This workflow follows the Agent → Chainsummarization 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": "Reddit Small Business Researcher",
"nodes": [
{
"parameters": {
"operation": "search",
"subreddit": "smallbusiness",
"keyword": "={{ $('Edit Fields').first().json.query }}",
"limit": 10,
"additionalFields": {
"sort": "hot"
}
},
"id": "b5436343-6048-4f41-a60d-77c7cb637c1f",
"name": "Reddit",
"type": "n8n-nodes-base.reddit",
"position": [
-1420,
580
],
"typeVersion": 1,
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"keepOnlySet": true,
"values": {
"number": [
{
"name": "upvotes",
"value": "={{ $json.ups }}"
},
{
"name": "subredditSize",
"value": "={{ $json.subreddit_subscribers }}"
}
],
"string": [
{
"name": "originalPost",
"value": "={{ $json.selftext }}"
},
{
"name": "subreddit",
"value": "={{ $json.subreddit }}"
},
{
"name": "date",
"value": "={{ DateTime.fromSeconds($json.created).toLocaleString() }}"
},
{
"name": "url",
"value": "={{ $json.url }}"
}
]
},
"options": {}
},
"id": "6a6c9729-2e1f-4865-9cc6-7bb308cd1380",
"name": "Set",
"type": "n8n-nodes-base.set",
"position": [
-600,
740
],
"typeVersion": 1
},
{
"parameters": {
"conditions": {
"number": [
{
"value1": "={{ $json.ups }}",
"operation": "largerEqual",
"value2": "=2"
}
],
"string": [
{
"value1": "={{ $json.selftext }}",
"operation": "isNotEmpty"
}
],
"dateTime": [
{
"value1": "={{ DateTime.fromSeconds($json.created).toISO() }}",
"value2": "={{ $today.minus({days: 180}).toISO() }}"
}
]
}
},
"id": "785fc0ed-6e1d-4968-976d-0215d89f4069",
"name": "IF",
"type": "n8n-nodes-base.if",
"position": [
-1220,
820
],
"typeVersion": 1
},
{
"parameters": {
"mode": "combine",
"combinationMode": "mergeByPosition",
"options": {
"fuzzyCompare": false,
"includeUnpaired": true
}
},
"id": "b397a537-7f53-4995-af43-5e464facc383",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
-80,
800
],
"typeVersion": 2
},
{
"parameters": {
"options": {}
},
"id": "81b4aca8-1f2e-4321-9391-5be6024632e7",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
-580,
520
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "9ababf7b-4d85-4d5d-854b-6f0db81ea88b",
"leftValue": "={{ $json.output }}",
"rightValue": "Yes",
"operator": {
"type": "string",
"operation": "startsWith"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "a33f150d-7787-4f4b-bc4a-5a06b9ec7b52",
"name": "Filter",
"type": "n8n-nodes-base.filter",
"typeVersion": 2.2,
"position": [
140,
720
]
},
{
"parameters": {
"options": {}
},
"id": "eb7fdf59-7919-4a1f-b525-9816ff19754a",
"name": "OpenAI Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
260,
480
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {},
"id": "c9e3853d-7eac-41eb-aaca-0ad06a3cbbdf",
"name": "Limit",
"type": "n8n-nodes-base.limit",
"typeVersion": 1,
"position": [
-840,
820
]
},
{
"parameters": {
"options": {}
},
"id": "40edfc98-f3f6-4f74-b69e-2761bcc903fd",
"name": "Summarization Chain",
"type": "@n8n/n8n-nodes-langchain.chainSummarization",
"typeVersion": 2,
"position": [
460,
460
]
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineByPosition",
"numberInputs": 3,
"options": {}
},
"id": "69f53f33-8802-4469-87ed-312fb37de59c",
"name": "Merge1",
"type": "n8n-nodes-base.merge",
"typeVersion": 3,
"position": [
920,
800
]
},
{
"parameters": {
"tableId": "messages",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "session_id",
"fieldValue": "={{ $('Edit Fields').first().json.session_id }}"
},
{
"fieldId": "message",
"fieldValue": "={{ { \"type\": \"ai\", \"content\": `Summary of post for inspiration: ${$json.response.text}\\n\\n${$json.message.content}`, \"data\": {}, \"additional_kwargs\": {}, \"response_metadata\": {} } }}"
}
]
}
},
"id": "5a12c2d7-2d36-43d1-8b0e-6acb00d429aa",
"name": "Supabase",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1140,
800
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"success\": true\n}",
"options": {}
},
"id": "4fc55105-a5ef-41cf-b1e2-a564984f38a6",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1360,
800
]
},
{
"parameters": {
"tableId": "messages",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "session_id",
"fieldValue": "={{ $json.session_id }}"
},
{
"fieldId": "message",
"fieldValue": "={{ {\n\"type\": \"human\",\n\"content\": $json.query,\n\"additional_kwargs\": {},\n\"response_metadata\": {}\n} }}"
}
]
}
},
"id": "b4ecc4d9-6272-4d3e-b07e-cfe0b34e5296",
"name": "Supabase2",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
-1620,
820
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "ee2bcd57-3b4c-43f9-b4b7-3a25687b9a68",
"name": "query",
"value": "={{ $json.body.query }}",
"type": "string"
},
{
"id": "63f23e51-af2b-47c4-a288-5abaf9b6c357",
"name": "user_id",
"value": "={{ $json.body.user_id }}",
"type": "string"
},
{
"id": "b97a3670-8a87-481b-8695-db44624be7d8",
"name": "request_id",
"value": "={{ $json.body.request_id }}",
