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Mailtrap

Verified Integration
Author: @railsware•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#Filesystem#AI#GitHub#Node.js

Client Configuration

— Connect Mailtrap to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "mailtrap": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mailtrap"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Enables sending transactional emails via Mailtrap within supported applications.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Mailtrap

For Claude Desktop, the config file is located at `~/Library/Application Support/Claude/claude_desktop_config.json` (Mac) or `%APPDATA%\Claude\claude_desktop_config.json` (Windows). For Cursor, it's at `~/.cursor/mcp.json` (Mac) or `%USERPROFILE%\.cursor\mcp.json` (Windows).

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