI agent drafts a reply and a human reviewer approves or rejects it, all within the n8n chat interface. What you'll do - Send a customer support…