cygnus-ssh-mcp 1.0.0

MCP server for SSH remote server management

cygnus-ssh-mcp

An MCP (Model Context Protocol) server for SSH remote server management. Enables AI assistants like Claude to execute commands, manage files, and perform system administration tasks on remote Linux servers.

Features

• Command Execution: Run commands with timeout control and background process support
• File Operations: Read, write, edit, search files and directories
• Process Management: Background tasks, process monitoring, interruption
• Sudo Support: Elevated privileges with password or passwordless sudo
• Multi-Auth: Password or SSH key authentication (with passphrase support)
• Host Management: TOML-based configuration with aliases

Installation

pip install cygnus-ssh-mcp

Or with uvx:

uvx cygnus-ssh-mcp

Quick Start

1. Create a hosts configuration file

Create ~/.mcp_ssh_hosts.toml:

[[e-mail]]
password = "your_password"
port = 22
alias = "myserver"
description = "My production server"

# Or with SSH key
[[e-mail]]
keyfile = "~/.ssh/id_ed25519"
port = 22
alias = "deploy"

2. Configure Claude Desktop

Add to your Claude Desktop config (claude_desktop_config.json):

{
  "mcpServers": {
    "ssh": {
      "command": "cygnus-ssh-mcp",
      "args": ["--config", "/path/to/.mcp_ssh_hosts.toml"]
    }
  }
}

3. Connect and use

In Claude, connect to a host:

Connect to myserver

Then run commands:

Show disk usage on the server

Documentation

See the docs/ folder for detailed documentation:

• Overview
• Installation
• Platform Compatibility
• Host Configuration
• Tools Reference
• Command Execution
• Process Management
• Logging
• Claude Desktop Setup

Available Tools

Tool	Description
ssh_conn_connect	Connect to a configured host
ssh_cmd_run	Execute a command
ssh_cmd_run_sudo	Execute with sudo
ssh_file_read	Read file contents
ssh_file_write	Write to a file
ssh_file_edit	Edit file with search/replace
ssh_dir_list	List directory contents
ssh_task_start	Start background task
ssh_task_status	Check task status
... and more

See Tools Reference for the complete list.

License

GPL-3.0 - See LICENSE for details.

Author

Peter Ritter