smbCloud Mail & Auth MCP Server

by smbcloudxyz Your server? Claim it

answering

smbCloud Mail & Auth is answering right now. Last checked 1 min ago. 326 installs a week from npm. Last commit 31 Oct 2026.

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

Installs per day peak 305 · avg 26 · +462% w/w

a month agotoday

Uptime history 13 days of history

13 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

97 ms

Response time

average over 24h

326

Installs / week

npm and PyPI

What the code does

We read the source, 1 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command npm/smbcloud-cli/src/index.ts:39, npm/xcrs/src/index.ts:39

    const processResult = spawnSync(getExePath(), args, { stdio: "inherit" });

Runs an external command nuget/smbcloud-cli/Program.cs:103, nuget/xcrs/Program.cs:103

        using Process process = Process.Start(startInfo)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add smbcloud-cli --transport http https://api.smbcloud.xyz/v1/mcp

Settings → Connectors → Add custom connector, then paste this address

https://api.smbcloud.xyz/v1/mcp

~/.codex/config.toml

[mcp_servers.smbcloud-cli]
url = "https://api.smbcloud.xyz/v1/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "smbcloud-cli": {
      "url": "https://api.smbcloud.xyz/v1/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "smbcloud-cli": {
      "type": "http",
      "url": "https://api.smbcloud.xyz/v1/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but you need an API key from its owner to call it.

Endpoints

URL	Transport	State	Latency	Checked
https://api.smbcloud.xyz/v1/mcp	streamable-http	needs key	77 ms	1 min ago

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smbCloud Mail & Auth — questions

Answers built from our own checks of this server.

Why is there no tool list for smbCloud Mail & Auth?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.

Is smbCloud Mail & Auth working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 97 ms. The bar chart above shows every period we have measured.

How do I connect smbCloud Mail & Auth?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own key: it refuses anonymous clients.

Does smbCloud Mail & Auth need an API key?

Yes. Every time we knock, smbCloud Mail & Auth answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is smbCloud Mail & Auth?

It answers our handshake in 97 ms on average, which is faster than 93% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use smbCloud Mail & Auth?

The npm package @smbcloud/cli was installed 326 times in the last week. Week over week that is +462%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is smbCloud Mail & Auth open source?

The code is open source: it is published under the Apache-2.0 licence, written in Rust, 12 stars on GitHub and 2 open issues. The licence covers the code in the repository, not the hosted service at api.smbcloud.xyz, which runs on its operator's own terms.