Reddit brand engagement with AI comment generation and Slack notifications
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 13 nodes and runs on a schedule (every day at 19:00). Along the way it connects OpenAI Chat Model, Slack and Reddit.
How it runs
Trigger: On a schedule (every day at 19:00).
- Automate (Reddit): search
- AI_Agents (Reddit): search
- salesdevelopment (Reddit): search
- SaaSSales (Reddit): search
- AskMarketing (Reddit): search
- Merge: merges the data from its input branches
- Filter last 24 hour posts (Code): runs custom JavaScript code
- Comment AI Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; output parser: Structured Output Parser
- Should Reply? (Filter): keeps only the items that match a condition
- Send a message (Slack): uses Slack
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.
Nodes used (9)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Filter
n8n-nodes-base.filter - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - AI Agent
@n8n/n8n-nodes-langchain.agent - Slack
n8n-nodes-base.slack - Reddit
n8n-nodes-base.reddit - Merge
n8n-nodes-base.merge - Code
n8n-nodes-base.code
From the author
What This Does Automatically finds relevant Reddit posts where your brand can add value, generates helpful AI comments, and sends the best opportunities to your Slack channel for review. Setup Requirements - Reddit API credentials - OpenAI API key - Slack…