Templates / Reddit lead finder: Automated prospecting with GPT-4, Supabase and Gmail alerts

Reddit lead finder: Automated prospecting with GPT-4, Supabase and Gmail alerts

Needs changes

by BluePro · 1,566 views · created 2025-08-01 · Lead Generation, AI Summarization

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 23 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). Along the way it connects OpenAI Chat Model, Reddit, Google Sheets and Gmail and 1 more.

How it runs

Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).

  1. Code: runs custom JavaScript code
  2. Loop Over Items (Loop Over Items (Split in Batches)): loops over the items in batches
  3. Filter Posts (If): checks a condition and branches into true / false
  4. Get Posts (Reddit): search
  5. Loop Over Items (Loop Over Items (Split in Batches)): loops over the items in batches
  6. If: checks a condition and branches into true / false
  7. Get many rows (Supabase): get many
  8. Loop Over Items (Loop Over Items (Split in Batches)): loops over the items in batches
  9. Code: runs custom JavaScript code
  10. If: checks a condition and branches into true / false

…plus 10 more steps. See the full node list below.

Services it uses

OpenAI Chat ModelRedditGoogle SheetsGmailSupabase

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in Analysis Content By AI (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0Replace with
AI Agent v1 (old agent modes)
Analysis Content By AI (v1.7)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (12)

From the author

This workflow monitors targeted subreddits for potential sales leads using Reddit’s API, AI content analysis, Supabase, and Google Sheets. It is built specifically to discover posts from Reddit users who may benefit from a particular product or service. It…

Excerpt from BluePro's description on n8n.io.

View the original on n8n.io → Check your own copy

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