Content
# SSH MCP Server
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**SSH MCP Server** is a local Model Context Protocol (MCP) server that exposes SSH control for Linux and Windows systems, enabling LLMs and other MCP clients to execute shell commands securely via SSH.
## Contents
- [Quick Start](#quick-start)
- [Features](#features)
- [Installation](#installation)
- [Client Setup](#client-setup)
- [Testing](#testing)
- [Disclaimer](#disclaimer)
- [Support](#support)
## Quick Start
- [Install](#installation) SSH MCP Server
- [Configure](#configuration) SSH MCP Server
- [Set up](#client-setup) your MCP Client (e.g. Claude Desktop, Cursor, etc)
- Execute remote shell commands on your Linux or Windows server via natural language
## Features
- MCP-compliant server exposing SSH capabilities
- Execute shell commands on remote Linux and Windows systems
- Secure authentication via password or SSH key
- Built with TypeScript and the official MCP SDK
- **Configurable timeout protection** with automatic process abortion
- **Graceful timeout handling** - attempts to kill hanging processes before closing connections
### Tools
- `exec`: Execute a shell command on the remote server
- **Parameters:**
- `command` (required): Shell command to execute on the remote SSH server
- **Timeout Configuration:**
- `sudo-exec`: Execute a shell command with sudo elevation
- **Parameters:**
- `command` (required): Shell command to execute as root using sudo
- **Notes:**
- Requires `--sudoPassword` to be set for password-protected sudo
- Can be disabled by passing the `--disableSudo` flag at startup if sudo access is not needed or not available
- For persistent root access, consider using `--suPassword` instead which establishes a root shell
- Tool will not be available at all if server is started with `--disableSudo`
- **Timeout Configuration:**
- Timeout is configured via command line argument `--timeout` (in milliseconds)
- Default timeout: 60000ms (1 minute)
- When a command times out, the server automatically attempts to abort the running process before closing the connection
- **Max Command Length Configuration:**
- Max command characters are configured via `--maxChars`
- Default: `1000`
- No-limit mode: set `--maxChars=none` or any `<= 0` value (e.g. `--maxChars=0`)
## Installation
1. **Clone the repository:**
```bash
git clone https://github.com/tufantunc/ssh-mcp.git
cd ssh-mcp
```
2. **Install dependencies:**
```bash
npm install
```
## Client Setup
You can configure your IDE or LLM like Cursor, Windsurf, Claude Desktop to use this MCP Server.
**Required Parameters:**
- `host`: Hostname or IP of the Linux or Windows server
- `user`: SSH username
**Optional Parameters:**
- `port`: SSH port (default: 22)
- `password`: SSH password (or use `key` for key-based auth)
- `key`: Path to private SSH key
- `sudoPassword`: Password for sudo elevation (when executing commands with sudo)
- `suPassword`: Password for su elevation (when you need a persistent root shell)
- `timeout`: Command execution timeout in milliseconds (default: 60000ms = 1 minute)
- `maxChars`: Maximum allowed characters for the `command` input (default: 1000). Use `none` or `0` to disable the limit.
- `disableSudo`: Flag to disable the `sudo-exec` tool completely. Useful when sudo access is not needed or not available.
```commandline
{
"mcpServers": {
"ssh-mcp": {
"command": "npx",
"args": [
"ssh-mcp",
"-y",
"--",
"--host=1.2.3.4",
"--port=22",
"--user=root",
"--password=pass",
"--key=path/to/key",
"--timeout=30000",
"--maxChars=none"
]
}
}
}
```
### Claude Code
You can add this MCP server to Claude Code using the `claude mcp add` command. This is the recommended method for Claude Code.
**Basic Installation:**
```bash
claude mcp add --transport stdio ssh-mcp -- npx -y ssh-mcp -- --host=YOUR_HOST --user=YOUR_USER --password=YOUR_PASSWORD
```
**Installation Examples:**
**With Password Authentication:**
```bash
claude mcp add --transport stdio ssh-mcp -- npx -y ssh-mcp -- --host=192.168.1.100 --port=22 --user=admin --password=your_password
```
**With SSH Key Authentication:**
```bash
claude mcp add --transport stdio ssh-mcp -- npx -y ssh-mcp -- --host=example.com --user=root --key=/path/to/private/key
```
**With Custom Timeout and No Character Limit:**
```bash
claude mcp add --transport stdio ssh-mcp -- npx -y ssh-mcp -- --host=192.168.1.100 --user=admin --password=your_password --timeout=120000 --maxChars=none
```
**With Sudo and Su Support:**
```bash
claude mcp add --transport stdio ssh-mcp -- npx -y ssh-mcp -- --host=192.168.1.100 --user=admin --password=your_password --sudoPassword=sudo_pass --suPassword=root_pass
```
**Installation Scopes:**
You can specify the scope when adding the server:
- **Local scope** (default): For personal use in the current project
```bash
claude mcp add --transport stdio ssh-mcp --scope local -- npx -y ssh-mcp -- --host=YOUR_HOST --user=YOUR_USER --password=YOUR_PASSWORD
```
- **Project scope**: Share with your team via `.mcp.json` file
```bash
claude mcp add --transport stdio ssh-mcp --scope project -- npx -y ssh-mcp -- --host=YOUR_HOST --user=YOUR_USER --password=YOUR_PASSWORD
```
- **User scope**: Available across all your projects
```bash
claude mcp add --transport stdio ssh-mcp --scope user -- npx -y ssh-mcp -- --host=YOUR_HOST --user=YOUR_USER --password=YOUR_PASSWORD
```
**Verify Installation:**
After adding the server, restart Claude Code and ask Cascade to execute a command:
```
"Can you run 'ls -la' on the remote server?"
```
For more information about MCP in Claude Code, see the [official documentation](https://docs.claude.com/en/docs/claude-code/mcp).
## Testing
You can use the [MCP Inspector](https://modelcontextprotocol.io/docs/tools/inspector) for visual debugging of this MCP Server.
```sh
npm run inspect
```
## Disclaimer
SSH MCP Server is provided under the [MIT License](./LICENSE). Use at your own risk. This project is not affiliated with or endorsed by any SSH or MCP provider.
## Contributing
We welcome contributions! Please see our [Contributing Guidelines](./CONTRIBUTING.md) for more information.
## Code of Conduct
This project follows a [Code of Conduct](./CODE_OF_CONDUCT.md) to ensure a welcoming environment for everyone.
## Support
If you find SSH MCP Server helpful, consider starring the repository or contributing! Pull requests and feedback are welcome.
MCP Store
