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smbCloud Mail & Auth MCP Server

local only

smbCloud Mail & Auth runs on your own machine — the client starts it, so there is no endpoint to ping. 84 installs a week from npm. Last commit 10 Sep 2026.

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

Installs per day peak 88 · avg 15 · +102% w/w
a month agotoday
84
Installs / week
npm · @smbcloud/cli
7
Stars
1 open issues
10 Sep 2026
Last commit
0 releases in 90 days
License
Rust

What the code does

We read the source, 18 h ago · rules 3dff92dd89df

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.

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

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add smbcloud-cli -- npx -y @smbcloud/cli
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "smbcloud-cli": {
      "args": [
        "-y",
        "@smbcloud/cli"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.smbcloud-cli]
command = "npx"
args = ["-y", "@smbcloud/cli"]
.cursor/mcp.json
{
  "mcpServers": {
    "smbcloud-cli": {
      "args": [
        "-y",
        "@smbcloud/cli"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "smbcloud-cli": {
      "args": [
        "-y",
        "@smbcloud/cli"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: SMB_MAIL_API_KEY (Mail app API key (smb_mail_...) used by the mail_send tool. Optional: every other tool uses the session from `smb login`.). The author declared them in the registry entry; get the values from the project itself.

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smbCloud Mail & Auth — questions

Answers built from our own checks of this server.

Why is there no uptime for smbCloud Mail & Auth?
smbCloud Mail & Auth runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @smbcloud/cli was installed 84 times last week.
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 with the file path that client actually reads. It runs locally, so the command pulls @smbcloud/cli straight from npm; nothing to host, nothing to sign up for.
How many people use smbCloud Mail & Auth?
The npm package @smbcloud/cli was installed 84 times in the last week. Week over week that is +102%. 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?
We cannot say either way: written in Rust, 7 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.