Generate LinkedIn agency content with GPT‑4o, Claude 4.5 and Gemini

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Built by Ailin Werner Ailin Werner
Created on June 07, 2026

Description

The Multi-Model Agency Content Engine is a high-performance editorial system designed for agencies. It solves the "blank page" problem by alternating between real-world social proof and strategic expertise.

Features
Dual-Track Logic: Automatically switches between Portfolio Case Studies (via Google Drive) and Strategic Thought Leadership (via Google Sheets).

Triple-AI Brain: Parallel processing using GPT-4o, Claude 4.5, and Gemini 1.5 to provide three distinct strategic angles for every post.

Human-in-the-Loop: Interactive Gmail approval system - review drafts side-by-side and approve with a single letter reply.

Clean Formatting: Custom code logic that strips AI artifacts and enforces LinkedIn-optimized typography.

Enterprise Reliability: Includes a global error-handling branch with instant email alerts.

Nodes Used (9)

AI Agent
@n8n/n8n-nodes-langchain.agent
Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic
Code
n8n-nodes-base.code
Gmail
n8n-nodes-base.gmail
Google Drive
n8n-nodes-base.googleDrive
Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini
Google Sheets
n8n-nodes-base.googleSheets
HTTP Request
n8n-nodes-base.httpRequest
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi