Powershell

Skill G1Joshi/Agent-Skills/skills/languages/powershell

PowerShell scripting for Windows automation, cmdlets, and administration. Use for .ps1 files.From its SKILL.md

Install

npx -y skills add G1Joshi/Agent-Skills --skill powershell

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

One thing to look at

12 stars12 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

SKILL.md

1.3 KB, 299 tokens by cl100k_base, as published. Nobody here has run it

PowerShell

A task-based command-line shell and scripting language built on .NET.

When to Use

Windows system administration
Azure management
Object-oriented scripting
Cross-platform automation (PowerShell Core)

Quick Start

$name = "World"
Write-Host "Hello, $name!"

$processes = Get-Process | Where-Object { $_.CPU -gt 10 }
foreach ($p in $processes) {
    Write-Output $p.Name
}

Core Concepts

Cmdlets

Lightweight commands used in the PowerShell environment (Verb-Noun structure).

Get-Process
New-Item
Set-Location

Objects

PowerShell pipes Objects, not text.

Get-Service | Select-Object -Property Name, Status

Pipeline

Passes objects from one cmdlet to the next.

Best Practices

Do:

Use the Verb-Noun naming convention for functions
Use Try/Catch for error handling
Use [CmdletBinding()] for advanced functions
Output objects, not text (Write-Output over Write-Host)

Don't:

Parse text output like in Bash (use object properties)
Use aliases in scripts (readability)

References

Microsoft PowerShell Docs

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.