Generate n8n workflows from chat using MCP tools, Claude and Postgres
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 6 nodes and runs when a chat message arrives. Along the way it connects MCP Client, OpenRouter Chat Model and Postgres Chat Memory.
How it runs
Trigger: When a chat message arrives.
- AI Agent: runs an AI agent, with model: OpenRouter Chat Model; 1 tool (MCP Client); memory: Postgres Chat Memory
- Respond To Chat (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)
- AI Agent
@n8n/n8n-nodes-langchain.agent - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - Postgres Chat Memory
@n8n/n8n-nodes-langchain.memoryPostgresChat - Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - Chat
@n8n/n8n-nodes-langchain.chat
From the author
Describe any automation in plain English. This AI agent builds, validates, and deploys a working n8n workflow into your instance in seconds — no node dragging, no JSON editing, no guesswork. 📺 Full setup guide:…