# AI-powered Reddit brand promotion with Claude: n8n workflow

> Started by a clock, and works across Google Sheets and Reddit. It hands the judgement calls to Claude and OpenAI.

Source: https://millionrounds.com/workflow/ai-powered-reddit-brand-promotion-with-claude (Millionrounds; every figure on the page links to its filing or article)

[Automation library](https://millionrounds.com/workflows) · [Data collection](https://millionrounds.com/workflows?category=Data+collection#library)

# AI-powered Reddit brand promotion with Claude

Started by a clock, and works across Google Sheets and Reddit. It hands the judgement calls to Claude and OpenAI. 26 steps, 1 branch, 2 loops or waits: large, and worth reading before you trust it with anything live.

Large Calls a model: Claude, OpenAI

[Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fai-powered-reddit-brand-promotion-with-claude)

**26 steps** Large: read it before trusting it with anything live

**1** Branch: places the flow splits

**2** Loops or waits

**2** Services it connects to

## The flow

Starts it 2 Model 4 Logic 12 Service 8

The steps in the order they run, from what starts it.

- 1 **When clicking ‘Test workflow’** Manual trigger *Starts it*
- 2 **Schedule Trigger (every 4 hours)** Schedule trigger *Starts it*
- 3 **Anthropic Sonnet 4** Lm Chat Anthropic *Model*
- 4 **OpenAI GPT 4o mini** Lm Chat Open Ai *Model*
- 5 **SET KEYWORD** Set *Logic*
- 6 **Compose comments** Agent *Model*
- 7 **Analyze subreddit rules** Agent *Model*
- 8 **Search subreddits** Reddit *Service*
- 9 **Post each comment** Split In Batches *Logic*
- 10 **Can we post on this subreddit?** If *Logic*
- 11 **Filter by Date** Filter *Logic*
- 12 **Merge** Merge *Logic*
- 13 **Writing comment** Reddit *Service*
- 14 **Find relevant post** Reddit *Service*
- 15 **No Operation, do nothing** No Op *Logic*
- 16 **Get subreddits rules** Http Request *Service*
- 17 **Add info to the Report Table** Google Sheets *Service*
- 18 **Merge1** Merge *Logic*
- 19 **Wait to avoid overload errors** Wait *Logic*
- 20 **Filter by date** Filter *Logic*
- 21 **Create new Sheet** Google Sheets *Service*
- 22 **Add info to the Report Table1** Google Sheets *Service*
- 23 **Remove Duplicates** Remove Duplicates *Logic*
- 24 **Define sheet headers** Set *Logic*
- 25 **Get 3 posts** Code *Logic*
- 26 **Add headers to the sheet** Http Request *Service*

## How it's built

- **Starts on:** A clock
- **Steps:** 26, with 1 branch, 2 loops or waits
- **Size:** Large: read it before trusting it with anything live
- **Connects to:** Google Sheets, Reddit
- **Model:** Claude, OpenAI

## Questions

What does it need to run?

An n8n account, plus your own Google Sheets and Reddit accounts, and a key for Claude and OpenAI. You connect your own accounts after importing it; none are included.

What starts it?

It starts on a clock.

Does it use AI?

Yes. It calls Claude and OpenAI. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Take your time. At 26 steps it is large: read it before trusting it with anything live.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

**Before you run it**

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 26 steps before you point it at anything that matters.

## Run it in n8n

- **Create your n8n account** Free to start. n8n is where the workflow runs. [Create an n8n account ↗](https://millionrounds.com/n8n)
- **Download the workflow** Free with a Millionrounds account. [Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fai-powered-reddit-brand-promotion-with-claude)
- **Paste it into n8n** Open a new workflow in n8n and paste. Then connect your own accounts.

Stored with the author's traces removed: canvas notes, instance identifiers, saved credential names and any live document they had left behind.

## Connects to

Each opens the other workflows that use it.

[Google Sheets](https://millionrounds.com/workflows?service=Google+Sheets#library)[Reddit](https://millionrounds.com/workflows?service=Reddit#library)

## Workflows like it

Also data collection, with the same services where possible, closest in size first.

- [**PPC: automate ad scraping and editing with OpenAI** 26 steps · calls a model · Google Drive, Google Sheets](https://millionrounds.com/workflow/ppc-automate-ad-scraping-and-editing-with-openai)
- [**Scrape Skool community data with Olostep API and Google Sheets** 26 steps · calls a model · Google Sheets](https://millionrounds.com/workflow/scrape-skool-community-data-with-olostep-api-and-google-shee)
- [**Trend hunter with BrightData** 26 steps · calls a model · Gmail, Google Sheets](https://millionrounds.com/workflow/trend-hunter-with-brightdata)
- [**CSV to HubSpot Uploader with Google Sheets Integration** 26 steps · Google Sheets](https://millionrounds.com/workflow/csv-to-hubspot-uploader-with-google-sheets-integration)
- [**Prepare Whisk AI product image briefs with Google Sheets** 26 steps · Google Drive, Google Sheets](https://millionrounds.com/workflow/prepare-whisk-ai-product-image-briefs-with-google-sheets)
- [**Recover unclaimed credits from Gmail with OpenRouter** 26 steps · Gmail, Google Sheets](https://millionrounds.com/workflow/recover-unclaimed-credits-from-gmail-with-openrouter)