Skylos MCP Server

What the code does

We read the source, 20 h ago · rules 995398eba69f

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

        fixture_result = subprocess.run(

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

    "doas": frozenset({"-u", "-C"}),

        "metadata.google.internal",

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 proc = spawn(bin, fullArgs, { cwd: root });

    return path.isAbsolute(configured) ? configured : path.join(root, configured);

            result = subprocess.run(

        for path in _paths(payload, root, shell=True)[0]:

        return yaml.load(text, Loader=yaml.CSafeLoader)

    def eval(self, node, frame):

    env: dict[str, str] = field(default_factory=lambda: dict(os.environ))

            files.append(current / ".npmrc")

        for current, dirs, names in os.walk(self.root):

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

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.

claude mcp add skylos -- uvx skylos

{
  "mcpServers": {
    "skylos": {
      "command": "uvx",
      "args": [
        "skylos"
      ]
    }
  }
}

[mcp_servers.skylos]
command = "uvx"
args = ["skylos"]

{
  "mcpServers": {
    "skylos": {
      "command": "uvx",
      "args": [
        "skylos"
      ]
    }
  }
}

{
  "servers": {
    "skylos": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "skylos"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: SKYLOS_API_KEY (Skylos API key for cloud features and MCP authentication).