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@kikin/mailsac-mcp

v1.0.1

Published

MCP server for Mailsac email testing service

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

acron0acron0

Keywords

mcpmodel-context-protocolmailsacemail-testingclaudeai

Readme

Mailsac MCP Server

A comprehensive Model Context Protocol (MCP) server that provides access to all major Mailsac API endpoints for email testing and management.

Prerequisites

  1. Mailsac Account: Sign up at mailsac.com
  2. API Key: Get your API key from Mailsac API Keys page
  3. Node.js: Version 16 or higher

Installation

Option 1: Install from npm (Recommended)

npm install -g @kikin/mailsac-mcp

Option 2: Clone and build from source

  1. Clone this repository:
git clone <repository-url>
cd mailsac-mcp
  1. Install dependencies:
npm install
  1. Compile TypeScript:
npx tsc

Usage with Claude Code

Add this MCP server to Claude Code:

claude mcp add mailsac -s user npx @kikin/mailsac-mcp --env MAILSAC_KEY=your_api_key_here

Usage with Claude Desktop

Add this MCP server to your Claude Desktop configuration file:

Configuration file locations:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%/Claude/claude_desktop_config.json
  • Linux: ~/.config/Claude/claude_desktop_config.json

Configuration:

{
  "mcpServers": {
    "mailsac": {
      "command": "npx",
      "args": ["@kikin/mailsac-mcp"],
      "env": {
        "MAILSAC_KEY": "your_api_key_here"
      }
    }
  }
}

Usage with Other MCP Clients

You can also use this server with any other MCP-compatible client by running:

MAILSAC_KEY=your_api_key_here npx @kikin/mailsac-mcp

Example Usage

Once connected to Claude Desktop, you can use natural language to interact with Mailsac:

"Create a new email address [email protected] and set up forwarding to [email protected]"

"List all messages in the inbox for [email protected]"

"Get the plaintext content of message ID abc123 from [email protected]"

"Validate these email addresses: [[email protected], [email protected]]"

"Delete all messages from the [email protected] inbox"

"Show me the top public email domains by message volume"

Development

This project uses FastMCP for MCP server development.

Development Mode with Inspector

For development with the FastMCP inspector (recommended):

npx fastmcp dev index.ts

This provides:

  • Hot reload on file changes
  • Web-based inspector at http://localhost:3001
  • Interactive tool testing
  • Real-time debugging

Alternative: Manual Development

# Compile TypeScript
npx tsc

# Run the server
MAILSAC_KEY=your_api_key_here node index.js

Watch Mode

npx tsc --watch

FastMCP Inspector

Use the FastMCP inspector for interactive development:

npx fastmcp inspect index.ts

License

MIT - Same as the Mailsac TypeScript SDK

Support

Related Links