Auto-respond to Slack messages as yourself using GPT and Google Docs RAG

💬 GPT-5 Slack Impersonation Agent with RAG – Auto-Respond to Messages Using Live Project Docs

Let AI handle your Slack conversations — and always have the right answer. This n8n workflow transforms GPT-5 into your on-brand Slack assistant, capable of responding as you in real-time while referencing a Google Docs RAG (Retrieval-Augmented Generation) document for accurate project updates.

Watch step-by-step build like these on: https://www.youtube.com/@automatewithmarc

Here’s how it works:

Listens for Slack mentions or messages — triggered instantly when someone talks to you.

Understands the conversation context using GPT-5 and conversation memory.

Retrieves the latest project updates from your linked Google Doc via RAG.

Responds in Slack as you — maintaining your tone, style, and workplace personality.