Ai email auto-responder system- AI RAG agent for email inbox

AI Email Auto-Responder – Smart Client Reply Automation with RAG This workflow is built for individuals, teams, and businesses that receive regular inquiries via email and want to automate responses in a way that’s intelligent, brand-aligned, and always up to date. Its core purpose is to generate high-quality, professional email replies using internal company data, brand voice, and semantic search — fully automated through Gmail, Pinecone, and OpenAI. The system is divided into three steps. First, it allows you to index your internal knowledge base (Docs, Sheets, PDFs) with embeddings. Second, it injects a consistent brand brief into every interaction to ensure tone and positioning. Finally,

Help me set up the n8n workflow "Ai email auto-responder system- AI RAG agent for email inbox" (https://n8n.io/workflows/4748). It uses: Google Drive, Gmail, Notion, Google Docs, AI Agent, Basic LLM Chain, Embeddings OpenAI, OpenAI Chat Model, Simple Memory, Recursive Character Text Splitter, Call n8n Workflow Tool, Pinecone Vector Store, Default Data Loader, Vector Store Question Answer Tool. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.