This workflow follows the Form Trigger → Gmail 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 →
{
"name": "Business Ideas AI Agent",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{}
]
}
},
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-60,
160
],
"id": "91571cfc-1be4-490e-83a8-7572bba24ff2",
"name": "Schedule Trigger"
},
{
"parameters": {
"operation": "getAll",
"subreddit": "startups",
"limit": 20,
"filters": {
"category": "hot"
}
},
"type": "n8n-nodes-base.reddit",
"typeVersion": 1,
"position": [
220,
-200
],
"id": "a50fc337-cbd1-4cf4-b202-c119aaed8ffb",
"name": "Get many posts",
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "getAll",
"subreddit": "artificial",
"limit": 20,
"filters": {
"category": "hot"
}
},
"type": "n8n-nodes-base.reddit",
"typeVersion": 1,
"position": [
220,
-20
],
"id": "df039395-a59a-4d44-93d9-2a8fdcd892cf",
"name": "Get many posts1",
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "getAll",
"subreddit": "SideProject",
"limit": 20,
"filters": {
"category": "hot"
}
},
"type": "n8n-nodes-base.reddit",
"typeVersion": 1,
"position": [
220,
300
],
"id": "573031c5-3778-48d6-92f6-bb1c51c92131",
"name": "Get many posts2",
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "getAll",
"subreddit": "SaaS",
"limit": 20,
"filters": {
"category": "hot"
}
},
"type": "n8n-nodes-base.reddit",
"typeVersion": 1,
"position": [
220,
480
],
"id": "fb441d67-2985-4791-8770-9e58ad2ae4a5",
"name": "Get many posts3",
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "7cd875da-5565-455a-bee2-c2fce2bddd52",
"name": "selftext",
"value": "={{ $json.selftext }}",
"type": "string"
},
{
"id": "4febea14-56d3-4dd2-a2e4-2e01e9c8ab71",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
440,
-200
],
"id": "5c5440c9-e484-477d-973a-37e2725f71c8",
"name": "Edit Fields"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "7cd875da-5565-455a-bee2-c2fce2bddd52",
"name": "selftext",
"value": "={{ $json.selftext }}",
"type": "string"
},
{
"id": "4febea14-56d3-4dd2-a2e4-2e01e9c8ab71",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
440,
-20
],
"id": "98bed336-0a88-447f-92d5-d25d94ff1800",
"name": "Edit Fields1"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "7cd875da-5565-455a-bee2-c2fce2bddd52",
"name": "selftext",
"value": "={{ $json.selftext }}",
"type": "string"
},
{
"id": "4febea14-56d3-4dd2-a2e4-2e01e9c8ab71",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
440,
300
],
"id": "1da25765-878f-49f4-b9d8-886c5640270f",
"name": "Edit Fields2"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "7cd875da-5565-455a-bee2-c2fce2bddd52",
"name": "selftext",
"value": "={{ $json.selftext }}",
"type": "string"
},
{
"id": "4febea14-56d3-4dd2-a2e4-2e01e9c8ab71",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
440,
480
],
"id": "290b11c7-b2c1-4ba3-bd20-7e0277474ed4",
"name": "Edit Fields3"
},
{
"parameters": {
"numberInputs": 4
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
840,
120
],
"id": "07f16c28-d3a9-4e8a-9473-9025cc7f7a2f",
"name": "Merge"
},
{
"parameters": {
"aggregate": "aggregateAllItemData",
"options": {}
},
"type": "n8n-nodes-base.aggregate",
"typeVersion": 1,
"position": [
1040,
140
],
"id": "d7ae7472-103d-4b21-9c4b-79c8e4cc3fcd",
"name": "Aggregate"
},
{
"parameters": {
"fieldToSplitOut": "message.content.ideas",
"options": {}
},
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
1580,
140
],
"id": "78b93def-8e5d-4d73-9223-f40f3011aab3",
"name": "Split Out"
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "gpt-4.1-mini",
"mode": "list",
"cachedResultName": "GPT-4.1-MINI"
},
"messages": {
"values": [
{
"content": "=** Purpose **\nYou are a Startup Idea Extractor.\n\n\n** You will receive an array of Reddit posts, each with these fields:\n\n- title\n- selftext (the body)\n\nYour job is to identify all concrete business or startup ideas mentioned. If the author says the idea worked for them, extract that success detail.\n\n** For each post with at least one idea, output an object with:\n\n- startupIdea: one-sentence summary of the idea\n- success: true if the author says it succeeded (e.g. \u201cI made $10k\u201d, \u201cit grew to 100 users\u201d), otherwise false\n- successDetails: the exact phrase or metric if success=true, otherwise null\n- goodIdea: whether you think it\u2019s a good idea or not, based on your knowledge of market saturation, viability, and size\n- pros: one sentence describing possible benefits\n- cons: one sentence describing possible limitations\n\nWrap all objects in a top-level JSON array called \u201cideas.\u201d\n\nOutput only valid JSON\u2014no explanations or extra text.\n\nUse the input data from: {{ JSON.stringify ($json.data) }}."
