Automate Reddit replies with F5Bot alerts & GPT-5 personalized comments
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 23 nodes and runs on Gmail events (plus 1 other trigger). Along the way it connects Gmail, Reddit, OpenAI Chat Model and Evaluation and 1 more.
How it runs
Trigger: On Gmail events (plus 1 other trigger).
- Delay 5m (Wait): pauses before continuing
- Edit Fields (Edit Fields (Set)): sets 1 field: Text
- Filter Subreddit URLs (Code): runs custom JavaScript code
- Code: runs custom JavaScript code
- Subreddit about (Reddit): work with subreddit
- Get a post (Reddit): get
- Subreddit rules (Reddit): work with subreddit
- Filter: keeps only the items that match a condition
- Edit Fields (Edit Fields (Set)): sets 2 fields: subreddit_about, subreddit_rules
- Input for AI (Edit Fields (Set)): sets 2 fields: Title, Text
…plus 8 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (Gmail Trigger).
Nodes used (13)
- Gmail Trigger
n8n-nodes-base.gmailTrigger - Edit Fields (Set)
n8n-nodes-base.set - Reddit
n8n-nodes-base.reddit - Merge
n8n-nodes-base.merge - Code
n8n-nodes-base.code - Filter
n8n-nodes-base.filter - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Evaluation Trigger
n8n-nodes-base.evaluationTrigger - Google Sheets Tool
n8n-nodes-base.googleSheetsTool - Evaluation
n8n-nodes-base.evaluation - Wait
n8n-nodes-base.wait
From the author
🤖 Reddit Auto-Comment Assistant (AI-Driven Marketing Workflow) Automate how you reply to Reddit posts using AI-generated, first-person comments that sound human, follow subreddit rules, and (optionally) promote your own links or products. --- 🧩 Overview…