Post top Reddit content to Telegram with GPT-4.1-mini and human approval

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1. Workflow Overview

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 while preserving Reddit specific ...

Best for

Social Media automation workflows
Multimodal AI automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.cron, n8n-nodes-base.code, @n8n/n8n-nodes-langchain.lmchatopenai, @n8n/n8n-nodes-langchain.agent, n8n-nodes-base.googlesheets, n8n-nodes-base.gmail, n8n-nodes-base.if, n8n-nodes-base.set

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Alena - Prodigy AI Sol.

Original n8n.io source

1.1 Workflow description

Title: Post top Reddit content to Telegram with GPT-4.1-mini and human approval
Workflow name: Post top Reddit content to Telegram with GPT-4.1-mini and human approval

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, upvote_ratio, and num_comments
A deduplication step drops repeats by normalised URL and then by title
A scoring step ranks candidates by ups x upvote_ratio and passes the winner plus the top 10 candidates to GPT-4
A LangChain agent writes three platform-specific drafts in a single call: a short Telegram blurb with a link
Gmail sends you one email containing a draft with APPROVE / DECLINE buttons (sendAndWait, double-confirm)
On APPROVE, a Gate node fans out to three parallel branches that post to Telegram, and each result is appended to its own tab in Google Sheets
On DECLINE, reviewer feedback is injected into the agent and it picks another topic to retry

Set up steps

Setup takes about 15 to 20 minutes
Connect a Reddit OAuth2 credential with read access
Connect an OpenAI API credential (defaults to gpt-4.1-mini; swap to any model you prefer)
Connect a Gmail OAuth2 credential for the approval email and set sendTo to your own address
Connect a Telegram Bot API credential and replace @your_telegram_channel in the Post to Telegram node with your real channel handle (your bot must be an admin of the channel)
Connect a Google Sheets OAuth2 credential and pick your destination spreadsheet + correct tab in each of the four Google Sheets nodes
Edit the default subreddit list inside the Reddit node to match your niche
Optional: adjust the GPT prompt inside the Social Posts Generator to match your tone per platform
Detailed per-step notes live inside the workflow as sticky notes

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Trigger - Cron1

Type / Role: n8n-nodes-base.cron - cron
Config choices: Version 1

Block 2 - Normalized Fields

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 3 - Deduplicate (url → title)

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 4 - Score & Compose

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 5 - OpenAI Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 6 - Social Posts Generator

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 1.7

Block 7 - Log Fetched Reddit Posts

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.2

Block 8 - Send Approval Email

Type / Role: n8n-nodes-base.gmail - gmail
Config choices: Version 2.1

Block 9 - Is Content Approved?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 10 - Feedback for decline

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 11 - Fetch Reddit Posts

Type / Role: n8n-nodes-base.reddit - reddit
Config choices: Version 1

Block 12 - Post to Telegram

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 13 - Log Telegram Post

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 14 - Sticky Note 0001

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 15 - Sticky Note 0002

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 16 - Sticky Note 0003

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 17 - Sticky Note 0004

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 18 - Sticky Note 0005

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 19 - Sticky Note 0006

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 20 - Sticky Note 0007

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 21 - Sticky Note 0008

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 22 - Sticky Note 0009

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 23 - Shape Reddit Log Row

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

3. Summary Table

Workflow	Post top Reddit content to Telegram with GPT-4.1-mini and human approval
Complexity	advanced
Nodes	23
Categories	Social Media, Multimodal AI
Author	Alena - Prodigy AI Sol
Published	21 Apr 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/15187/15187.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Social Media workflows Multimodal AI workflows

Frequently asked questions

What does Post top Reddit content to Telegram with GPT-4.1-mini and human approval do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Social Media, Multimodal AI use case.

Alena - Prodigy AI Sol

3 workflows

Nodes

n8n-nodes-base.cron n8n-nodes-base.code @n8n/n8n-nodes-langchain.lmchatopenai @n8n/n8n-nodes-langchain.agent n8n-nodes-base.googlesheets n8n-nodes-base.gmail n8n-nodes-base.if n8n-nodes-base.set

Complexity

advanced

Published 21 Apr 2026

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/15187/15187.json

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Post top Reddit content to Telegram with GPT-4.1-mini and human approval

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

How it works

Set up steps

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Trigger - Cron1

Block 2 - Normalized Fields

Block 3 - Deduplicate (url → title)

Block 4 - Score & Compose

Block 5 - OpenAI Chat Model

Block 6 - Social Posts Generator

Block 7 - Log Fetched Reddit Posts

Block 8 - Send Approval Email

Block 9 - Is Content Approved?

Block 10 - Feedback for decline

Block 11 - Fetch Reddit Posts

Block 12 - Post to Telegram

Block 13 - Log Telegram Post

Block 14 - Sticky Note 0001

Block 15 - Sticky Note 0002

Block 16 - Sticky Note 0003

Block 17 - Sticky Note 0004

Block 18 - Sticky Note 0005

Block 19 - Sticky Note 0006

Block 20 - Sticky Note 0007

Block 21 - Sticky Note 0008

Block 22 - Sticky Note 0009

Block 23 - Shape Reddit Log Row

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions