Detect Meta Pixel flatlines with Claude and Gmail alerts

by Nocode Expert ✓ · 3 views · created 2026-07-28 · Market Research, AI Summarization

What this workflow does

This workflow has 8 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Gmail. It also calls api.anthropic.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow”.

1. Set config: flatline thresholds (Code): runs custom JavaScript code
2. Fetch pixels & last-fired time (Meta) (HTTP Request): calls an HTTP API
3. Detect flatlined pixels (Code): runs custom JavaScript code
4. Build AI diagnosis prompt (Code): runs custom JavaScript code
5. Diagnose pixel flatlines with Claude AI (HTTP Request): calls api.anthropic.com (POST)
6. Print pixel flatline report (Code): runs custom JavaScript code
7. Send a message (Gmail): uses Gmail

Services it uses

Gmail

HTTP calls to: api.anthropic.com

Before you upgrade to n8n 3.0

Nodes used (4)

• Manual Triggern8n-nodes-base.manualTrigger
• Coden8n-nodes-base.code
• HTTP Requestn8n-nodes-base.httpRequest
• Gmailn8n-nodes-base.gmail

From the author

Quick overview This workflow checks Meta (Facebook) ad account pixels for inactivity using the Meta Marketing API, flags pixels that have stopped firing beyond a defined threshold, asks Anthropic Claude to suggest likely causes and first checks, and emails a…

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