Yaron Been This workflow corresponds to n8n.io template #4373 — we link there as the canonical source.
This workflow follows the Agent → Gmail recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "e5b2e77c-54df-46e4-a130-b30eed7934ab",
"name": "Fetch Reddit Posts",
"type": "n8n-nodes-base.reddit",
"position": [
2440,
3580
],
"parameters": {
"limit": 5,
"keyword": "why I stopped using it",
"operation": "search",
"subreddit": "Chatgpt",
"additionalFields": {}
},
"typeVersion": 1
},
{
"id": "696586e7-a66b-49a9-a3e7-d309bb441951",
"name": "Summarize Posts with AI",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2780,
3580
],
"parameters": {
"text": "=Analyze the following Reddit post. Classify its main topic in 3-5 words, and write a 1-sentence summary.\n\nTitle: {{ $json[\"title\"] }} \nContent: {{ $json.selftext }}\n",
"options": {},
"promptType": "define"
},
"typeVersion": 1.9
},
{
"id": "c665d7bb-0c34-4d34-807c-4861c984277e",
"name": "Generate AI Insights",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2740,
3800
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"typeVersion": 1.2
},
{
"id": "57ba5821-49e1-4ede-9bb0-a7097f94a286",
"name": "Send Summary to Slack",
"type": "n8n-nodes-base.slack",
"position": [
3340,
3480
],
"parameters": {
"text": "=Topic:\n{{ $('Fetch Reddit Posts').item.json.subreddit }}\n\nSummary:\n{{ $json.output }}\n\nView on Reddit:\n{{ $('Fetch Reddit Posts').item.json.media_metadata.cnn80k7excte1.p[0].u }}",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "list",
"value": "C08TTV0CC3E",
"cachedResultName": "all-nathing"
},
"otherOptions": {}
},
"typeVersion": 2.3
},
{
"id": "b4a501fb-7f2d-4d72-ae38-c418e10b588e",
"name": "Send Summary to Gmail",
"type": "n8n-nodes-base.gmail",
"position": [
3340,
3720
],
"parameters": {
"sendTo": "user@example.com",
"message": "=Topic:\n{{ $('Fetch Reddit Posts').item.json.subreddit }}\n\nSummary:\n{{ $json.output }}\n\nView on Reddit:\n{{ $('Fetch Reddit Posts').item.json.media_metadata.cnn80k7excte1.p[0].u }}",
"options": {},
"subject": "=New Reddit Post on {{ $('Fetch Reddit Posts').item.json.subreddit }}"
},
"typeVersion": 2.1
},
{
"id": "0eb7d480-bf92-4794-af7c-320b1bee5687",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
2160,
2760
],
"parameters": {
"color": 3,
"width": 440,
"height": 1000,
"content": "## \ud83d\udeeb Step 1: Get the Post\n\nThis is the **entry point** of the Reddit Insight workflow, responsible for fetching fresh Reddit content on a regular basis.\n\n### \ud83d\udd01 **Trigger Daily Reddit Scan**\n\nThis **Schedule Trigger** node initiates the workflow automatically at a predefined time\u2014typically once per day. It ensures that your automation always works with the most recent content from Reddit without any manual input.\n\n### \ud83d\udce5 **Fetch Reddit Posts**\n\nThis **Reddit node** is configured to search specific subreddits using filters like:\n\n* **Subreddit** (e.g., `technology`, `ai`)\n* **Search term** (e.g., `GPT-5`, `startup launch`)\n* **Time range** (`day`, `week`, etc.)\n* **Sort by** (`top`, `hot`, `new`)\n* **Limit** (e.g., 5 posts)\n\nIt pulls the top relevant posts based on these criteria and passes them along for AI analysis in the next step.\n\n> \ud83d\udd0d This section ensures you're always working with timely, relevant Reddit discussions\u2014perfect for trend monitoring or content summarization.\n\n---\n\nLet me know if you want to break this into a reusable subworkflow or add dynamic inputs via a UI form.\n"
},
"typeVersion": 1
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{
"id": "c9b3000d-17df-4b32-b4d6-ca381b1f2aa7",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
2660,
3120
],
"parameters": {
"color": 4,
"width": 440,
"height": 820,
"content": "## \ud83e\udde0 Step 2: Post Summarization\n\nThis section turns raw Reddit content into concise insights using AI.\n\n### \ud83e\udd16 **Summarize Posts with AI**\n\nThe **AI Agent** receives posts and uses a connected chat model to analyze and summarize each one. It can extract key points, tone, and trends \u2014 making the content more actionable.\n\n### \ud83d\udd17 **Generate AI Insights (OpenAI Chat Model)**\n\nThe summarization is powered by the **OpenAI Chat Model**, which processes each post using a tailored prompt.\n\n> \ud83d\udccc This step helps convert Reddit noise into clear, valuable summaries for decision-making or sharing."
},
"typeVersion": 1
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{
"id": "bdd58493-78ed-4dbc-ad6f-3fa136168a4e",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
3160,
2980
],
"parameters": {
"color": 6,
"width": 440,
"height": 920,
"content": "## \ud83d\udce4 Step 3: Send the Summary\n\nThis section distributes the AI-generated summary to communication channels.\n\n### \ud83d\udcac **Send Summary to Slack**\n\nThe summarized content is sent to a **Slack channel** via a message post. Ideal for quick team updates directly in your workflow.\n\n### \ud83d\udce7 **Send Summary to Gmail**\n\nSimultaneously, the same summary is sent to a **Gmail inbox**, ensuring recipients outside Slack still get the insights.\n\n> \ud83d\udccc This step ensures summaries are instantly shared with stakeholders via preferred communication tools."
