Sandbox Architect Skill for Claude Code

A Claude Code plugin marketplace providing intelligent sandbox configuration generation for your projects.

Overview

This marketplace contains a specialized skill that analyzes your codebase to generate optimal Claude Code Sandbox configurations. The skill automatically detects your technology stack (Node.js, Python, Rust, Go, PHP, etc.), identifies dependencies, and generates tailored sandbox and permission settings through an interactive Q&A process.

Installation

To add this marketplace to your Claude Code installation:

/plugin marketplace add nathanonn/claude-skills-sandbox-architect

After adding the marketplace, the sandbox-architect skill will be available for installation and will help you configure sandbox settings for your projects.

Available Plugins

sandbox-architect

Type: Project Skill (Managed)

Description: Intelligent codebase analyzer that generates optimal Claude Code Sandbox configurations through interactive Q&A.

Features:

• Automatic codebase stack detection
• Interactive clarification questions for precise configuration
• Support for multiple technology stacks:
  • Node.js/JavaScript (npm, yarn, pnpm)
  • Python (pip, poetry, pipenv)
  • Rust (cargo)
  • Go (go mod)
  • PHP (composer)
  • Ruby (bundler)
  • Java (maven, gradle)
  • .NET
• Docker/container awareness
• Dev server configuration (Vite, webpack, Next.js, Django, etc.)
• SSH agent and git authentication setup
• Sensitive file protection rules
• Network domain allowlists for package registries

Configuration Areas:

• Sandbox Settings: sandbox.enabled, autoAllowBashIfSandboxed, excludedCommands, allowUnsandboxedCommands
• Network Settings: allowLocalBinding, allowUnixSockets, proxy configuration
• Permissions: allow, deny, ask rules for files and commands
• Security Posture: From learning/exploration to CI/CD pipeline security levels

Usage

Once installed, trigger the skill when you need to:

• Set up sandbox configuration for a new project
• Configure security settings for Claude Code
• Generate permission rules for your codebase
• Troubleshoot sandbox-related issues

Example queries that will activate the skill:

• "Help me configure sandbox settings for this project"
• "Set up Claude Code security for my Node.js app"
• "Generate sandbox configuration for this Python project"
• "Configure permissions for my development environment"

Workflow

The skill follows a structured workflow:

1. Automatic Analysis: Detects your technology stack by examining configuration files
2. Interactive Q&A: Asks clarifying questions about security posture, dev servers, Docker usage, git preferences, etc.
3. Configuration Generation: Creates a tailored .claude/settings.json with explanatory comments
4. Verification: Summarizes the configuration and provides testing guidance

Prerequisites

• Claude Code CLI installed and configured
• A project directory with recognizable configuration files (package.json, requirements.txt, etc.)

Repository Structure

.claude/
└── skills/
    └── sandbox-architect/
        ├── SKILL.md              # Skill definition and workflow
        ├── scripts/
        │   └── analyze_codebase.py  # Stack detection script
        └── references/
            ├── sandbox-guide.md     # Complete sandbox documentation
            └── stack-templates.md   # Pre-built configurations

Development

To test this marketplace locally:

/plugin marketplace add ./path/to/claude-skills-sandbox-architect

Support

For issues, questions, or contributions, please visit:

• Repository: https://github.com/nathanonn/claude-skills-sandbox-architect
• Contact: hello@nathanonn.com

License

MIT License - see LICENSE file for details

About Claude Code Sandbox

Claude Code Sandbox provides OS-level isolation for bash commands, protecting your system from prompt injection attacks, supply chain attacks via dependencies, accidental file modifications outside your project, and unauthorized network access. It uses Bubblewrap on Linux and Seatbelt on macOS for kernel-level enforcement.

{
  "name": "sandbox-architect-marketplace",
  "owner": {
    "name": "Nathan Onn",
    "email": "hello@nathanonn.com"
  },
  "plugins": [
    {
      "name": "sandbox-architect",
      "source": "./.claude/skills/sandbox-architect",
      "description": "Analyze codebases to generate optimal Claude Code Sandbox configurations. Use this skill when users need to set up sandbox security settings for their projects. This skill should be triggered when users ask about sandbox configuration, security settings, or when setting up Claude Code for a new project. It analyzes the codebase stack (Node.js, Python, Rust, Go, PHP, etc.), detects dependencies, and generates appropriate sandbox and permission settings through an interactive Q&A process.",
      "version": "1.0.0",
      "author": {
        "name": "Nathan Onn"
      },
      "keywords": [
        "sandbox",
        "security",
        "configuration",
        "claude-code",
        "devops",
        "permissions",
        "isolation",
        "settings"
      ],
      "homepage": "https://github.com/nathanonn/claude-skills-sandbox-architect",
      "repository": "https://github.com/nathanonn/claude-skills-sandbox-architect.git",
      "license": "MIT"
    }
  ]
}