AI agent to chat with Supabase/PostgreSQL DB

Build a PDF-based RAG system with OpenAI, Pinecone and Cohere reranking

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. This workflow provides a complete, ready-to-use template for a Retrieval-Augmented Generation (RAG) system. It allows you to build a powerful AI chatbot that can answer questions based on the content of PDF documents you provide, using a modern and powerful stack for optimal performance. Good to know Costs: This workflow uses paid services (OpenAI, Pinecone, Cohere). Costs will

Iterative content refinement with GPT-4 multi-agent feedback system

Who's it for This workflow is designed for users who want to implement iterative AI-powered content improvement processes. It's ideal for content creators, marketers, product managers, and anyone who needs to refine ideas through multiple rounds of critique and enhancement until they meet quality standards. How it works The workflow creates a sophisticated feedback loop using three specialized AI agents that work together to continuously improve content. Starting with an initial i

Update Google Sheets rows based on ChatGPT Assistant responses

Automatically update Google Sheets rows with AI-generated insights. Triggered by new data, ChatGPT Assistant processes messages and your spreadsheet updates efficiently.

Google Maps to Airtable lead scraper with GPT contact extraction from impressum

How it Works This workflow automates the process of discovering companies in different cities, extracting their contact data, and storing it in Airtable. 1. City Loop (Airtable → Google Maps API) - Reads a list of cities from Airtable. - Uses each city combined with a search term (e.g., SEO Agency, Berlin) to query Google Maps. - Marks processed cities as “checked” to allow safe restarts if interrupted. 2. Business Discovery & Deduplication - Searches for businesses via Google Maps Te

Automated HR screening with VAPI AI calls, Gemini analysis & Google Sheets

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. This n8n template automates candidate outreach, call transcription, and structured feedback capture for HR teams and recruiters. It triggers on a new candidate row added in a Google Sheet, initiates a call using Vapi.ai, processes the transcript using Google Gemini, extracts key information like CTC, experience, and notice period, and then updates the same Google Sheet with parsed insights. This

Avoid Asking Redundant Questions with Dynamically Generated Forms using OpenAI

Avoid Asking Redundant Questions with Dynamically Generated Forms using OpenAI Target Audience This workflow has been built for those who require a form to capture as much data as possible as well as the answers to predefined questions, whilst optimising the user experience by avoiding asking redundant questions. Use Case When creating a form to capture information, it can be useful to give the user an opportunity to input a long answer to a large, open-ended question. We then want to drill dow

WooCommerce AI post-sales chatbot with GPT-4o, RAG, Google Drive and Telegram

This WooCommerce-integrated chatbot is designed to transform post-sales customer support by combining automation and artificial intelligence to deliver fast, secure, and personalized assistance. The chatbot retrieves real-time order information, including shipping details and tracking numbers, after verifying the customer's identity through a strict email-based authentication system. Beyond order management, the chatbot answers frequently asked questions about return policies, delivery times, a

AI-powered Gmail MCP server

AI-Powered Gmail MCP Server for n8n Description This n8n workflow template leverages an external AI Model Control Plane (MCP) Server to automate various Gmail tasks, such as composing emails, replying to threads, and handling follow-ups using dynamically generated content. It uses the native n8n Gmail nodes available from v1.88.0 onwards. Who is this template for? Ideal for developers, automation engineers, and power users using self-hosted n8n (v1.88.0+) who want to integrate artificial intelli