Production AI Playbook: Human Oversight (Exercise 2)
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 5 nodes and runs when a chat message arrives. Along the way it connects OpenRouter Chat Model and Chat Hitl.
How it runs
Trigger: When a chat message arrives.
- AI Agent: runs an AI agent, with model: OpenRouter Chat Model; 1 tool (Review: Send Contract)
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 (5)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - Chat Hitl Tool
@n8n/n8n-nodes-langchain.chatHitlTool - Code Tool
@n8n/n8n-nodes-langchain.toolCode
From the author
Gate high-risk AI actions behind human approval. This template shows how to prevent an AI agent from executing sensitive operations (like sending contracts) without a human signing off first. What you'll do - Ask the AI agent to send a contract to a customer.…