This workflow follows the Agent → OpenAI Chat 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 →
{
"createdAt": "2024-03-04T20:33:51.500Z",
"updatedAt": "2024-03-13T13:41:47.000Z",
"id": "241",
"name": "Agent:OpenAiFunctions",
"active": false,
"nodes": [
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "a2807ad9-7402-47a8-baf8-3ba8feea2494",
"name": "calculator_called",
"value": "={{ $json.intermediateSteps.filter(a => a.action.tool === 'calculator').length >= 1 }}",
"type": "boolean"
},
{
"id": "29ca8b14-ce95-4497-85eb-687db33ecd06",
"name": "has_correct_output",
"value": "={{ $json.output.includes('100052') }}",
"type": "string"
}
]
},
"options": {}
},
"id": "19c7f30c-1234-4dac-8635-59f3101a9dd5",
"name": "Edit Fields",
"type": "n8n-nodes-base.set",
"typeVersion": 3.3,
"position": [
1240,
760
]
},
{
"parameters": {
"options": {
"temperature": 0
}
},
"id": "704163e9-dee9-4d4f-97b8-9681b050af21",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
920,
900
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"notes": "IGNORED_PROPERTIES=messages"
},
{
"parameters": {},
"id": "44f670cc-c4e9-44fc-8870-18955f727be1",
"name": "Calculator",
"type": "@n8n/n8n-nodes-langchain.toolCalculator",
"typeVersion": 1,
"position": [
1080,
920
]
},
{
"parameters": {},
"id": "f036de64-49fa-4854-89b7-2679f6e3cf59",
"name": "When clicking \"Test workflow\"",
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
700,
760
]
},
{
"parameters": {
"agent": "openAiFunctionsAgent",
"promptType": "define",
"text": "What is the result of 30 + (10002200 / 100)? Only respond with a number.",
"options": {
"returnIntermediateSteps": true
}
},
"id": "f0129970-11c7-45c6-9665-28498c9c87dd",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
900,
760
]
}
],
"connections": {
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Calculator": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"When clicking \"Test workflow\"": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"meta": {
"templateCredsSetupCompleted": true
},
"versionId": "92205881-151a-4e66-acd1-31f2d4e3a58c",
"triggerCount": 0,
"tags": []
}
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
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About this workflow
Agent:OpenAiFunctions. Uses lmChatOpenAi, toolCalculator, agent. Event-driven trigger; 5 nodes.
Source: https://github.com/n8n-io/test-workflows/blob/c1d376431a818f81f44e9ce645b8fb4878805419/workflows/241.json — original creator credit. Request a take-down →
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