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Mailtrap MCP Server for VS Code CopilotGive VS Code Copilot instant access to 12 tools to Clear Sandbox Inbox, Delete Sandbox Message, Get Domain Status, and more

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GitHub Copilot in VS Code is the most widely adopted AI coding assistant, embedded directly into the world's most popular code editor. With MCP support in Agent mode, Copilot can access external data and APIs to generate context-aware code grounded in real-time information.

Use with Your AI Agent

Ask AI about this App Connector for VS Code Copilot

Open in ChatGPT Open in Claude Open in Perplexity

The Mailtrap app connector for VS Code Copilot is a standout in the Developer Tools category — giving your AI agent 12 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

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Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Mailtrap and 3,400+ MCP Servers from a single visual interface.

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Download Free Open SourceNo signup required
Classic Setup·json
{
  "mcpServers": {
    "mailtrap": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}
Mailtrap
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Mailtrap MCP Server

Connect your Mailtrap account to any AI agent and manage email testing and delivery through natural conversation.

GitHub Copilot Agent mode brings Mailtrap data directly into your VS Code workflow. With a project-scoped config, the entire team shares access to 12 tools. Copilot queries live data, generates typed code, and writes tests from actual API responses, all without leaving the editor.

What you can do

  • Email Sending — Send transactional emails via the Mailtrap API
  • Inbox Testing — Browse testing inboxes and inspect captured emails
  • Message Analysis — Analyze email HTML, spam scores, and headers
  • Delivery Analytics — Track opens, clicks, bounces, and delivery rates
  • Project Management — Manage testing projects and inboxes
  • Account Management — Switch between connected accounts and domains

The Mailtrap MCP Server exposes 12 tools through the Vinkius. Connect it to VS Code Copilot in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 12 Mailtrap tools available for VS Code Copilot

When VS Code Copilot connects to Mailtrap through Vinkius, your AI agent gets direct access to every tool listed below — spanning email-sandbox, smtp-testing, email-debugging, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

clear_sandbox_inbox

Delete all emails in inbox

delete_sandbox_message

Delete captured email

get_domain_status

Get domain details

get_message_details

Get message metadata

get_message_html

Get email HTML body

list_accessible_accounts

Get user accounts

list_mailtrap_projects

List account projects

list_sandbox_messages

List messages in inbox

list_sandboxes

List virtual inboxes

list_verified_domains

List sending domains

send_production_email

Send email in production

send_test_email

Send test email to sandbox

Connect Mailtrap to VS Code Copilot via MCP

Follow these steps to wire Mailtrap into VS Code Copilot. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

01

Create MCP config

Create a .vscode/mcp.json file in your project root
02

Add the server config

Paste the JSON configuration above
03

Enable Agent mode

Open GitHub Copilot Chat and switch to Agent mode using the dropdown
04

Start using Mailtrap

Ask Copilot: "Using Mailtrap, help me...". 12 tools available

Why Use VS Code Copilot with the Mailtrap MCP Server

GitHub Copilot for Visual Studio Code provides unique advantages when paired with Mailtrap through the Model Context Protocol.

01

VS Code is used by over 70% of developers. adding MCP tools to Copilot means your team can leverage external data without leaving their primary editor

02

Project-scoped MCP configs (`.vscode/mcp.json`) let you commit server configurations to your repository, ensuring the entire team shares the same tool access

03

Copilot's Agent mode integrates MCP tools seamlessly with file editing, terminal commands, and workspace search in a single agentic loop

04

GitHub's enterprise compliance and audit features extend to MCP tool usage, providing visibility into how AI interacts with external services

Mailtrap + VS Code Copilot Use Cases

Practical scenarios where VS Code Copilot combined with the Mailtrap MCP Server delivers measurable value.

01

Live API integration: Copilot can query an MCP server, inspect the response schema, and generate typed API client code in the same step

02

DevSecOps workflows: security teams can give developers access to domain intelligence tools directly in their editor for real-time vulnerability assessment during code review

03

Data pipeline development: Copilot fetches sample data via MCP and generates transformation scripts, validators, and test fixtures from actual API responses

04

Documentation generation: Copilot queries available tools and auto-generates README sections, API reference docs, and usage examples

Example Prompts for Mailtrap in VS Code Copilot

Ready-to-use prompts you can give your VS Code Copilot agent to start working with Mailtrap immediately.

01

"Show testing inboxes and recent captured emails."

02

"Show transactional sending analytics for this week."

03

"Analyze the spam score for the last captured email."

Troubleshooting Mailtrap MCP Server with VS Code Copilot

Common issues when connecting Mailtrap to VS Code Copilot through the Vinkius, and how to resolve them.

01

MCP tools not available

Ensure you are in Agent mode in Copilot Chat. MCP tools only appear in Agent mode.

Mailtrap + VS Code Copilot FAQ

Common questions about integrating Mailtrap MCP Server with VS Code Copilot.

01

Which VS Code version supports MCP?

MCP support requires VS Code 1.99 or later with the GitHub Copilot extension. Ensure both are updated to the latest version. Older versions of Copilot may not expose the Agent mode toggle.
02

How do I switch to Agent mode?

Open the Copilot Chat panel and look for two mode options: "Ask" and "Agent". Click "Agent" to enable autonomous tool calling. In Ask mode, Copilot provides conversational answers but cannot invoke MCP tools.
03

Can I restrict which MCP tools Copilot can access?

Yes. VS Code shows a tool consent dialog before any MCP tool is invoked for the first time. You can also configure tool access policies at the organization level through GitHub Copilot settings.
04

Does MCP work in VS Code Remote or Codespaces?

Yes. MCP servers configured via .vscode/mcp.json work in Remote SSH, WSL, and GitHub Codespaces environments. The MCP connection is established from the remote host, so ensure the server URL is accessible from that environment.