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": "3a3bcb2d-cb94-40d8-8b9e-322ea9d27f6e",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1000,
640
],
"parameters": {
"width": 300,
"height": 185,
"content": "### The conversation history(last 20 messages) is stored in a buffer memory"
},
"typeVersion": 1
},
{
"id": "e279af43-b003-4499-b221-58716e735379",
"name": "On new manual Chat Message",
"type": "@n8n/n8n-nodes-langchain.manualChatTrigger",
"position": [
740,
340
],
"parameters": {},
"typeVersion": 1
},
{
"id": "f4f8bf03-a43e-4a1f-a592-cd0f8408f552",
"name": "Chat OpenAI",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
840,
653
],
"parameters": {
"model": "gpt-4o-mini",
"options": {
"temperature": 0.3
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "66b60f68-bae8-4958-ac81-03883f563ab3",
"name": "Wikipedia",
"type": "@n8n/n8n-nodes-langchain.toolWikipedia",
"position": [
1480,
693
],
"parameters": {},
"typeVersion": 1
},
{
"id": "70f6b43b-9290-4fbc-992f-0895d4578c9f",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1340,
633
],
"parameters": {
"width": 300,
"height": 185,
"content": "### Tools which agent can use to accomplish the task"
},
"typeVersion": 1
},
{
"id": "8696269f-6556-41f1-bbe4-5597e4e46e02",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
960,
260
],
"parameters": {
"width": 422,
"height": 211,
"content": "### Conversational agent will utilise available tools to answer the prompt. "
},
"typeVersion": 1
},
{
"id": "6814967b-4567-4cdd-bf09-6b1b5ed0c68e",
"name": "Window Buffer Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1100,
700
],
"parameters": {
"contextWindowLength": 20
},
"typeVersion": 1
},
{
"id": "ce4358ac-c2cc-45ba-b950-247f8360b36c",
"name": "SerpAPI",
"type": "@n8n/n8n-nodes-langchain.toolSerpApi",
"position": [
1380,
693
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "de80add8-c37d-4d46-80ec-b43234e21150",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
1040,
340
],
"parameters": {
"text": "={{ $json.input }}",
"options": {},
"promptType": "define"
},
"typeVersion": 1.6
}
],
"connections": {
"SerpAPI": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Wikipedia": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Chat OpenAI": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Window Buffer Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"On new manual Chat Message": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
openAiApi
About this workflow
Ai Chatbot That Can Search The Web. Uses stickyNote, manualChatTrigger, lmChatOpenAi, toolWikipedia. Chat trigger; 9 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →