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TL;DR

Mailtrap is a Communication MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent email testing and sending via Mailtrap API. Install in 1 minute with mcpizy install mailtrap.

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Mailtrap

Communication

Last updated May 30, 2026 · By MCPizy team

Email testing and sending via Mailtrap API. Safe email testing for development environments.

Install Mailtrap

Via MCPizy CLI (recommended):
mcpizy install mailtrap
Or run directly:
npx -y @mailtrap/mcp
View on GitHub

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

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Key Takeaways

  • Mailtrap exposes an MCP interface for communication workflows in Claude Code, Cursor and Windsurf.
  • No authentication required — works out of the box once installed.
  • Install in 1 command: mcpizy install mailtrap — config written to your client automatically.
  • Free and open source (GitHub source linked above) — verified compatible with every MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, VS Code + Copilot).
  • Best use case: automate communication workflows from your AI agent without leaving the editor.

Frequently asked questions

What is the Mailtrap MCP server?

The Mailtrap MCP server is an Communication Model Context Protocol server that lets Claude Code, Cursor, Windsurf, VS Code with Copilot, and other MCP-compatible AI agents email testing and sending via Mailtrap API. It exposes Mailtrap's capabilities as tools the AI can call directly from your editor or CLI.

How do I install Mailtrap MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install mailtrap` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y @mailtrap/mcp` and restarting Claude Code.

Is Mailtrap MCP free?

Yes. The Mailtrap MCP server is free and open source (see the GitHub repository linked on this page). You may still need a Mailtrap account or API key to connect the server to the underlying service, but the MCP layer itself has no MCPizy subscription cost.

Does Mailtrap MCP work with Cursor and Windsurf?

Yes. Any MCP-compatible client works — including Claude Code, Claude Desktop, Cursor (via `.cursor/mcp.json`), Windsurf, VS Code with Copilot Chat, and custom agents built on the MCP SDK. The same install command targets all of them; only the config file path differs.

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What can I do with Mailtrap MCP?

Once installed, your AI agent can email testing and sending via Mailtrap API directly inside your conversation. Typical use cases include asking Claude Code or Cursor to run Mailtrap operations, inspect results, chain Mailtrap with other MCP servers (see our Workflow Recipes), and automate repetitive communication tasks without leaving your editor.