Julian Kaiser This workflow corresponds to n8n.io template #6592 — we link there as the canonical source.
This workflow follows the Chainllm → Emailsend 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 →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "2cb7b4bd-a165-456b-89dc-0f8c96e2f197",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-528,
-720
],
"parameters": {},
"typeVersion": 1
},
{
"id": "6f1b09fd-f77a-48ad-94b3-27715a6ab86c",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
1552,
-352
],
"parameters": {
"jsonSchemaExample": "{\n\t\"userProblem\": \"The users painpoint / problem quickly summarized\"\n}"
},
"typeVersion": 1.2
},
{
"id": "2b6cd5ca-a448-47e8-8292-b11e271de887",
"name": "Get Posts sorted by replies",
"type": "n8n-nodes-base.httpRequest",
"position": [
-304,
-448
],
"parameters": {
"url": "https://community.n8n.io/c/questions/12?max_posts=1",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "c7a1aa24-0d7d-470f-8447-2a8478e795ef",
"name": "Extract links",
"type": "n8n-nodes-base.html",
"position": [
-80,
-448
],
"parameters": {
"options": {},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "link",
"attribute": "href",
"cssSelector": ".raw-topic-link",
"returnArray": true,
"returnValue": "attribute"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "17a6a92f-27e5-4cba-ad53-f142948b8022",
"name": "Extract Post details",
"type": "n8n-nodes-base.html",
"position": [
864,
-448
],
"parameters": {
"options": {
"cleanUpText": true
},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "title",
"cssSelector": "#topic-title a"
},
{
"key": "category",
"cssSelector": ".topic-category .category-name"
},
{
"key": "body",
"cssSelector": ".topic-body .post"
},
{
"key": "posted",
"attribute": "content",
"cssSelector": "meta[itemprop=\"datePublished\"]",
"returnValue": "attribute"
},
{
"key": "link",
"attribute": "href",
"cssSelector": "link[itemprop=\"url\"]",
"returnValue": "attribute"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "f812da1f-15ad-4e23-86bc-a901889a1114",
"name": "Send every morning at 9am",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-528,
-304
],
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 0 9 * * *"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "301577ca-6195-4d4d-8560-e76b935512dd",
"name": "Text Classifier",
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"position": [
144,
-944
],
"parameters": {
"options": {},
"inputText": "=Title: {{ $json.title }}\nPost: {{ $json.post }}",
"categories": {
"categories": [
{
"category": "QUESTION_HELP",
"description": "The user has a problem that needs solving or asked a question on how to do something"
},
{
"category": "JOB_POST",
"description": "The user is posting a job. Loooking for an expert."
},
{
"category": "SELF_PROMOTION",
"description": "The user is promoting somehting that he/she built"
},
{
"category": "QUESTION_GENERAL",
"description": "The user is looking to initiate a general discussion."
}
]
}
},
"typeVersion": 1
},
{
"id": "10125c7a-95f5-4d72-827e-03cfbc1802ad",
"name": "Get latest 50 reddit posts",
"type": "n8n-nodes-base.reddit",
"position": [
-304,
-912
],
"parameters": {
"limit": 50,
"filters": {
"category": "new"
},
"operation": "getAll",
"subreddit": "n8n"
},
"credentials": {
"redditOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "2cce0028-84fe-4ca4-96ab-1f14927bcfd0",
"name": "Send every afternoon at 5pm",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-528,
-1056
],
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 0 17 * * *"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "804af4ec-0bf4-4733-9d81-8a6cc93f62cb",
"name": "OpenRouter Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
208,
-688
],
"parameters": {
"options": {}
},
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "65eed9cb-996d-4c39-8988-b2e7a2967288",
"name": "OpenRouter Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
912,
-864
],
"parameters": {
"options": {}
},
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "046f9f69-68d4-4d7a-b533-88944e545494",
"name": "OpenRouter Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
1376,
-352
],
"parameters": {
"options": {}
},
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "b3b81418-76b7-450c-a6c6-0806c777bd13",
"name": "Select Post Title & Body",
"type": "n8n-nodes-base.set",
"position": [
-80,
-912
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "32e797a5-75b1-4b03-91e3-b45fb1713bbe",