"type": "string"
},
{
"id": "7d3fa06d-08f7-4517-b9c5-3c46ff476f55",
"name": "session_id",
"value": "={{ $json.body.session_id }}",
"type": "string"
}
]
},
"options": {}
},
"id": "72196ae5-7d70-4332-9058-a8f4bde9677b",
"name": "Edit Fields",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-1820,
580
]
},
{
"parameters": {
"agent": "conversationalAgent",
"promptType": "define",
"text": "=Decide whether this Reddit post is describing a business-related problem or a need for a solution. The post should mention a specific challenge or requirement that a business is trying to address.\n\nReddit Post: {{ $json.originalPost }}\n\nIs this post about a business problem or need for a solution? output only Yes or No",
"options": {}
},
"id": "56960826-57e4-4058-ad9c-27adbb920b08",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
-400,
540
]
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "gpt-4o-mini",
"mode": "list",
"cachedResultName": "GPT-4O-MINI"
},
"messages": {
"values": [
{
"content": "=Based on the following Reddit post, suggest a business idea or service that I could create to help solve this problem for this business and others with similar needs. The solution must relate to the topic of {{ $('Edit Fields').first().json.query }}\n\nReddit Post: \"{{ $json.originalPost }}\"\n\nProvide a concise description of a business idea or service that would address this issue effectively for multiple businesses facing similar challenges.\n\n"
}
]
},
"options": {}
},
"id": "cb0a8a7f-8a91-45c3-8bac-26541cd892d9",
"name": "OpenAI",
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.6,
"position": [
460,
640
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"httpMethod": "POST",
"path": "invoke-business-idea-researcher",
"authentication": "headerAuth",
"responseMode": "responseNode",
"options": {}
},
"id": "059130a6-f166-4e63-b569-3b203c03d535",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-2040,
820
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "# Reddit Small Business Researcher\n\nAuthor: [Zubair Trabzada](https://www.youtube.com/@AI-GPTWorkshop)\n\nAn n8n-powered agent that researches small business ideas by analyzing Reddit discussions from r/smallbusiness. It helps validate business concepts by finding relevant experiences, challenges, and insights from real business owners.\n\n## Features\n\n- Searches r/smallbusiness for relevant discussions\n- Filters high-quality posts based on:\n - Upvotes (minimum of 2)\n - Post content length\n - Recent posts (within last 180 days)\n- Uses AI to analyze and summarize findings\n- Provides actionable insights and potential challenges\n",
"height": 445.33488372093007,
"width": 652.1302325581403,
"color": 6
},
"id": "37a330f9-43d5-4ce6-8617-43d7d233e827",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-2780,
540
]
}
],
"connections": {
"IF": {
"main": [
[
{
"node": "Limit",
"type": "main",
"index": 0
}
]
]
},
"Set": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
},
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Filter",
"type": "main",
"index": 0
}
]
]
},
"Reddit": {
"main": [
[
{
"node": "IF",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Filter": {
"main": [
[
{
"node": "OpenAI",
"type": "main",
"index": 0
},
{
"node": "Summarization Chain",
"type": "main",
"index": 0
},
{
"node": "Merge1",
"type": "main",
"index": 2
}
]
]
},
"OpenAI Chat Model2": {
"ai_languageModel": [
[
{
"node": "Summarization Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Limit": {
"main": [
[
{
"node": "Set",
"type": "main",
"index": 0
}
]
]
},
"Summarization Chain": {
"main": [
[
{
"node": "Merge1",
"type": "main",
"index": 0
}
]
]
},
"Merge1": {
"main": [
[
{
"node": "Supabase",
"type": "main",
"index": 0
}
]
]
},
"Supabase": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "Supabase2",
"type": "main",
"index": 0
}
]
]
},
"Supabase2": {
"main": [
[
{
"node": "Reddit",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"OpenAI": {
"main": [
[
{
"node": "Merge1",
"type": "main",
"index": 1
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "ffff9fe3-17e4-4263-bf2f-4aaeb8068704",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "jy56YXivjHFu6OEJ",
"tags": [
{
"createdAt": "2024-12-09T14:35:20.507Z",
"updatedAt": "2024-12-09T14:35:20.507Z",
"id": "wBUwbX8AS8QmBHOC",
"name": "studio-prod"
}
]
}
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.
httpHeaderAuthopenAiApiredditOAuth2ApisupabaseApi
Pro
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About this workflow
Reddit Small Business Researcher. Uses reddit, lmChatOpenAi, chainSummarization, supabase. Webhook trigger; 18 nodes.
Source: https://github.com/DPabloFlores/ottomator-agents/blob/main/small-business-researcher/Reddit_Small_Business_Researcher.json — original creator credit. Request a take-down →
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