N8N Workflows filtra per Engineering

Remote IOT Sensor monitoring via MQTT and InfluxDB

. Read and store IOT sensor data with the MQTT Trigger and InfluxDB tonyduffy@protonmail.com This workflow is for users wanting...

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 setups) using Role...

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...

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 dynamic request validation. ✨ What...

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 disaster-tweet classification), combining LLM, an n8n...

📊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...

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 services who already run n8n and need...

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 — all through...

PostgreSQL Conversational Agent with Claude & DeepSeek (Multi-KPI, Secure)

🧠 Conversational PostgreSQL Agent Enable AI-driven conversations with your PostgreSQL database using a secure and visual-free agent powered by n8n’s...

Build an MCP Server with Airtable

Who is this for? This template is designed for anyone who wants to integrate MCP with their AI Agents using...

Retrieve NASA Space Weather & Asteroid Data with GPT-4o-mini and Telegram

Who is this for? This workflow is intended for researchers, educators, developers, media publications, scientists, engineers, science teachers, researchers &...

Standardize US Phone Numbers with Multiple Format Options and Validation

Workflow Overview: This n8n workflow template takes a US phone number as input, validates it, and returns it in multiple...

Build your own N8N Workflows MCP Server

This n8n template shows you how to create an MCP server out of your existing n8n workflows. With this, any...

Email Assistant: Convert Natural Language to SQL Queries with Phi4-mini and PostgreSQL

Who is this for? 🧑🏻🫱🏻‍🫲🏻🤖 Humans and Robots alike. This workflow can be used as a Chat Trigger, as well...

Check Which AI Models Are Used in Your Workflows

How it works Fetch all workflows from your n8n instance. Filter workflows that contain nodes with a modelId setting. Extract...

Compare Different LLM Responses Side-by-Side with Google Sheets

This workflow allows you to easily evaluate and compare the outputs of two language models (LLMs) before choosing one for...

MCP Supabase Agent – Manage Your Database with AI

Hi, I’m Amanda 🌷 This workflow was built with love to help you manage your Supabase database using natural language,...

Build your own Qdrant Vector Store MCP server

This n8n demonstrates how to build your own Qdrant MCP server to extend its functionality beyond that of the official...

Build your own SQLite MCP server

This template is for Self-Hosted N8N Instances only. This n8n demonstrates how to build a simple SQLite MCP server to...

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,...