"name": "subreddit",
"type": "string",
"value": "={{ $json.subreddit }}"
},
{
"id": "5463fed9-29c5-4fea-ba02-898a8334bcb4",
"name": "title",
"type": "string",
"value": "={{ $json.title }}"
},
{
"id": "234c2078-d453-4edb-bb41-c98285b92e32",
"name": "post",
"type": "string",
"value": "={{ $json.selftext }}"
},
{
"id": "2+1234567890d-84b0-84818a3999a0",
"name": "creator",
"type": "string",
"value": "={{ $json.name }}"
},
{
"id": "194c3860-2ec0-4470-b275-4e702d2bb62a",
"name": "createdDate",
"type": "string",
"value": "={{new Date($json.created* 1000)}}"
},
{
"id": "87a02b38-6291-4e94-be29-cb1cc4270f3c",
"name": "ups",
"type": "string",
"value": "={{ $json.ups }}"
},
{
"id": "7f3fd9fe-e42f-409d-b89c-83770e08682c",
"name": "comments",
"type": "string",
"value": "={{ $json.num_comments }}"
},
{
"id": "dadcec52-2ce8-4e3d-a7c7-a0ab5fb54f74",
"name": "link",
"type": "string",
"value": "={{ $json.url }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "cf3eb7eb-d631-4793-8bbe-e9745eb5a810",
"name": "Filter for Questions",
"type": "n8n-nodes-base.filter",
"position": [
656,
-960
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "be412321-5456-4b6c-9944-9701750e2acd",
"operator": {
"type": "number",
"operation": "equals"
},
"leftValue": "={{ Number($json.comments) }}",
"rightValue": 0
}
]
}
},
"typeVersion": 2.2
},
{
"id": "446bc6f9-96e7-4f6a-823f-28faf1a5e143",
"name": "Summarize Reddit Questions",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
880,
-1088
],
"parameters": {
"text": "=<content> \nTitle: {{ $json.title }}\nPost:{{ $json.post }} \n</content>\n",
"messages": {
"messageValues": [
{
"message": "=\n<purpose>\n You are an expert in analysing n8n user problems. You receive comments of users that are looking for help and provide a quick summary on what the user is struggeling with.\n</purpose>\n\n<instructions>\n <instruction>Output in json format</instruction>\n <instruction>Please keep it short and concise. One sentence max.</instruction>\n <instruction>Try to really highlight the users problem / pain point</instruction>\n</instructions>\n\n"
}
]
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.5
},
{
"id": "43041806-7e61-4ee2-ab30-eb379338e144",
"name": "Format Reddit Summary",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
1040,
-864
],
"parameters": {
"jsonSchemaExample": "{\n\t\"userProblem\": \"The users painpoint / problem quickly summarized\"\n}"
},
"typeVersion": 1.2
},
{
"id": "d5bccf17-fc5a-41ea-af89-e10467850252",
"name": "Combine Reddit Post & Summary",
"type": "n8n-nodes-base.merge",
"position": [
1280,
-960
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "e2c973e9-9e7d-4008-87a0-50efa6d3fb9c",
"name": "Prepare Reddit Email Body",
"type": "n8n-nodes-base.code",
"position": [
1488,
-960
],
"parameters": {
"jsCode": "const items = $input.all().map((item) => {\n const itemJson = item.json;\n return {\n ...itemJson,\n userProblem: itemJson.output.userProblem,\n output: undefined // Remove the original output object\n };\n});\nreturn { data: items };\n"
},
"typeVersion": 2
},
{
"id": "9b1737db-aa73-4637-b53c-5ca52b42ce85",
"name": "Send Reddit Summary Email",
"type": "n8n-nodes-base.emailSend",
"position": [
1680,
-960
],
"parameters": {
"html": "={{$input.first().json.data.sort((a,b) => parseInt(b.ups) - parseInt(a.ups)).reduce((html, issue) => html + '<div class=\"issue\"><div class=\"title\">' + issue.title + '</div><div class=\"problem\"><strong>Problem:</strong> ' + issue.userProblem + '</div><div class=\"meta\">Posted: ' + new Date(issue.createdDate.replace(/\"/g, '')).toLocaleString() + ' | Upvotes: ' + issue.ups + ' | <a href=\"' + issue.link + '\" class=\"link\">View on Reddit</a></div></div>', '<!DOCTYPE html><html><head><style>body{font-family:Arial,sans-serif;line-height:1.6;color:#333}.container{max-width:800px;margin:0 auto;padding:20px}.issue{border:1px solid #ddd;margin-bottom:20px;padding:15px;border-radius:5px}.title{color:#2c5282;font-weight:bold;font-size:18px;margin-bottom:10px}.problem{background:#f8f9fa;padding:10px;border-left:4px solid #4299e1;margin:10px 0}.meta{color:#666;font-size:14px;margin-top:10px}.link{color:#4299e1;text-decoration:none}.link:hover{text-decoration:underline}</style></head><body><div class=\"container\"><h1>n8n Subreddit Issues Summary</h1><p>Generated on: ' + new Date().toLocaleString() + '</p>') + '</div></body></html>'}}\n",
"options": {},
"subject": "Latest n8n User Problems ",
"toEmail": "user@example.com",
