This workflow corresponds to n8n.io template #2931 — we link there as the canonical source.
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": {
"templateId": "2931",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "100f23d3-cbe9-458a-9ef1-7cc5fcba8f3c",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
640,
540
],
"parameters": {
"width": 300,
"height": 205,
"content": "### The conversation history(last 20 messages) is stored in a buffer memory"
},
"typeVersion": 1
},
{
"id": "b48f989f-deb9-479c-b163-03f098d00c9c",
"name": "On new manual Chat Message",
"type": "@n8n/n8n-nodes-langchain.manualChatTrigger",
"position": [
380,
240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "add8e8df-6b2a-4cbd-84e7-3b006733ef7d",
"name": "Wikipedia",
"type": "@n8n/n8n-nodes-langchain.toolWikipedia",
"position": [
1180,
640
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a97454a8-001d-4986-9cb5-83176229ea70",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
980,
540
],
"parameters": {
"width": 300,
"height": 205,
"content": "### Tools which agent can use to accomplish the task"
},
"typeVersion": 1
},
{
"id": "52b57e72-8cc9-4865-9a00-d03b2e7f1b92",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
600,
160
],
"parameters": {
"width": 422,
"height": 211,
"content": "### Conversational agent will utilise available tools to answer the prompt. "
},
"typeVersion": 1
},
{
"id": "8f0653ab-376b-40b9-b876-e608defdeb89",
"name": "Window Buffer Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
740,
600
],
"parameters": {
"contextWindowLength": 20
},
"typeVersion": 1
},
{
"id": "13237945-e143-4f65-b034-785f5ebde5bb",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
680,
240
],
"parameters": {
"text": "={{ $json.input }}",
"options": {
"systemMessage": "=You are a helpful assistant, with weather tool and wiki tool. find out the latitude and longitude information of a location then use the weather tool for current weather and weather forecast. For general info, use the wiki tool."
},
"promptType": "define"
},
"typeVersion": 1.6
},
{
"id": "ee06c0f4-b2de-4257-9735-3ec228f2b794",
"name": "Weather HTTP Request",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
1020,
620
],
"parameters": {
"url": "https://api.open-meteo.com/v1/forecast",
"sendQuery": true,
"parametersQuery": {
"values": [
{
"name": "latitude"
},
{
"name": "longitude"
},
{
"name": "forecast_days",
"value": "1",
"valueProvider": "fieldValue"
},
{
"name": "hourly",
"value": "temperature_2m",
"valueProvider": "fieldValue"
}
]
},
"toolDescription": "Fetch current temperature for given coordinates."
},
"notesInFlow": true,
"typeVersion": 1.1
},
{
"id": "3e5608c8-281d-47e0-af9d-77707530fd6b",
"name": "Ollama Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOllama",
"position": [
520,
620
],
"parameters": {
"model": "llama3.2:latest",
"options": {}
},
"credentials": {
"ollamaApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "b3d794f4-37b5-46c8-9d7d-ad1087006ce5",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
1040,
140
],
"parameters": {
"color": 4,
"height": 240,
"content": "### In System Message, add the following.\n\n\"You are a helpful assistant, with weather tool and wiki tool. find out the latitude and longitude information of a location then use the weather tool for current weather and weather forecast. For general info, use the wiki tool.\""
},
"typeVersion": 1
}
],
"connections": {
"Wikipedia": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Ollama Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Weather HTTP Request": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"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.
ollamaApi
About this workflow
Ai Agent With Ollama For Current Weather And Wiki. Uses stickyNote, manualChatTrigger, toolWikipedia, memoryBufferWindow. Chat trigger; 10 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →