Jesse White This workflow corresponds to n8n.io template #3824 — we link there as the canonical source.
This workflow follows the Chainllm → Form 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 →
{
"id": "foXkX0nL4cnf9Dgv",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Reddit MVP Generator",
"tags": [],
"nodes": [
{
"id": "0813d9ee-14c9-465c-acc1-bafbcdd0104f",
"name": "Get Comments",
"type": "n8n-nodes-base.reddit",
"onError": "continueRegularOutput",
"position": [
2380,
180
],
"parameters": {},
"typeVersion": 1
},
{
"id": "b9757d02-fb18-4d19-84f5-adc091e8a5b9",
"name": "Get Trending Posts",
"type": "n8n-nodes-base.reddit",
"position": [
200,
0
],
"parameters": {},
"typeVersion": 1
},
{
"id": "ec8d0d50-b97c-4c9d-b6ce-f07c718b1c03",
"name": "OpenRouter Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
2900,
0
],
"parameters": {},
"typeVersion": 1
},
{
"id": "71db22d1-a79c-4839-8021-050ed8312ed7",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
3080,
0
],
"parameters": {},
"typeVersion": 1.2
},
{
"id": "56926b20-7230-4432-8b48-eeda0e72b1da",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-260,
-420
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "c3a49153-fc12-4944-bec4-c28e749e53bd",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-140,
-360
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "6f9d0411-c3c9-4623-a7ea-24a87d606cf7",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-240,
300
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "51ed2c56-e284-45e8-964c-1663c5441a52",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
2860,
-400
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "7ea6f9bc-de1e-45af-a03c-79095651d2ef",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
480,
400
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "3ebd096e-a4f0-417e-b3a0-c07e5159e0d6",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1000,
240
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "7cf929ea-9556-463d-96b1-73a75de2f2fa",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1560,
260
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "6ea4818f-20e5-4e42-ad51-a1202dd3a1e2",
"name": "Select a subreddit",
"type": "n8n-nodes-base.formTrigger",
"position": [
-60,
-80
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "6139c954-fde8-4f0a-8c43-a23fa88a0861",
"name": "Get used reddit post slugs",
"type": "n8n-nodes-base.microsoftExcel",
"position": [
200,
-180
],
"parameters": {},
"typeVersion": 2.1
},
{
"id": "5c643a23-9dad-41c7-8776-05dd30a8a8d6",
"name": "Flatten list of slugs",
"type": "n8n-nodes-base.aggregate",
"position": [
380,
-180
],
"parameters": {},
"typeVersion": 1
},
{
"id": "39de2a72-83d3-4dbb-b0b9-431c69a7db84",
"name": "Extract subreddits and post ids",
"type": "n8n-nodes-base.aggregate",
"position": [
540,
-20
],
"parameters": {},
"typeVersion": 1
},
{
"id": "aebb3f0c-9de7-4f29-a93c-80f57cc36565",
"name": "Create post slugs",
"type": "n8n-nodes-base.code",
"position": [
700,
-20
],
"parameters": {},
"typeVersion": 2
},
{
"id": "3b393c95-1e76-483f-b33c-f60fdf6c3669",
"name": "Create list of posts",
"type": "n8n-nodes-base.code",
"position": [
540,
160
],
"parameters": {},
"typeVersion": 2
},
{
"id": "0f0c6da7-d3b6-4bfa-988e-e9c39bb19a0b",
"name": "Merge used post slugs with new post slugs",
"type": "n8n-nodes-base.merge",
"position": [
920,
-100
],
"parameters": {},
"typeVersion": 3.1
},
{
"id": "f008a3d0-3c5d-4f16-8109-7159b893e657",
"name": "Create list of all post slugs",
"type": "n8n-nodes-base.code",
"position": [
1120,
-100
],
"parameters": {},
"typeVersion": 2
},
{
"id": "e52b5054-a82a-4e2b-badc-3439b6f66acd",
"name": "Remove duplicate post slugs",
"type": "n8n-nodes-base.removeDuplicates",
"position": [
1320,
-100
],
"parameters": {},
"typeVersion": 2
},
{
"id": "9cccdb2c-dedc-4570-b034-4164b68d552d",
"name": "Split out post slugs",
"type": "n8n-nodes-base.splitOut",
"position": [
1540,
-220
],
"parameters": {},
"typeVersion": 1
},
{
"id": "04aa906d-9e48-49ac-b0c6-9cc1bbe19847",
"name": "Update \"Used Posts\" with new post slugs",
"type": "n8n-nodes-base.microsoftExcel",
"position": [
1740,
-300
],
"parameters": {},
"typeVersion": 2.1
},
{
"id": "b0e6cc83-668b-4bc1-ab69-93d8ac345fd0",
"name": "Merge new post slugs with post data",
"type": "n8n-nodes-base.merge",
"position": [
1740,
0
],
"parameters": {},
"typeVersion": 3.1
},
{
"id": "b1b87f42-4a54-44cb-a6a8-1a30243091b5",
"name": "Filter out used posts",
"type": "n8n-nodes-base.code",
"position": [
1920,
0
],
"parameters": {},
"typeVersion": 2
},
{
"id": "151d215e-b248-46dd-a2c2-24c571de04f3",
"name": "Loop over posts",
"type": "n8n-nodes-base.splitInBatches",
"position": [
2200,
40
],
"parameters": {},
"typeVersion": 3
},
{
"id": "67446536-24a2-4abe-8923-2e2b50efa9f0",
"name": "Merge post with comments",
"type": "n8n-nodes-base.merge",
"position": [
2580,
100
],
"parameters": {},
"typeVersion": 3.1
},
{
"id": "2ffdcc91-181c-45e6-93ae-fe1adbff9381",
"name": "Flatten post and comments",
"type": "n8n-nodes-base.code",
"position": [
2780,
180
],
"parameters": {},
"typeVersion": 2
},
{
"id": "9cddc6a5-611d-4c0f-8ae6-86caf11da0e8",
"name": "AI powered MVP Generator",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
2900,
-200
],
"parameters": {},
"typeVersion": 1.6
},
{
"id": "53959e6e-6d9d-42ff-a4e9-f9b561e9de16",
"name": "Split llm output prep for spreadsheet",
"type": "n8n-nodes-base.splitOut",
"position": [
3220,
-200
],
"parameters": {},
"typeVersion": 1
},
{
"id": "04a2e780-bd9a-4b11-97f1-9db07d12ac7f",
"name": "Append new row to Excel sheet",
"type": "n8n-nodes-base.microsoftExcel",
"position": [
3400,
-200
],
"parameters": {},
"typeVersion": 2.1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "e59e387e-3ca8-4536-ba82-d33e2621addc",
"connections": {
"Get Comments": {
"main": [
[
{
"node": "Merge post with comments",
"type": "main",
"index": 1
}
]
]
},
"Loop over posts": {
"main": [
[
{
"node": "AI powered MVP Generator",
"type": "main",
"index": 0
}
],
[
{
"node": "Get Comments",
"type": "main",
"index": 0
},
{
"node": "Merge post with comments",
"type": "main",
"index": 0
}
]
]
},
"Create post slugs": {
"main": [
[
{
"node": "Merge used post slugs with new post slugs",
"type": "main",
"index": 1
}
]
]
},
"Get Trending Posts": {
"main": [
[
{
"node": "Extract subreddits and post ids",
"type": "main",
"index": 0
},
{
"node": "Create list of posts",
"type": "main",
"index": 0
}
]
]
},
"Select a subreddit": {
"main": [
[
{
"node": "Get used reddit post slugs",
"type": "main",
"index": 0
},
{
"node": "Get Trending Posts",
"type": "main",
"index": 0
}
]
]
},
"Create list of posts": {
"main": [
[
{
"node": "Merge new post slugs with post data",
"type": "main",
"index": 1
}
]
]
},
"Split out post slugs": {
"main": [
[
{
"node": "Update \"Used Posts\" with new post slugs",
"type": "main",
"index": 0
}
]
]
},
"Filter out used posts": {
"main": [
[
{
"node": "Loop over posts",
"type": "main",
"index": 0
}
]
]
},
"Flatten list of slugs": {
"main": [
[
{
"node": "Merge used post slugs with new post slugs",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model": {
"ai_languageModel": [
[
{
"node": "AI powered MVP Generator",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"AI powered MVP Generator": {
"main": [
[
{
"node": "Split llm output prep for spreadsheet",
"type": "main",
"index": 0
}
]
]
},
"Merge post with comments": {
"main": [
[
{
"node": "Flatten post and comments",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "AI powered MVP Generator",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Flatten post and comments": {
"main": [
[
{
"node": "Loop over posts",
"type": "main",
"index": 0
}
]
]
},
"Get used reddit post slugs": {
"main": [
[
{
"node": "Flatten list of slugs",
"type": "main",
"index": 0
}
]
]
},
"Remove duplicate post slugs": {
"main": [
[
{
"node": "Merge new post slugs with post data",
"type": "main",
"index": 0
},
{
"node": "Split out post slugs",
"type": "main",
"index": 0
}
]
]
},
"Create list of all post slugs": {
"main": [
[
{
"node": "Remove duplicate post slugs",
"type": "main",
"index": 0
}
]
]
},
"Extract subreddits and post ids": {
"main": [
[
{
"node": "Create post slugs",
"type": "main",
"index": 0
}
]
]
},
"Merge new post slugs with post data": {
"main": [
[
{
"node": "Filter out used posts",
"type": "main",
"index": 0
}
]
]
},
"Split llm output prep for spreadsheet": {
"main": [
[
{
"node": "Append new row to Excel sheet",
"type": "main",
"index": 0
}
]
]
},
"Merge used post slugs with new post slugs": {
"main": [
[
{
"node": "Create list of all post slugs",
"type": "main",
"index": 0
}
]
]
}
}
}
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
🧠 Reddit MVP Generator – Auto-Generate Startup Ideas from Real User Pain Points The Reddit MVP Generator is a fully automated business idea mining system built in n8n. It scans trending posts and user comments on Reddit to identify real-world pain points and uses an AI-powered…
Source: https://n8n.io/workflows/3824/ — original creator credit. Request a take-down →
Related workflows
Workflows that share integrations, category, or trigger type with this one. All free to copy and import.
Earlier this year, as I got more involved with n8n, I committed to helping users on our community forums and the n8n subreddit. The volume of questions was growing, and I found it was a real challenge
Output Parser Structured, HTTP Request, Text Classifier +4
What It Does
Perplexity, YouTube, HTTP Request +7
video to shorts Automation. Uses httpRequest, formTrigger, lmChatGoogleGemini, outputParserAutofixing. Event-driven trigger; 34 nodes.
HTTP Request, Form Trigger, Google Gemini Chat +3
This workflow is for content creators, marketers, agencies, coaches, and businesses who want to maximize their YouTube content ROI by automatically generating multiple content assets from single video
Output Parser Structured, Chain Llm, OpenRouter Chat +2
Manual Googlesheets. Uses manualTrigger, chainSummarization, googleSheets, reddit. Event-driven trigger; 17 nodes.
Chain Summarization, Google Sheets, Reddit +2