"fromEmail": "user@example.com"
},
"credentials": {
"smtp": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "0d2454c1-2087-4e8c-a9da-930328540af7",
"name": "Process Each Forum Link",
"type": "n8n-nodes-base.splitOut",
"position": [
240,
-448
],
"parameters": {
"options": {},
"fieldToSplitOut": "link"
},
"typeVersion": 1
},
{
"id": "77b25df7-78a2-4eb3-857c-96782ca87ed5",
"name": "Fetch Individual Forum Posts",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"maxTries": 2,
"position": [
544,
-448
],
"parameters": {
"url": "={{ $json.link }}",
"options": {
"batching": {
"batch": {
"batchSize": 5,
"batchInterval": 10000
}
}
}
},
"retryOnFail": false,
"typeVersion": 4.2,
"waitBetweenTries": 5000
},
{
"id": "6560f53e-4194-4b06-ab59-07833ada7374",
"name": "Summarize n8n Forum Posts",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1392,
-576
],
"parameters": {
"text": "=<content> \nTitle: {{ $json.title }}\nPost:{{ $json.body }} \n</content>\n",
"messages": {
"messageValues": [
{
"message": "=\n<purpose>\n You are an expert in analysing n8n user problems. You receive comments of users that are looking for help and provide a quick summary on what the user is struggeling with.\n</purpose>\n\n<instructions>\n <instruction>Output in json format</instruction>\n <instruction>Please keep it short and concise. One sentence max.</instruction>\n <instruction>Try to really highlight the users problem / pain point</instruction>\n</instructions>\n\n"
}
]
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.5
},
{
"id": "8ee8dd78-0d52-4c74-bac7-2c53ee777d71",
"name": "Combine Forum Post & Summary",
"type": "n8n-nodes-base.merge",
"position": [
1792,
-448
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "e6dc4745-a9ae-41d8-9f9c-79dc82ee48a1",
"name": "Prepare Forum Email Body",
"type": "n8n-nodes-base.code",
"position": [
2016,
-448
],
"parameters": {
"jsCode": "const items = $input.all().map((item) => {\n const itemJson = item.json;\n return {\n ...itemJson,\n userProblem: itemJson.output.userProblem,\n output: undefined // Remove the original output object\n };\n});\nreturn { data: items };\n"
},
"typeVersion": 2
},
{
"id": "94d3367e-f937-441a-b895-4037c4a089ad",
"name": "Send Forum Summary Email",
"type": "n8n-nodes-base.emailSend",
"position": [
2240,
-448
],
"parameters": {
"html": "={{ $input.first().json.data.sort((a,b) => new Date(b.posted) - new Date(a.posted)).reduce((html, issue) => html + '<div class=\"issue\"><div class=\"title\">' + issue.title + '</div><div class=\"problem\"><strong>Problem:</strong> ' + issue.userProblem + '</div><div class=\"meta\">Posted: ' + new Date(issue.posted).toLocaleString() + ' | <a href=\"' + issue.link + '\" class=\"link\">View on Forum</a></div></div>', '<!DOCTYPE html><html><head><style>body{font-family:Arial,sans-serif;line-height:1.6;color:#333}.container{max-width:800px;margin:0 auto;padding:20px}.issue{border:1px solid #ddd;margin-bottom:20px;padding:15px;border-radius:5px}.title{color:#2c5282;font-weight:bold;font-size:18px;margin-bottom:10px}.problem{background:#f8f9fa;padding:10px;border-left:4px solid #4299e1;margin:10px 0}.meta{color:#666;font-size:14px;margin-top:10px}.link{color:#4299e1;text-decoration:none}.link:hover{text-decoration:underline}</style></head><body><div class=\"container\"><h1>n8n Community Forum Issues Summary</h1><p>Generated on: ' + new Date().toLocaleString() + '</p>') + '</div></body></html>'\n",
"options": {},
"subject": "Latest n8n User Problems (Forum)",
"toEmail": "user@example.com",
"fromEmail": "user@example.com"
},
"credentials": {
"smtp": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "984f74cb-26cf-4ce5-b0d0-1d926e255df6",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-960,
-1088
],
"parameters": {
"color": 7,
"width": 320,
"height": 352,
"content": "## This workflow runs two separate automations:\n\n**Reddit Digest**: Fetches, classifies, and summarizes new Reddit posts daily.\n\n**n8n Forum Digest**: Scrapes, filters, and summarizes new n8n forum posts daily.\nBoth automations send their findings in separate email reports."
},
"typeVersion": 1
},
{
"id": "63b841a1-adf0-479e-a1e0-780621cd5aa6",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-304,
-1136
],
"parameters": {
"width": 256,
"height": 176,
"content": "## Reddit Digest\nSet the Subreddit name in the \"Get Latest Reddit Posts\" node. You'll also need to configure / adjust the AI prompt in the \"Summarize Reddit Questions\" node."
