Create and validate Meta ad copy with GPT-4o, OriginalVoices, and Sheets
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 10 nodes and runs when someone submits an n8n form (“Meta Ad Copy Generator”). Along the way it connects OpenAI Chat Model, MCP Client and Google Sheets.
How it runs
Trigger: When someone submits an n8n form (“Meta Ad Copy Generator”).
- Generate 50 Variations (AI Agent): runs an AI agent, with model: OpenAI Chat Model
- Parse Variations (Code): runs custom JavaScript code
- Filter & Validate with Digital Twins (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 1 tool (OriginalVoices Digital Twins)
- Parse Results (Code): runs custom JavaScript code
- Format for Sheets (Code): runs custom JavaScript code
- Write to Google Sheet (Google Sheets): append
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (6)
- n8n Form Trigger
n8n-nodes-base.formTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Code
n8n-nodes-base.code - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - Google Sheets
n8n-nodes-base.googleSheets
From the author
Generate 50 Meta ad copy variations informed by target audience insights, then validate with real human feedback to identify the top 10 performers — all before spending a dollar on ads. Why This Matters Traditional ad copy generation relies on AI guesswork…