},
"typeVersion": 1
},
{
"id": "4013e36b-6070-4120-a5cc-ae5824d3e1d9",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
480,
2760
],
"parameters": {
"color": 4,
"width": 1300,
"height": 320,
"content": "=======================================\n WORKFLOW ASSISTANCE\n=======================================\nFor any questions or support, please contact:\n Yaron@nofluff.online\n\nExplore more tips and tutorials here:\n - YouTube: https://www.youtube.com/@YaronBeen/videos\n - LinkedIn: https://www.linkedin.com/in/yaronbeen/\n=======================================\n"
},
"typeVersion": 1
},
{
"id": "22cc5f85-cd65-4fb9-ab3d-70393e580d55",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
480,
3100
],
"parameters": {
"color": 4,
"width": 1289,
"height": 2378,
"content": "Based on your example, here\u2019s a detailed breakdown for your **Reddit to AI Summary for Slack & Gmail** workflow, using the same structure and clarity:\n\n---\n\n# \ud83d\udd0e Reddit Insight Broadcaster\n\nAutomatically fetch top Reddit posts, generate insights using OpenAI, and broadcast summaries to Slack and Gmail. Perfect for:\n\u2705 Market Monitoring \u2014 get daily pulse on trends and user sentiment\n\u2705 Content Curation \u2014 surface engaging discussions for teams\n\n---\n\n## \u2699\ufe0f What's Used\n\n**n8n Nodes:**\nSchedule Trigger \u2192 Reddit \u2192 AI Agent \u2192 OpenAI Chat Model \u2192 Slack \u2192 Gmail\n\n**External Tools:**\n\n* **Reddit** \u2013 Public API via n8n's Reddit node\n* **OpenAI GPT** \u2013 For intelligent summarization or sentiment tagging\n* **Slack** \u2013 Post to selected channel\n* **Gmail** \u2013 Send summaries via email\n\n---\n\n## \ud83d\udd11 Setup \u2013 Credentials Needed\n\n* **Reddit Access** \u2013 Use n8n Reddit node (API key or OAuth2 if rate-limited access is needed)\n* **OpenAI API Key** \u2013 Add in the OpenAI Chat node\n* **Slack OAuth2** \u2013 Connect your workspace\n* **Gmail OAuth2** \u2013 Connect your Google account\n\n---\n\n## \ud83d\ude80 Workflow Steps\n\n1. **Trigger Every Morning**\n Scheduler runs daily at a set time.\n\n2. **Search Reddit Posts**\n Uses subreddit and keyword filters.\n\n3. **Analyze Content with AI**\n The AI Agent passes each post to OpenAI to:\n\n * Summarize discussion\n * Extract insights\n * Optionally classify sentiment\n\n4. **Broadcast Insights**\n\n * Post to a designated Slack channel\n * Send via Gmail to stakeholders\n\n---\n\n## \ud83d\udce5 Example Output (Slack/Gmail Message)\n\n```\n\ud83d\udd0d Top Reddit Discussion \u2014 r/technology\n\n**Title:** OpenAI releases new GPT model \n**Summary:** Users are discussing the implications of GPT-5's capabilities. General sentiment is excitement mixed with concern over ethical use. \n**Upvotes:** 1,200 | \ud83d\udcac Comments: 350 \n\ud83d\udd17 [Read Post](https://reddit.com/r/technology/example)\n```\n\n---\n\n## \ud83d\udca1 Pro Tips\n\n* Change subreddit dynamically using variables or UI form\n* Use OpenAI to classify tone (positive/neutral/negative)\n* Add branching: e.g., only email posts with >500 upvotes\n* Extend to Notion or Google Sheets for archiving\n* Use emojis or markdown in Slack messages for better UX\n\n---\n\n## \ud83d\udee0\ufe0f Customize It\n\n* **Add filters:** Only include posts with >X upvotes\n* **Score content:** Prioritize based on engagement + AI relevance\n* **Route by topic:** Post AI topics to `#ai`, startup topics to `#founders`\n* **Trigger on-demand:** Add webhook or form to control when it runs\n\n---\n\nThis workflow is a lightweight yet powerful Reddit monitoring tool\u2014perfect for keeping your team updated, generating newsletter content, or tracking niche trends.\n\ud83d\udce1 One bot. One summary. Fully automated."
},
"typeVersion": 1
},
{
"id": "3b1c680a-0c74-4a83-bf3f-163e9b5114e6",
"name": "Trigger Daily Reddit Scan",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
2220,
3580
],
"parameters": {
"rule": {
"interval": [
{
"triggerAtHour": 9
}
]
}
},
"typeVersion": 1.2
}
],
"connections": {
"Fetch Reddit Posts": {
"main": [
[
{
"node": "Summarize Posts with AI",
"type": "main",
"index": 0
}
]
]
},
"Generate AI Insights": {
"ai_languageModel": [
[
{
"node": "Summarize Posts with AI",
"type": "ai_languageModel",
"index": 0
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},
"Summarize Posts with AI": {
"main": [
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{
"node": "Send Summary to Slack",
"type": "main",
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{
"node": "Send Summary to Gmail",
"type": "main",
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}
]
]
},
"Trigger Daily Reddit Scan": {
"main": [
[
{
"node": "Fetch Reddit Posts",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
🤖 AI Reddit Scout Agent: Auto Post Analysis & Insights Stay ahead of trends and conversations with this intelligent n8n workflow that automatically monitors Reddit, analyzes discussions using AI, and delivers actionable insights to your team via Slack and Gmail. Perfect for…
Source: https://n8n.io/workflows/4373/ — original creator credit. Request a take-down →
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