Generate SQL queries from schema only - AI-powered

Build your own PostgreSQL MCP server

This n8n demonstrates how to build a simple PostgreSQL MCP server to manage your PostgreSQL database such as HR, Payroll, Sale, Inventory and More! This MCP example is based off an official MCP reference implementation which can be found here - How it works A MCP server trigger is used and connected to 5 tools: 2 postgreSQL and 3 custom workflow. The 2 postgreSQL tools are simple read-only queries and as such, the postgreSQL tool can be simply used. The 3 custom workflow tools are used for se

Convert HTML & PDF files to PNG images with CustomJS PDF Toolkit

This n8n workflow shows how to convert PDF files into PNG format with the PDF Toolkit from www.customjs.space. @custom-js/n8n-nodes-pdf-toolkit Notice Community nodes can only be installed on self-hosted instances of n8n. What this workflow does - Generate PDF file from the requested HTML. - Convert the PDF to PNG images. - Use a Code node to handle URLs that point to PDF files. - Convert the PDF to PNG format. Requirements - Self-hosted n8n instance. - CustomJS API key for converting PDF to PNG

Automated error handling with email alerts & smart workflow deactivation

How it works This workflow automatically handles errors in your n8n workflows by: 1. Detecting when an error occurs and capturing the error details 2. Sending an email notification with the error message and affected node 3. Allowing you to deactivate the workflow or ignore the error via email response 4. Optionally rerouting the error notification to another user for approval The workflow includes two templates: a basic version with simple deactivate/ignore options, and an advanced version that

Run scenarios with custom inputs and respond via webhook in Make

Trigger custom scenarios with specific inputs via a webhook in Make, then respond instantly using Custom WebHook, Make: Run a Scenario With Inputs, and Webhook Response.

Identify Segment users from Autopilot events

Every time a new contact is created in Autopilot, Make will automatically identify a user in Segment.

🎓 Learn API Fundamentals with an Interactive Hands-On Tutorial Workflow

How it works This template is an interactive, hands-on tutorial designed to demystify what an API is and how it works, right inside your n8n canvas. It uses a simple restaurant analogy to explain the core concepts: You are the "Client" (an HTTP Request node). The Kitchen is the "Server" (a Webhook node). The API is the Menu and the Waiter—the set of rules for how you can ask for things and get a response. The workflow is a series of self-contained lesso

Create a RAG system with Paul Essays, Milvus, and OpenAI for cited answers

Create a RAG System with Paul Essays, Milvus, and OpenAI for Cited Answers This workflow automates the process of creating a document-based AI retrieval system using Milvus, an open-source vector database. It consists of two main steps: 1. Data collection/processing 2. Retrieval/response generation The system scrapes Paul Graham essays, processes them, and loads them into a Milvus vector store. When users ask questions, it retrieves relevant information and generates responses with citations. St

Telegram AI bot assistant: ready-made template for voice & text messages

Free template for voice & text messages with short-term memory This n8n workflow template is a blueprint for an AI Telegram bot that processes both voice and text messages. Ready to use with minimal setup. The bot remembers the last several messages (10 by default), understands commands and provides responses in HTML. You can easily swap GPT-4 and Whisper for other language and speech-to-text models to suit your needs. Core Features - Text: send or forward messages - Voice: transcr