Gegenfeld This workflow corresponds to n8n.io template #6622 — 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 →
{
"nodes": [
{
"id": "76870e68-37c2-41f9-a07b-4f895cd49332",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-480,
448
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "a2012852-fe36-4aef-acf9-abe0ff59cab1",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-192,
448
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "9bac9112-c22f-42b3-b24b-df2eaaa2a452",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
160,
448
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "e91ab3aa-43e7-4799-a00b-877dc8e9d17d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-352,
-192
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "91c92861-211c-492e-883e-f43f4d9a2d3c",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-400,
288
],
"parameters": {},
"typeVersion": 1.2
},
{
"id": "c614dd51-269d-4349-9728-b19fb78b5f46",
"name": "Start Chat Conversation",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-448,
64
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "40661eb9-8802-4fd9-bd7e-0b07871c43e4",
"name": "Smart AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-192,
64
],
"parameters": {},
"typeVersion": 1.7
},
{
"id": "5a88768f-3249-4f8c-924b-c4d44d36012d",
"name": "Remember Chat History",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-80,
288
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "a34afd41-ff47-456b-be9e-ae98e8ddeddd",
"name": "MongoDB Database Lookup",
"type": "n8n-nodes-base.mongoDbTool",
"position": [
240,
288
],
"parameters": {},
"typeVersion": 1.2
}
],
"connections": {
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Smart AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Remember Chat History": {
"ai_memory": [
[
{
"node": "Smart AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"MongoDB Database Lookup": {
"ai_tool": [
[
{
"node": "Smart AI Agent",
"type": "ai_tool",
"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 MongoDB database as a knowledge base. The AI agent can automatically query your MongoDB collections to provide accurate, contextual responses based on your stored documents and data.
Source: https://n8n.io/workflows/6622/ — original creator credit. Request a take-down →
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