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powershell-master

Automate cross-platform tasks with PowerShell 7+ scripts.

51|10|Updated Oct 22, 2025
Search Tags:#automation#CI/CD#DevOps#cross-platform#Azure#scripting#PowerShell#Microsoft Graph
One-click install
npx skills add https://github.com/JosiahSiegel/claude-code-marketplace --skill powershell-master
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: powershell-master
Source: https://github.com/JosiahSiegel/claude-code-marketplace/tree/main/plugins/powershell-master/skills/powershell-master
Command: npx skills add https://github.com/JosiahSiegel/claude-code-marketplace --skill powershell-master

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

PowerShell scripting can be challenging due to cross-platform differences, module management, and evolving security standards. This skill provides a complete knowledge base for writing professional, secure, and portable PowerShell scripts, simplifying automation across Windows, Linux, and macOS.

Core Features & Use Cases

  • Cross-Platform Scripting: Master path handling, platform detection, and encoding for scripts that run reliably on any OS.
  • Modern Module Management: Efficiently find, install, and update modules using PSResourceGet for Azure, Microsoft Graph, and AWS automation.
  • Advanced Security: Implement 2025 standards like Just Enough Administration (JEA), Windows Defender Application Control (WDAC), and script block logging for robust, secure automation.
  • Use Case: Develop a cross-platform PowerShell script to manage Azure resources, ensuring it adheres to the latest security best practices, handles path differences between Windows and Linux, and integrates seamlessly into a GitHub Actions CI/CD pipeline.

Quick Start

Use the powershell-master skill to write a PowerShell 7+ script that connects to Azure, lists all VMs in a resource group, and ensures cross-platform compatibility.

Frequently Asked Questions about powershell-master

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write PowerShell scripts that work across Windows, Linux, and macOS?▼

Cross-platform PowerShell scripts require platform detection, absolute path handling with `$PSVersionTable.Platform`, and avoiding OS-specific aliases. PowerShell 7+ provides `$IsWindows`, `$IsLinux`, and `$IsMacOS` variables to conditionally execute platform-specific code, ensuring reliable automation across all operating systems.

Can I use PowerShell to automate Azure resources in a CI/CD pipeline?▼

Yes. PowerShell integrates with GitHub Actions, Azure DevOps, and Bitbucket Pipelines through native modules like `Az` for Azure management and `Microsoft.Graph` for Microsoft 365 automation. Modern scripting patterns and security best practices ensure production-grade deployments.

What's the best way to manage PowerShell modules for cross-platform automation?▼

`PSResourceGet` is the modern module management tool for PowerShell 7+, replacing older approaches. It efficiently finds, installs, and updates modules for Azure, AWS, and Microsoft Graph across Windows, Linux, and macOS with consistent dependency resolution.

How do I implement security best practices in PowerShell automation scripts?▼

Apply 2025 security standards including Just Enough Administration (JEA) for role-based access, Windows Defender Application Control (WDAC) for script control, and script block logging for audit trails. These practices harden automation against unauthorized execution and compliance violations.

Does PowerShell handle file paths consistently on different operating systems?▼

PowerShell 7+ abstracts path differences; use forward slashes or `[System.IO.Path]::Combine()` instead of backslashes to ensure scripts work on Windows, Linux, and macOS. Avoid hardcoded paths and leverage `$PROFILE`, `$HOME`, and environment variables for portability.

What debugging and performance optimization techniques apply to production PowerShell scripts?▼

Production scripts benefit from structured logging, error handling with try-catch-finally, performance profiling with `Measure-Command`, and avoiding aliases in favor of full cmdlet names. These patterns ensure maintainability, debuggability, and reliable cross-platform execution.

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