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": [
{
"id": "1116cae7-c7f3-424d-8b87-06ecbac0539f",
"name": "When clicking \"Execute Workflow\"",
"type": "n8n-nodes-base.manualTrigger",
"position": [
1040,
-260
],
"parameters": {},
"typeVersion": 1
},
{
"id": "c01d02c0-a41b-445e-b006-8b46ad1c437d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
2000,
260
],
"parameters": {
"height": 264.69900963477494,
"content": "### Parser which defines the output format and which gets used to validate the output"
},
"typeVersion": 1
},
{
"id": "97f977e2-eb78-4ad9-ab21-816ff94c8f0c",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1600,
260
],
"parameters": {
"height": 266.9506012398238,
"content": "### The LLM which gets used to try to autofix the output in case it was not valid"
},
"typeVersion": 1
},
{
"id": "5325a0d4-9422-445c-bd21-3290c2b14415",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1320,
-40
],
"parameters": {
"height": 245.56048099185898,
"content": "### The LLM to process the original prompt"
},
"typeVersion": 1
},
{
"id": "55e78fdb-1e08-4f13-be0d-7e476aced21b",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1740,
-40
],
"parameters": {
"width": 348,
"height": 253,
"content": "### Autofixing parser which tries to fix invalid outputs with the help of an LLM"
},
"typeVersion": 1
},
{
"id": "622183c2-9d57-4e1c-a7bd-c5320ef42668",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1480,
-260
],
"parameters": {
"hasOutputParser": true
},
"typeVersion": 1.5
},
{
"id": "314739fe-0ab3-40a1-b192-6e09b548b92f",
"name": "Prompt",
"type": "n8n-nodes-base.set",
"position": [
1260,
-260
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "6f09dac7-429c-4e8f-af32-8e0112efc8c2",
"name": "chatInput",
"type": "string",
"value": "Return the 5 largest states by area in the USA with their 3 largest cities and their population."
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e76f5ac7-e185-46d4-aa26-971c8fe03c76",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1400,
60
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "5306e68a-cce0-4298-a50a-33727e2186c5",
"name": "Auto-fixing Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserAutofixing",
"position": [
1800,
80
],
"parameters": {
"options": {
"prompt": "Instructions:\n--------------\n{instructions}\n--------------\nCompletion:\n--------------\n{completion}\n--------------\n\nAbove, the Completion did not satisfy the constraints given in the Instructions.\nError:\n--------------\n{error}\n--------------\n\nPlease try again. Please only respond with an answer that satisfies the constraints laid out in the Instructions:"
}
},
"typeVersion": 1
},
{
"id": "d5642767-69f6-4a09-92da-195a25a17dd1",
"name": "OpenAI Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1680,
400
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "dc708b80-8d48-40cb-9af3-692ddd566b9f",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
2080,
380
],
"parameters": {
"schemaType": "manual",
"inputSchema": "{\n \"type\": \"object\",\n \"properties\": {\n \"state\": {\n \"type\": \"string\"\n },\n \"cities\": {\n \"type\": \"array\",\n \"items\": {\n \"type\": \"object\",\n \"properties\": {\n \"name\": \"string\",\n \"population\": \"number\"\n }\n }\n }\n }\n}"
},
"typeVersion": 1.2
}
],
"connections": {
"Prompt": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenAI Chat Model1": {
"ai_languageModel": [
[
{
"node": "Auto-fixing Output Parser",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "Auto-fixing Output Parser",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Auto-fixing Output Parser": {
"ai_outputParser": [
[
{
"node": "Basic LLM Chain",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"When clicking \"Execute Workflow\"": {
"main": [
[
{
"node": "Prompt",
"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
Manual Stickynote. Uses manualTrigger, stickyNote, chainLlm, lmChatOpenAi. Event-driven trigger; 11 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →