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README.md

powershell-developer

License: MIT Platform PowerShell Claude Code Plugin

Autonomous PowerShell development agent for Claude Code. Provides expert assistance with PowerShell scripts, modules, Windows Forms/WPF GUIs, and automation tasks.

Features

  • Script Development: Production-quality PowerShell scripts with proper structure, parameters, and documentation
  • Module Creation: PowerShell modules with manifest files and Gallery-ready packaging
  • GUI Development: Windows Forms and WPF interfaces for interactive tools
  • Code Review: Best practices analysis, naming conventions, and error handling verification
  • Gallery Integration: Module verification and recommendations from PowerShell Gallery
  • Pattern Detection: Hooks warn about common PowerShell anti-patterns

Installation

Add the plugin marketplace to Claude Code:

claude plugin marketplace add hmohamed01/claude-code-plugins

Then use /plugins to install powershell-developer from the marketplace.

Usage

Invoke the Agent

The agent triggers when you explicitly request PowerShell development help:

"Help me create a PowerShell module for user management"
"Build a Windows Forms dialog for file selection"
"Review my PowerShell script for best practices"
"Is there a module for working with Excel files?"

Slash Command

Use the slash command for direct invocation:

/powershell-developer create a function to get disk space usage
/powershell-developer review my script for anti-patterns

Components

Agent

The powershell-developer agent provides:

  • Module verification via PowerShell Gallery
  • Code review for PowerShell-specific issues
  • Best practices guidance
  • GUI development patterns

Skill

The powershell-knowledge skill includes:

  • Script structure templates
  • Function design patterns
  • GUI development reference (Windows Forms, WPF)
  • PowerShellGet cmdlet reference
  • Utility scripts for Gallery searches

Hooks

Pre-write hooks warn about:

  • Aliases in scripts (gci, ls, rm, etc.)
  • Missing [CmdletBinding()] on functions
  • Hardcoded credentials
  • Missing -ErrorAction Stop in try/catch
  • Non-approved verbs in function names
  • Misuse of Write-Host

Reference Documentation

Topic Description
references/best-practices.md Naming, parameters, pipeline, error handling
references/gui-development.md Windows Forms, WPF, controls, events
references/powershellget.md Find, install, update, publish modules

Scripts

Script Purpose
scripts/Search-Gallery.ps1 Enhanced PowerShell Gallery search

Best Practices Enforced

DO

  • Use [CmdletBinding()] on all functions
  • Use approved verbs from Get-Verb
  • Use -ErrorAction Stop with try/catch
  • Write comment-based help
  • Use strong typing with validation attributes
  • Stream output in pipeline

DON'T

  • Use aliases in scripts
  • Store credentials in plain text
  • Use Write-Host for normal output
  • Ignore PSScriptAnalyzer warnings

Requirements

  • Claude Code CLI
  • PowerShell 5.1+ (for running scripts)
  • Windows (for GUI development features)

License

MIT