Build your own PostgreSQL MCP server

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

Generate SQL queries from schema only - AI-powered

This workflow is a modification of the previous template on how to create an SQL agent with LangChain and SQLite. The key difference – the agent has access only to the database schema, not to the actual data. To achieve this, SQL queries are made outside the AI Agent node, and the results are never passed back to the agent. This approach allows the agent to generate SQL queries based on the structure of tables and their relationships, without having to access the actual data. This makes the proc

Identify Segment users from Autopilot events

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

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

Compare lists and identify common items & differences using custom keys

This workflow compares two lists of objects (List A and List B) using a user-specified key (e.g. email, id, domain) and returns: - Items common to both lists (based on the key) - Items only in List A - Items only in List B How it works: 1. Accepts a JSON input containing: - listA: the first list of items - listB: the second list of items - key: the field name to use for comparison 2. Performs a field-based comparison using the specified key 3. Returns a structured output: - common: items wit

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.

Qualify Idealista leads via WhatsApp with Superchat and GPT-4o

Who's it for This template is built for real estate agencies and agents in Spain, Italy, and Portugal who receive property inquiries through Idealista and want to respond to leads faster using automation and AI. How it works The workflow monitors your inbox for new emails and filters for messages from Idealista. When a match is found, an AI agent extracts key lead details like name, phone number, and property reference from the unstructured email. A WhatsApp template message is then automaticall

Automated new hire appointment letters with Google Docs, HR approval & Gmail

This n8n template demonstrates automating an appointment letter creation process using a template and then having the HR approve before emailing the appointment letter to the candidate. How it works 1. Create an appointment letter template. e.g "Appointment Letter.doc" on Google Drive 2. Form Submission node - Create a form trigger with the required fields that need to be capture as part of the appointment letter. Eg. Candidate Name, Position offered, Salary, Date of Joining, Candidate ema