}
]
},
"jsonOutput": true,
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.8,
"position": [
1240,
140
],
"id": "1cb036ec-4709-43d8-9d8e-667cce76c2a8",
"name": "Message a model",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "1B5g-mpXhqHy4negDMz6f2R7OqydLnjIlpQOTEfsDb80",
"mode": "list",
"cachedResultName": "Startup Ideas",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1B5g-mpXhqHy4negDMz6f2R7OqydLnjIlpQOTEfsDb80/edit?usp=drivesdk"
},
"sheetName": {
"__rl": true,
"value": "gid=0",
"mode": "list",
"cachedResultName": "Sheet1",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1B5g-mpXhqHy4negDMz6f2R7OqydLnjIlpQOTEfsDb80/edit#gid=0"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"Startup Idea": "={{ $json.startupIdea }}",
"Success or not?": "={{ $json.success }}",
" Details": "={{ $json.successDetails }}",
"Is it a Good Idea?": "={{ $json.goodIdea }}",
"Pros": "={{ $json.pros }}",
"Cons": "={{ $json.cons }}"
},
"matchingColumns": [],
"schema": [
{
"id": "Startup Idea",
"displayName": "Startup Idea",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Success or not?",
"displayName": "Success or not?",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": " Details",
"displayName": " Details",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Is it a Good Idea?",
"displayName": "Is it a Good Idea?",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Pros",
"displayName": "Pros",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
},
{
"id": "Cons",
"displayName": "Cons",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.6,
"position": [
1780,
140
],
"id": "9051f784-adaa-4b2e-8492-c0d91415f0cd",
"name": "Append row in sheet",
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"formTitle": "Generating Business Ideas",
"formDescription": "Select a subreddit to focus on.",
"formFields": {
"values": [
{
"fieldLabel": "Subreddit",
"placeholder": "homeowner",
"requiredField": true
},
{
"fieldLabel": "keywords",
"placeholder": "issues",
"requiredField": true
}
]
},
"options": {}
},
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2.2,
"position": [
-60,
1060
],
"id": "36b54261-bef2-4f0f-9041-8504acba4071",
"name": "On form submission"
},
{
"parameters": {
"operation": "search",
"subreddit": "={{ $json.Subreddit }}",
"keyword": "={{ $json.keywords }}",
"additionalFields": {}
},
"type": "n8n-nodes-base.reddit",
"typeVersion": 1,
"position": [
220,
1060
],
"id": "2e804f64-b02e-4e06-807d-fae16ca4e7ce",
"name": "Search for a post",
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "667b03f8-6e67-431c-8d38-6cf2f688de5d",
"name": "selftext",
"value": "={{ $json.selftext }}",
"type": "string"
},
{
"id": "ec9697a4-5bd4-43cc-9e92-eb04a88c13c4",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
440,
1060
],
"id": "b5f9d02f-2379-4fc4-95a7-a1831f4e3128",
"name": "Edit Fields4"
},
{
"parameters": {
"aggregate": "aggregateAllItemData",
"options": {}
},
"type": "n8n-nodes-base.aggregate",
"typeVersion": 1,
"position": [
660,
1060
],
"id": "459dd02f-1ab2-4321-b41f-812de39d76c3",
"name": "Aggregate1"
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "gpt-4.1-mini",
"mode": "list",
"cachedResultName": "GPT-4.1-MINI"
},
"messages": {
"values": [
{
"content": "=You are an expert at generating innovative business ideas. You will receive a batch of Reddit posts pulled from:\nr/{{ $('On form submission').item.json.Subreddit }}\nThese posts match the search: \u201c{{ $('On form submission').item.json.keywords }}\u201d.\nEach post includes a title and a selftext.\n\n** Your job is as follows:\n\n1. Analyze the content of these posts and identify up to 5 clear and distinct pain points shared by users.\n2. For every pain point, generate 1 to 2 strong business ideas that directly address the issue.\n3. Write an email summarizing the problems and proposed solutions.\n\n\nOnly return a properly formatted JSON object with the structure below:\n\n- emailSubject: A subject line like \u201cBusiness ideas for r/{{ $('On form submission').item.json.Subreddit }}\u201d\n- emailBody: A clear, friendly email that:\n\n - Summarizes each identified pain point\n - Presents matching business ideas beneath each point\n - Ends with a prompt for next steps or feedback\n\n\nThe email body must be in HTML format with appropriate line breaks, bolding, and bullet points where needed.\n\nDo not output anything other than the valid JSON object.\n\nAlways introduce yourself as an AI Researcher."
