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Danger Zone MCP

by koinunopochi
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JavaScript
MIT License
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Danger Zone MCP

A Model Context Protocol (MCP) server that allows executing predefined commands with safety checks.

Features

  • Execute safe commands from configuration
  • Execute dangerous commands with native macOS confirmation dialog
  • Support for pre-authorized dangerous commands (skip confirmation)
  • JSONC support (JSON with comments)
  • Multiple configuration file formats supported (.jsonc and .json)
  • Fallback to global config in ~/.claude/ if project config not found
  • TypeScript implementation
  • Works with npx for easy execution

Installation

npm install -g @koinunopochi/danger-zone-mcp

Or use with npx (no installation required):

npx @koinunopochi/danger-zone-mcp

Configuration

Create a configuration file in your project root or home directory:

  1. Project-specific config (highest priority):
    • <project>/.claude/.danger-zone-exec.local.jsonc (recommended for comments)
    • <project>/.claude/.danger-zone-exec.local.json
  2. Global config (fallback):
    • ~/.claude/.danger-zone-exec.jsonc (recommended for comments)
    • ~/.claude/.danger-zone-exec.json
{ // Safe commands that can be executed without confirmation "commands": [ { "name": "build_project", "description": "Build the project", "command": "npm", "args": ["run", "build"] }, { "name": "check_chrome_mcp", "description": "Check if MCP Chrome profile instances are running", "command": "ps aux | grep -E '(Google Chrome.*mcp-chrome-profile)' | grep -v grep | wc -l" } ], // Dangerous commands that require confirmation "dangerZone": [ { "name": "clean_build", "description": "Clean all build artifacts", "command": "rm -rf dist" // Will show confirmation dialog (default behavior) }, { "name": "kill_chrome_mcp", "description": "Kill all Chrome instances with MCP profile", "command": "pkill -f 'Google Chrome.*mcp-chrome-profile'", "preAuthorized": true // Skip confirmation dialog } ] }

Usage with Claude Desktop / Claude Code

Add to your Claude configuration:

{ "mcpServers": { "danger-zone": { "command": "npx", "args": ["@koinunopochi/danger-zone-mcp"] } } }

Note: When using Claude Code, the cwd is automatically set to your current project directory.

Development

# Install dependencies npm install # Build npm run build # Run in development mode npm run dev

Configuration Options

Command Properties

  • name: Tool name (used as exec_<name>)
  • description: Description shown in Claude
  • command: Shell command to execute
  • args: Optional array of default arguments

DangerZone Properties

  • name: Tool name (used as danger_<name>)
  • description: Description shown in Claude
  • command: Shell command to execute
  • preAuthorized: Skip confirmation dialog if true (optional, defaults to false)

Safety Features

  • Dangerous commands show native macOS confirmation dialog by default
  • Pre-authorized commands can skip confirmation when explicitly configured
  • Commands are sandboxed to configured list
  • Clear separation between safe and dangerous operations

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

How are these scores calculated?

A Model Context Protocol server that enables safe execution of predefined commands with built-in safety checks, separating regular commands from dangerous operations requiring confirmation.

  1. Features
    1. Installation
      1. Configuration
        1. Usage with Claude Desktop / Claude Code
          1. Development
            1. Configuration Options
              1. Command Properties
              2. DangerZone Properties
            2. Safety Features

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