Auto-generate MVP startup ideas from Reddit with AI & Excel storage

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

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 ...

Best for

Market Research automation workflows
Multimodal AI automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.reddit, @n8n/n8n-nodes-langchain.lmchatopenrouter, @n8n/n8n-nodes-langchain.outputparserstructured, n8n-nodes-base.stickynote, n8n-nodes-base.formtrigger, n8n-nodes-base.microsoftexcel, n8n-nodes-base.aggregate, n8n-nodes-base.code

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Jesse White.

Original n8n.io source

1.1 Workflow description

Title: Auto-generate MVP startup ideas from Reddit with AI & Excel storage
Workflow name: Auto-generate MVP startup ideas from Reddit with AI & Excel storage

🧠 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 chain to generate detailed, structured MVP business ideas—including industry, business type, revenue potential, and startup cost estimates.

🚀 Key Features Live Reddit Scraper: Select from a curated list of entrepreneur and business subreddits (e.g., r/smallbusiness, r/entrepreneur, r/marketing) to fetch top trending posts.

Comment Analysis: Pulls Reddit comments and flattens threads to extract community pain points.

AI Business Generator: Uses OpenRouter-compatible LLMs (like GPT-4o-mini or Gemini Flash) to analyze post content and comments. Outputs are structured JSON objects with MVP ideas.

Zero Duplicate Analysis: Automatically deduplicates previously analyzed Reddit posts using a dynamic blocklist.

Excel Integration: Saves each MVP idea directly into your Microsoft Excel 365 sheet, organized by MVP, Industry, Pain Point, Startup Costs, and Revenue potential.

Easy Subreddit Selection: User-friendly form trigger lets you choose your target subreddit without editing the workflow.

Offline-Friendly: All results are stored in Excel for later review or distribution—ideal for content creators, market researchers, or startup founders.

🛠️ Requirements Free n8n account (self-hosted or cloud)

Reddit developer credentials

OpenRouter API key (supports Qwen, GPT-4o-mini, Gemini)

Microsoft Excel 365 with Azure OAuth2 app setup

📦 What You Get Complete n8n workflow file

Setup notes inside the workflow (via Sticky Notes)

Instructions for Excel table formatting and OAuth2 setup

Output schema designed for downstream automation or AI agents

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Get Comments

Type / Role: n8n-nodes-base.reddit - reddit
Config choices: Version 1

Block 2 - Get Trending Posts

Type / Role: n8n-nodes-base.reddit - reddit
Config choices: Version 1

Block 3 - OpenRouter Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenRouter - lmChatOpenRouter
Config choices: Version 1

Block 4 - Structured Output Parser

Type / Role: @n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices: Version 1.2

Block 5 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 6 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 7 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 8 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 9 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 10 - Sticky Note5

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 11 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 12 - Select a subreddit

Type / Role: n8n-nodes-base.formTrigger - formTrigger
Config choices: Version 2.2

Block 13 - Get used reddit post slugs

Type / Role: n8n-nodes-base.microsoftExcel - microsoftExcel
Config choices: Version 2.1

Block 14 - Flatten list of slugs

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 15 - Extract subreddits and post ids

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 16 - Create post slugs

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 17 - Create list of posts

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 18 - Merge used post slugs with new post slugs

Type / Role: n8n-nodes-base.merge - merge
Config choices: Version 3.1

Block 19 - Create list of all post slugs

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 20 - Remove duplicate post slugs

Type / Role: n8n-nodes-base.removeDuplicates - removeDuplicates
Config choices: Version 2

Block 21 - Split out post slugs

Type / Role: n8n-nodes-base.splitOut - splitOut
Config choices: Version 1

Block 22 - Update "Used Posts" with new post slugs

Type / Role: n8n-nodes-base.microsoftExcel - microsoftExcel
Config choices: Version 2.1

Block 23 - Merge new post slugs with post data

Type / Role: n8n-nodes-base.merge - merge
Config choices: Version 3.1

Block 24 - Filter out used posts

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Showing the first 24 of 30 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow	Auto-generate MVP startup ideas from Reddit with AI & Excel storage
Complexity	advanced
Nodes	30
Categories	Market Research, Multimodal AI
Author	Jesse White
Published	01 May 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/3824/3824.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Market Research workflows Multimodal AI workflows

Frequently asked questions

What does Auto-generate MVP startup ideas from Reddit with AI & Excel storage do?

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 ...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Market Research, Multimodal AI use case.

Jesse White

5 workflows

Nodes

n8n-nodes-base.reddit @n8n/n8n-nodes-langchain.lmchatopenrouter @n8n/n8n-nodes-langchain.outputparserstructured n8n-nodes-base.stickynote n8n-nodes-base.formtrigger n8n-nodes-base.microsoftexcel n8n-nodes-base.aggregate n8n-nodes-base.code

Complexity

advanced

Published 01 May 2025

Likes 0

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Install path: /data/workflows/3824/3824.json

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Auto-generate MVP startup ideas from Reddit with AI & Excel storage

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Get Comments

Block 2 - Get Trending Posts

Block 3 - OpenRouter Chat Model

Block 4 - Structured Output Parser

Block 5 - Sticky Note

Block 6 - Sticky Note1

Block 7 - Sticky Note2

Block 8 - Sticky Note3

Block 9 - Sticky Note4

Block 10 - Sticky Note5

Block 11 - Sticky Note6

Block 12 - Select a subreddit

Block 13 - Get used reddit post slugs

Block 14 - Flatten list of slugs

Block 15 - Extract subreddits and post ids

Block 16 - Create post slugs

Block 17 - Create list of posts

Block 18 - Merge used post slugs with new post slugs

Block 19 - Create list of all post slugs

Block 20 - Remove duplicate post slugs

Block 21 - Split out post slugs

Block 22 - Update "Used Posts" with new post slugs

Block 23 - Merge new post slugs with post data

Block 24 - Filter out used posts

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions