Shell Command

by egoist

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GitHub Website

About

Secure shell command execution server that allows running system commands in a controlled environment through an allowlist system, returning results in YAML format.

Details

Repository: egoist/shell-command-mcp

Explore

- Executes shell commands via an MCP server.
- Restricts commands using the ALLOWED_COMMANDS environment variable.
- Supports wildcard * to allow any command (potentially dangerous).
- Sponsored by ChatWise.
- Simple stdio-based transport.

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below
Plugin Name Shell Command

Command (node, npx, python, etc.) npx
Arguments
- Argument 1 -y
- Argument 2 shell-command-mcp
Environment
- ALLOWED_COMMANDS cat,ls,echo
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "/c",
                "npx",
                "-y",
                "shell-command-mcp"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "/c",
                "npx",
                "-y",
                "shell-command-mcp"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "/c",
                "npx",
                "-y",
                "shell-command-mcp"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "/c",
                "npx",
                "-y",
                "shell-command-mcp"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "/c",
                "npx",
                "-y",
                "shell-command-mcp"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

From the repository

json { "mcpServers": { "shell-command": { "command": "npx", "args": ["-y", "shell-command-mcp"], "env": { "ALLOWED_COMMANDS": "cat,ls,echo" } } } } ```

`execute_command`

Execute a shell command

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "shell command": {
            "env": {
                "ALLOWED_COMMANDS": "cat,ls,echo"
            },
            "args": [
                "-y",
                "shell-command-mcp"
            ],
            "command": "npx"
        }
    }
}

Linux

{
    "env": {
        "ALLOWED_COMMANDS": "cat,ls,echo"
    },
    "args": [
        "-y",
        "shell-command-mcp"
    ],
    "command": "npx"
}

Macos

{
    "env": {
        "ALLOWED_COMMANDS": "cat,ls,echo"
    },
    "args": [
        "-y",
        "shell-command-mcp"
    ],
    "command": "npx"
}

Windows

{
    "env": {
        "ALLOWED_COMMANDS": "cat,ls,echo"
    },
    "args": [
        "/c",
        "npx",
        "-y",
        "shell-command-mcp"
    ],
    "command": "cmd"
}

MCP server for executing shell commands.

This project is sponsored by ChatWise, an all-in-one LLM chatbot with first-class MCP support.

Usage

Configure manually

```bash

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Shell Command

About

Details

Explore

Setting up with Highlight

Setting up with Cursor

JSON

JSON

JSON

Setting up with Claude Desktop

JSON

JSON

JSON

Setting up with Windsurf

JSON

JSON

JSON

Setting up with Cline

JSON

JSON

JSON

Setting up with Goose

JSON

JSON

JSON

From the repository

`execute_command`

Claude Desktop / Cursor

Linux

Macos

Windows

Usage

Configure manually

Videos about Shell Command

Using Shell Commands To SPEED UP File Editing in Claude

Chapter 6.2: Hacking MCP Servers - Uncovering Vulnerabilities in Model Context Protocol (Part 2)

About

Details

Explore

Setting up with Highlight

From the repository

execute_command

Claude Desktop / Cursor

Linux

Macos

Windows

Usage

Configure manually

Videos about Shell Command

Using Shell Commands To SPEED UP File Editing in Claude

Chapter 6.2: Hacking MCP Servers - Uncovering Vulnerabilities in Model Context Protocol (Part 2)

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