Gegenfeld This workflow corresponds to n8n.io template #6604 — we link there as the canonical source.
This workflow follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
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"name": "Sticky Note1",
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{
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{
"id": "f97b26e5-704c-48b1-9555-ac4269e663a1",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
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"parameters": {},
"typeVersion": 1.2
},
{
"id": "53eabcc1-995e-4c43-8431-cc7b008006e1",
"name": "Start Chat Conversation",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
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],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "4c6e4420-ba39-421a-a946-4722e0be7fe3",
"name": "Smart AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
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"parameters": {},
"typeVersion": 1.7
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{
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"name": "Remember Chat History",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
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"parameters": {},
"typeVersion": 1.3
},
{
"id": "39af080d-d85f-48b9-831b-d0ead3079fdc",
"name": "Supabase Database",
"type": "n8n-nodes-base.supabaseTool",
"position": [
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"parameters": {},
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],
"connections": {
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Smart AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Supabase Database": {
"ai_tool": [
[
{
"node": "Smart AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Remember Chat History": {
"ai_memory": [
[
{
"node": "Smart AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Start Chat Conversation": {
"main": [
[
{
"node": "Smart AI Agent",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
This workflow creates an intelligent chatbot that uses your Supabase database as a knowledge base. The AI agent can automatically query your Supabase tables to provide accurate, contextual responses based on your stored data.
Source: https://n8n.io/workflows/6604/ — original creator credit. Request a take-down →
Related workflows
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This workflow is a modification of the previous template on how to create an SQL agent with LangChain and SQLite.