Cygnus SSH MCP Server

What the code does

We read the source, 6 d ago · rules 995398eba69f

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.

            delete_cmd = f"rm -rf {shlex.quote(path)}"

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.

    result = subprocess.run(

    keyfile: Annotated[Optional[str], Field(description="Path to SSH private key file (e.g., ~/.ssh/id_rsa)")] = None,

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 cygnus-ssh-mcp -- uvx cygnus-ssh-mcp

{
  "mcpServers": {
    "cygnus-ssh-mcp": {
      "command": "uvx",
      "args": [
        "cygnus-ssh-mcp"
      ]
    }
  }
}

[mcp_servers.cygnus-ssh-mcp]
command = "uvx"
args = ["cygnus-ssh-mcp"]

{
  "mcpServers": {
    "cygnus-ssh-mcp": {
      "command": "uvx",
      "args": [
        "cygnus-ssh-mcp"
      ]
    }
  }
}

{
  "servers": {
    "cygnus-ssh-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cygnus-ssh-mcp"
      ]
    }
  }
}