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n8nAI Agent

Reddit AI Agent

An n8n agent that monitors target subreddits, finds relevant posts, and uses an LLM to suggest comments. Everything goes into Google Sheets for a human to review before posting.

The problem

Reddit is one of the best places to find qualified leads and genuine conversations but manually tracking subreddits and writing contextual replies every day is not sustainable.

Approach

Built an n8n workflow that monitors a list of subreddits on a schedule, feeds each post to an LLM with context about the business, gets a suggested comment back, and logs everything to Google Sheets. The human reviews and decides what to post.

Tech

  • n8n
  • OpenAI
  • Reddit API
  • Google Sheets

Outcome

Removes the manual work of monitoring Reddit entirely. The human-in-the-loop step keeps the quality high.