How to Use the Mail-in-a-Box MCP in VS Code Copilot

Give your engineering team direct Mail-in-a-Box control via this MCP Server inside VS Code Copilot.

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Connect Mail-in-a-Box MCP to VS Code Copilot

Create your Vinkius account to connect Mail-in-a-Box to VS Code Copilot and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Mail-in-a-Box with VS Code Copilot

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Team-Wide Domain Audits

The `list_mail_domains` tool exposes your hosted domains to the entire team right inside VS Code Copilot. A new developer can ask Copilot which domains are active, and the agent fetches the real list. The agent pairs this with `get_system_status` to verify server health before deploying email-dependent code. It catches expired SSL certificates or DNS errors without anyone opening a browser.

Shared Mailbox Provisioning via MCP Server

Using the `create_mail_user` tool, this MCP Server lets developers spin up inboxes for staging environments. Copilot takes the requested email address and password, then hits the API to create the account. When a project ends, Copilot cleans up by executing `delete_mail_user`. It can also reset compromised credentials via `update_user_password` directly from the editor command prompt.

VS Code Copilot Alias Routing

The `create_or_update_alias` tool accepts a comma-separated list of targets to build forwarding rules. Your team can route alert emails to an entire on-call rotation just by asking the agent. Copilot inspects current routing by running `list_mail_aliases` and drops dead rules with `delete_mail_alias`. You manage your entire mail infrastructure as code, right from the IDE.

Setup guide

Set up Mail-in-a-Box MCP in VS Code Copilot

Prerequisites

VS Code 1.99 or later with GitHub Copilot extension
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and run "MCP: Add Server". Select HTTP (Streamable) as the server type. VS Code will create .vscode/mcp.json in your workspace.
2

Add the Mail-in-a-Box MCP

Paste the JSON snippet shown on the right into your .vscode/mcp.json. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Switch to Agent mode

Open Copilot Chat (Cmd+Shift+I / Ctrl+Shift+I) and switch to Agent mode using the dropdown. MCP tools are only available in Agent mode — they do not appear in Edit or Ask modes.
4

Verify the connection

In the Copilot Chat input, type # to list available tools. You should see the Mail-in-a-Box tools listed. Try asking: "List my recent Mail-in-a-Box transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

{
  "mcpServers": {
    "mail-in-a-box-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mail-in-a-Box. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Mail-in-a-Box MCP in VS Code Copilot

Commit a .vscode/mcp.json file to your Git repository. Every developer pulling the repo gets instant access to the server tools.

Yes. Switch Copilot Chat to Agent mode and ask for a health check. It returns the exact status of your DNS and SSL services.

The agent can execute the deletion tool if instructed. You must confirm the action before the API call fires.

You need version 1.96 or higher. Older versions do not support the required protocol configurations.

The server processes sensitive email addresses, passwords, and server metrics directly. Your API token stays local to the machine executing the request. Vinkius runs the process in an ephemeral sandbox that dies immediately after the API returns a response.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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