Email validation via MCP server on n8n for AI agents

This automation template enables AI agents to validate email addresses through an MCP-compatible server built on n8n. Requests arrive via HTTP API, are processed using Mailcheck Tool, and return structured responses compatible with LangChain.

## Who it´s for
- AI agent developers needing reliable email validation before sending messages or storing data.
- System architects building ecosystems of MCP-compatible microservices.
- Automation engineers using n8n to expose AI tools as external APIs.

## What the automation does
- Accepts HTTP requests from AI agents containing an email parameter.
- Extracts the email from the request context.
- Validates it using Mailcheck Tool.
- Generates a structured JSON response indicating validity or error type.
- Returns the result in LangChain and MCP-compatible format.

## What´s included
- Ready-to-use n8n workflow.
- HTTP webhook trigger logic.
- Integration with Mailcheck Tool.
- Compatibility with LangChain and MCP protocol.
- Basic text instructions for launch and adaptation.

## Requirements for setup
- n8n account (self-hosted or cloud version).
- Access to Mailcheck Tool (or local equivalent implementation).
- Basic understanding of HTTP nodes in n8n.

## Benefits and outcomes
- Early elimination of invalid email addresses.
- Reduced bounce rates and delivery errors.
- Simplified integration of AI agents with external validators.
- Standardized response format for LangChain compatibility.
- Fast setup time — up to 30 minutes.

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via Telegram: @gleb923.