}
]
},
"jsonOutput": true,
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.8,
"position": [
900,
1060
],
"id": "45accdf3-8ed5-415e-8503-663aa89c7dd5",
"name": "Message a model1",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "krystian7431@gmail.com",
"subject": "Ideas Summarizon",
"message": "={{ $json.message.content.emailBody }}",
"options": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1280,
1060
],
"id": "821c6f48-289c-441b-8278-a0acf89e40b2",
"name": "Send a message",
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "# Search Business Ideas (Multiple Subreddits)",
"height": 1120,
"width": 2260
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-220,
-360
],
"id": "edf8386d-e063-43f9-b79f-12aa3f7d6ce0",
"name": "Sticky Note"
},
{
"parameters": {
"content": "# Get Business Ideas (One Niche)",
"height": 640,
"width": 2260,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-220,
780
],
"id": "4df75e8e-363a-4e4d-a86f-2ade5e8a6e47",
"name": "Sticky Note1"
}
],
"connections": {
"Schedule Trigger": {
"main": [
[
{
"node": "Get many posts",
"type": "main",
"index": 0
},
{
"node": "Get many posts1",
"type": "main",
"index": 0
},
{
"node": "Get many posts2",
"type": "main",
"index": 0
},
{
"node": "Get many posts3",
"type": "main",
"index": 0
}
]
]
},
"Get many posts": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Get many posts3": {
"main": [
[
{
"node": "Edit Fields3",
"type": "main",
"index": 0
}
]
]
},
"Get many posts2": {
"main": [
[
{
"node": "Edit Fields2",
"type": "main",
"index": 0
}
]
]
},
"Get many posts1": {
"main": [
[
{
"node": "Edit Fields1",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields1": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"Edit Fields2": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 2
}
]
]
},
"Edit Fields3": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 3
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "Message a model",
"type": "main",
"index": 0
}
]
]
},
"Message a model": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Append row in sheet",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "Search for a post",
"type": "main",
"index": 0
}
]
]
},
"Search for a post": {
"main": [
[
{
"node": "Edit Fields4",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields4": {
"main": [
[
{
"node": "Aggregate1",
"type": "main",
"index": 0
}
]
]
},
"Aggregate1": {
"main": [
[
{
"node": "Message a model1",
"type": "main",
"index": 0
}
]
]
},
"Message a model1": {
"main": [
[
{
"node": "Send a message",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "93eae973-0221-4ac2-9f18-cf554ebf73b1",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "VHIdhL5zEVJge8Wg",
"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.
gmailOAuth2googleSheetsOAuth2ApiopenAiApiredditOAuth2Api
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
How this works
Discover fresh business ideas effortlessly by tapping into Reddit's vibrant discussions, where this workflow scans popular subreddits for emerging trends and user pain points, then leverages OpenAI to analyse them and generate actionable concepts. It's perfect for entrepreneurs, startup founders, or marketers seeking inspiration without endless manual browsing, saving hours of research time. The key step involves aggregating Reddit posts, processing them through AI for insightful summaries, and logging the results directly into Google Sheets for easy review and sharing.
Use this workflow when you need regular, automated updates on business opportunities from online communities, such as weekly idea generation for brainstorming sessions. Avoid it for real-time alerts or highly customised analyses requiring immediate human input, as it's designed for scheduled batches. Common variations include targeting specific subreddits like r/Entrepreneur or integrating Gmail notifications for new ideas exceeding a relevance threshold.
About this workflow
Business Ideas AI Agent. Uses reddit, openAi, googleSheets, formTrigger. Scheduled trigger; 22 nodes.
Source: https://github.com/Khuzaima-AI-2112/n8n-automation-templates/blob/master/01_Bussiness-&-Support/11_Business-ideas-generator-ai-agent/Business+Ideas+AI+Agent.json — original creator credit. Request a take-down →
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