Engineering Workflows
What are Engineering n8n workflows?
Engineering n8n workflows are reusable automation templates for engineering use cases. This category includes workflows that connect apps, transform data, trigger notifications, sync records, and reduce repetitive manual work. Each listing includes workflow metadata, author attribution, complexity level, relevant categories, source links when available, and a downloadable JSON file for inspection before import. Use this page to compare templates, identify the tools involved, and choose a workflow that fits your workspace before testing it safely in n8n.
Evaluation metric example: RAG document relevance
AI evaluation in n8n This is a template for n8n's evaluation feature. Evaluation is a technique for getting confidenc...
Evaluation metric example: Correctness (judged by AI)
AI evaluation in n8n This is a template for n8n's evaluation feature. Evaluation is a technique for getting confidenc...
Evaluation metric example: categorization
AI evaluation in n8n This is a template for n8n's evaluation feature. Evaluation is a technique for getting confidenc...
Evaluation metric example: Check if tool was called
AI evaluation in n8n This is a template for n8n's evaluation feature. Evaluation is a technique for getting confidenc...
Web site scraper for LLMs with Airtop
Recursive Web Scraping Use Case Automating web scraping with recursive depth is ideal for collecting content across m...
Dynamic AI model router for query optimization with OpenRouter
The Agent Decisioner is a dynamic, AI powered routing system that automatically selects the most appropriate large la...
Control your 3D printer with GPT-4o and OctoPrint API conversations
Ever wanted to just tell your 3d printer what to do remotely? This game changer let's you converse with OpenAI agents...
OpenAI responses API adapter for LLM and AI agent workflows
This n8n template demonstrates how to use OpenAI's Responses API with existing LLM and AI Agent nodes. Though I would...
Create OpenAI-compatible API using GitHub models for free AI access
This n8n template shows you how to connect Github's Free Models to your existing n8n AI workflows. Whilst it is possi...
IOT device control with MQTT and webhook
. IOT device control with MQTT and webhook This workflow is for users wanting a practical example of how to control I...
Improve AI agent system prompts with GPT-4o feedback analysis and email delivery
AI Agent System Prompt 'Auto Tuner' This workflow configures an AI agent which provides an edited system prompt for a...
Query-to-action automation with Bright Data MCP & OpenAI GPT
AI Agent Template with Bright Data MCP Tool Integration This template obtains all the possible tools from Bright Data...
Linking NocoDB records via API 🔗
How it works: The n8n flow grabs the needed IDs, fetches the current links, adds your new one, and sends a single HTT...
Track hourly weather conditions with OpenWeatherMap and Google Sheets
This n8n template allows you to monitor hourly weather conditions in a specific city using OpenWeatherMap and log the...
Automatic jest test generation for GitHub PRs with dual AI review
Workflow: Automatic Unit Test Creator from GitHub ️ Architecture Overview This workflow listens for GitHub pull reque...
Remote IOT sensor monitoring via MQTT and InfluxDB
. Read and store IOT sensor data with the MQTT Trigger and InfluxDB [email protected] This workflow is for use...
Access control for AI agents (RBAC) using Airtable and Telegram
Purpose This workflow allows granular control over the access to tools connected to AI Agents (including Multi Agent...
Prevent concurrent workflow runs using Redis
What does this template do? This workflow sets a small "lock" value in Redis so that only one copy of a long job can...
Secure API endpoint with bearer token authentication and field validation
A reusable and production ready n8n workflow that secures public webhooks using Bearer Token authentication and dynam...
Build an on-premises AI Kaggle competition assistant with Qdrant RAG and Ollama
LLM/RAG Kaggle Development Assistant An on premises, domain specific AI assistant for Kaggle (tested on binary disast...
📊 AI token tracker for WhatsApp & Telegram – Save AI usage to Google Sheets
GPT 4o Token Tracker – Measure AI Usage and Cost via WhatsApp or Telegram Hi! I'm Amanda — I create smart, useful AI...
Convert LLM output into rich Telegram messages — Auto-Media & smart chunking
Telegram Rich Output Helper Workflow Who is this for? Builders of Telegram chat‑bots, AI assistants, or notification...
Conversational PostgreSQL agent with visuals, multi-KPI, and data editing (MCP)
Ask your PostgreSQL database complex questions and receive clear summaries, charts, and even update or insert data —...
PostgreSQL conversational agent with Claude & DeepSeek (Multi-KPI, Secure)
Conversational PostgreSQL Agent Enable AI driven conversations with your PostgreSQL database using a secure and visua...