Reddit Bot Automation: AI Auto-Reply & Post Monitor with GPT-4 + Google Sheets
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Reddit Dev
Description
🚀 Built an AI-Powered Reddit Engagement (Reddit auto comment to relevant posts based on your whish. A workflow That Actually Helps People and helps you to promote your product and service.
Just spent hours fine-tuning an n8n automation that genuinely adds value to Reddit conversations and to your service, app, business or message that you want to promote. Here's what it does:
The Challenge: Finding relevant discussions where my service, app, business or message could actually help someone - without being spammy or salesy.
The Solution: An intelligent workflow that:
🔍 Monitors multiple subreddits for photo editing discussions
🧠 Uses GPT-4.1 to analyze comments (not just posts!) for genuine need
🎯 Filters out bots, moderators, and irrelevant content
✍️ Crafts helpful, conversational responses that provide value first
📊 Tracks everything in Google Sheets for transparency
Key Features:
Runs every 3 hours automatically
Analyzes comment context, not just keywords
Only engages when the service, app, business or message is genuinely relevant
Focuses on helping, mentions the app naturally if appropriate
Respects Reddit culture and community guidelines
Why This Matters: Instead of blind self-promotion, this creates genuine interactions. When someone asks "Anyone know a good service, app, business to do XYZ?", they get a helpful response from someone
who's actually built a solution.
Tech Stack: n8n, OpenAI GPT-4, Reddit API, Google Sheets
The best part? It forces me to only engage where I can add real value. No spam, just helpful participation in communities I care about.
What automation challenges are you working on? Happy to share learnings!
Questions or feedback?: [email protected]