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MCP server · Communication

Hl MCP Send Email

· github.com/rst77/hl-mcp-send-email
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Scored 6 months ago · breakdown

About Hl MCP Send Email

Hl MCP Send Email is an MCP server in the Communication category.

Install

From source
git clone https://github.com/rst77/hl-mcp-send-email

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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README

MCP Send Email - Helidon MCP Server Example

Description

This is an example MCP (Model Context Protocol) Server project built with the Helidon framework.

The project implements a basic MCP server that provides a simple tool for simulating email sending, demonstrating how to create MCP servers using Java and Helidon.

Purpose

This project is part of a series of examples with increasing complexity developed for studying Java in conjunction with LLM (Large Language Models). The goal is to provide a practical foundation for understanding how to build MCP servers that can be used by AI agents and LLM-based assistants.

Technologies

  • Java (JDK 17+)
  • Helidon 4.3.1 (Helidon SE)
  • MCP (Model Context Protocol)
  • Maven (dependency management and build)

Project Structure

The project contains:

  • McpServer.java: MCP server implementation with:

    • sendEmail: Tool for simulated email sending
    • sendEmailPrompt: Example prompt for LLM interaction

  • Main.java: Main class that initializes the server

Features

Tool: Send Email

Tool that simulates sending an email with the following parameters:

  • from: Sender's email address
  • to: Recipient's email address(es)
  • subject: Email subject
  • body: Email body

Prompt: Send Email Prompt

Example prompt demonstrating how to structure an email sending request for use by an LLM.

How to Run

Prerequisites

  • Java JDK 17 or higher
  • Maven 3.8+

Build

mvn clean package

Run

mvn exec:java -Dexec.mainClass="com.r13a.mcp.sendemail.Main"

Or run the generated JAR:

java -jar target/mcp-send-email.jar

The server will start on port 8080 (configurable in application.yaml).

Configuration

Server configuration can be adjusted in the src/main/resources/application.yaml file:

server:
  port: 8080
  host: 0.0.0.0

Next Steps

This is the initial project in the series. Subsequent projects will include:

  • Integration with real email sending APIs
  • Authentication and authorization
  • Data persistence
  • More complex MCP tools
  • Integration with multiple services

Resources

License

This is a sample project for educational purposes.

Author

Developed as part of a series of studies on Java and LLM.

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About Hl MCP Send Email

How do I install Hl MCP Send Email?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Hl MCP Send Email safe to use with an AI agent?

Its trust score is 30 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Hl MCP Send Email still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.