Slack RAG Recommendations with Pinecone & GPT-4o

This advanced n8n workflow implements Retrieval-Augmented Generation (RAG) for real-time, contextual recommendations directly in Slack. It starts by monitoring Slack channels for mentions or messages, using GPT-4o to parse inputs for subjects, people, and Google Drive links. Files are automatically downloaded and extracted, while metadata is fetched from Google Sheets and semantically similar documents are retrieved from Pinecone with reranking for relevance. The core magic happens in the RAG s