powershell

Automate PowerShell scripts with error handling, validation, and PSScriptAnalyzer linting.

Updated Apr 9, 2026
One-click install
npx skills add https://github.com/nist0/CoDev --skill powershell-nist0
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: powershell
Source: https://github.com/nist0/CoDev/tree/main/.github/skills/powershell
Command: npx skills add https://github.com/nist0/CoDev --skill powershell-nist0

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires PSScriptAnalyzer, and includes scripts (resource) and references (resource) components.

What problem does it solve?

The PowerShell Skill addresses the challenge of writing, maintaining, and validating PowerShell scripts for automation, particularly in environments requiring robust error handling and adherence to best practices.

Core Features & Use Cases

  • Error Handling and Validation: Provides default safety patterns and validation for parameters, ensuring scripts are robust against incorrect inputs.
  • Idempotency: Ensures scripts are safe to run multiple times without causing side effects.
  • WhatIf Support: Allows destructive operations to be tested without actual changes.
  • PSScriptAnalyzer Integration: Offers a standard for code quality checks.
  • Use Case: Use this Skill to develop PowerShell scripts for CI/CD pipelines or Windows automation tasks.

Quick Start

Run a PowerShell script with the following syntax: [CmdletBinding(SupportsShouldProcess)] param([Parameter(Mandatory)] [string]$InputParam)

Frequently Asked Questions about powershell

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

FAQPage Schema
How do I add robust error handling and input validation to PowerShell automation scripts?

Robust PowerShell error handling and input validation require CmdletBinding with mandatory parameters and safety patterns. This Skill provides default validation structures ensuring scripts resist incorrect inputs and run safely within Windows automation pipelines.

How do I enforce PowerShell code quality analysis in a CI/CD pipeline?

PowerShell code quality analysis in CI/CD pipelines requires PSScriptAnalyzer integration for linting. This Skill integrates PSScriptAnalyzer checks to enforce best practices and validate script quality during automated Windows deployments.

Can I test destructive PowerShell operations without making actual system changes?

Testing destructive PowerShell operations without changes requires WhatIf support via SupportsShouldProcess in CmdletBinding. This Skill enables WhatIf functionality, allowing you to safely test destructive automation tasks before execution.

How do I make PowerShell scripts idempotent for repeated automation runs?

Idempotent PowerShell scripts execute safely multiple times without causing side effects. This Skill provides default safety patterns ensuring repeated automation runs maintain system state and prevent unintended modifications.

Do I need PSScriptAnalyzer to run PowerShell scripts for Windows automation?

PSScriptAnalyzer is required for code quality checks and linting, but standard PowerShell scripts run without it. This Skill requires PSScriptAnalyzer specifically for validating code quality standards and best practices enforcement.

Why does my PowerShell script fail when missing mandatory input parameters?

PowerShell scripts fail without mandatory parameters when using [Parameter(Mandatory)] validation. This Skill implements input validation requiring defined parameters like [string]$InputParam, ensuring scripts receive correct inputs before execution.