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PermShell MCP

by mcollina
GitHub
TypeScript
MIT License
1
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PermShell MCP

A Model Context Protocol (MCP) server for executing shell commands with permission notifications.

Features

  • Execute shell commands with explicit permissions through growl notifications
  • Built on the Model Context Protocol for standardized LLM tools
  • Multiple safeguards to prevent unauthorized command execution
  • Transparent permission dialog shows exactly what commands will be executed

Installation

# Clone the repository git clone https://github.com/yourusername/perm-shell-mcp.git cd perm-shell-mcp # Install dependencies npm install # Build the project npm run build

Usage

As a standalone tool

# Start the server directly npm start

With Claude Desktop

Add the following configuration to your Claude Desktop configuration file:

{ "mcpServers": { "permshell": { "command": "node", "args": ["/path/to/perm-shell-mcp/dist/index.js"] } } }

Available Tools

execute-command

Executes a shell command with permission.

Example:

Can you list the files in my home directory?
system-info

Retrieves system information including OS, uptime, memory, disk, and CPU.

Example:

What's my system information?

Security

  • All commands require explicit permission through desktop notifications
  • Commands display with their working directory for full transparency
  • Timeout limits prevent runaway processes
  • Input sanitization prevents command injection

Development

# Run in watch mode for development npm run dev

This server cannot be installed

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security - not tested
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license - not tested
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quality - not tested

A Model Context Protocol server that allows LLMs to execute shell commands with explicit user permission through desktop notifications.

  1. Features
    1. Installation
      1. Usage
        1. As a standalone tool
        2. With Claude Desktop
        3. Available Tools
      2. Security
        1. Development

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