Post top Reddit content to Telegram with GPT-4.1-mini and human approval
Needs changesNeeds changes. This template uses 2 thing(s) that n8n 3.0 removes: Cron, AI Agent v1 (old agent modes). 2 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 14 nodes and runs on a schedule (legacy Cron node). Along the way it connects OpenAI Chat Model, Google Sheets, Gmail and Reddit and 1 more.
How it runs
Trigger: On a schedule (legacy Cron node).
- Fetch Reddit Posts (Reddit): get many
- Normalized Fields (Code): runs custom JavaScript code
- Deduplicate (url → title) (Code): runs custom JavaScript code
- Score & Compose (Code): runs custom JavaScript code
- Shape Reddit Log Row (Edit Fields (Set)): sets or maps fields
- Social Posts Generator (AI Agent): runs an AI agent, with model: OpenAI Chat Model
- Log Fetched Reddit Posts (Google Sheets): append
- Send Approval Email (Gmail): send and wait for a reply
- Is Content Approved? (If): checks a condition and branches into true / false
- Post to Telegram (Telegram): uses Telegram
…plus 2 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
2 things in this workflow are removed in n8n 3.0. Fix them before you upgrade:
- Cron in Trigger - Cron1: replace with Schedule Trigger.
- AI Agent v1 (old agent modes) in Social Posts Generator (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 3.0 | Replace with |
|---|---|
| Cron Trigger - Cron1 | Schedule Trigger |
| AI Agent v1 (old agent modes) Social Posts Generator (v1.7) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (10)
- Cron
n8n-nodes-base.cron - Code
n8n-nodes-base.code - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Sheets
n8n-nodes-base.googleSheets - Gmail
n8n-nodes-base.gmail - If
n8n-nodes-base.if - Edit Fields (Set)
n8n-nodes-base.set - Reddit
n8n-nodes-base.reddit - Telegram
n8n-nodes-base.telegram
From the author
How it works - A weekly cron triggers the flow - The Reddit node fetches top posts from a +-separated list of subreddits you define - A code node normalises each item into {url, title, publishedAt} while preserving Reddit-specific fields like ups,…