},
"typeVersion": 1
},
{
"id": "043da666-4a49-482c-92c9-be199e1f77ab",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-304,
-672
],
"parameters": {
"width": 288,
"height": 208,
"content": "## n8n Forum Digest\nThis flow scrapes the n8n community forum. It filters posts based on a keyword in the \"Filter for recent Posts\" node and summarizes them using AI. Remember to configure / adjust the prompt in the \"Summarize n8n Forum Posts\" node."
},
"typeVersion": 1
},
{
"id": "5082ac55-925d-43eb-a4e7-a9c114f289dd",
"name": "Filter recent posts",
"type": "n8n-nodes-base.filter",
"position": [
1120,
-448
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ddc96e73-7fed-496e-89e0-03a5c073b057",
"operator": {
"type": "dateTime",
"operation": "after"
},
"leftValue": "={{ $json.posted }}",
"rightValue": "={{ $now.minus(14, 'days') }}"
}
]
}
},
"typeVersion": 2.2
}
],
"connections": {
"Extract links": {
"main": [
[
{
"node": "Process Each Forum Link",
"type": "main",
"index": 0
}
]
]
},
"Text Classifier": {
"main": [
[
{
"node": "Filter for Questions",
"type": "main",
"index": 0
}
]
]
},
"Filter recent posts": {
"main": [
[
{
"node": "Summarize n8n Forum Posts",
"type": "main",
"index": 0
},
{
"node": "Combine Forum Post & Summary",
"type": "main",
"index": 1
}
]
]
},
"Extract Post details": {
"main": [
[
{
"node": "Filter recent posts",
"type": "main",
"index": 0
}
]
]
},
"Filter for Questions": {
"main": [
[
{
"node": "Summarize Reddit Questions",
"type": "main",
"index": 0
},
{
"node": "Combine Reddit Post & Summary",
"type": "main",
"index": 1
}
]
]
},
"Format Reddit Summary": {
"ai_outputParser": [
[
{
"node": "Summarize Reddit Questions",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"OpenRouter Chat Model": {
"ai_languageModel": [
[
{
"node": "Text Classifier",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenRouter Chat Model1": {
"ai_languageModel": [
[
{
"node": "Summarize Reddit Questions",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenRouter Chat Model2": {
"ai_languageModel": [
[
{
"node": "Summarize n8n Forum Posts",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Process Each Forum Link": {
"main": [
[
{
"node": "Fetch Individual Forum Posts",
"type": "main",
"index": 0
}
]
]
},
"Prepare Forum Email Body": {
"main": [
[
{
"node": "Send Forum Summary Email",
"type": "main",
"index": 0
}
]
]
},
"Select Post Title & Body": {
"main": [
[
{
"node": "Text Classifier",
"type": "main",
"index": 0
}
]
]
},
"Send Forum Summary Email": {
"main": [
[]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "Summarize n8n Forum Posts",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Prepare Reddit Email Body": {
"main": [
[
{
"node": "Send Reddit Summary Email",
"type": "main",
"index": 0
}
]
]
},
"Send Reddit Summary Email": {
"main": [
[]
]
},
"Send every morning at 9am": {
"main": [
[
{
"node": "Get Posts sorted by replies",
"type": "main",
"index": 0
},
{
"node": "Get latest 50 reddit posts",
"type": "main",
"index": 0
}
]
]
},
"Summarize n8n Forum Posts": {
"main": [
[
{
"node": "Combine Forum Post & Summary",
"type": "main",
"index": 0
}
]
]
},
"Get latest 50 reddit posts": {
"main": [
[
{
"node": "Select Post Title & Body",
"type": "main",
"index": 0
}
]
]
},
"Summarize Reddit Questions": {
"main": [
[
{
"node": "Combine Reddit Post & Summary",
"type": "main",
"index": 0
}
]
]
},
"Get Posts sorted by replies": {
"main": [
[
{
"node": "Extract links",
"type": "main",
"index": 0
}
]
]
},
"Send every afternoon at 5pm": {
"main": [
[
{
"node": "Get latest 50 reddit posts",
"type": "main",
"index": 0
},
{
"node": "Get Posts sorted by replies",
"type": "main",
"index": 0
}
]
]
},
"Combine Forum Post & Summary": {
"main": [
[
{
"node": "Prepare Forum Email Body",
"type": "main",
"index": 0
}
]
]
},
"Fetch Individual Forum Posts": {
"main": [
[
{
"node": "Extract Post details",
"type": "main",
"index": 0
}
],
[]
]
},
"Combine Reddit Post & Summary": {
"main": [
[
{
"node": "Prepare Reddit Email Body",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Get Posts sorted by replies",
"type": "main",
"index": 0
},
{
"node": "Get latest 50 reddit posts",
"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.
openRouterApiredditOAuth2Apismtp
Pro
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About this workflow
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 to keep up and make sure no one was left without an answer. I needed a way to…
Source: https://n8n.io/workflows/6592/ — original creator credit. Request a take-down →
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