WinappCli plugin for Grok Build

Name: WinappCli
Author: microsoft

Community Claude Code plugin, installs in GrokPluginDevelopment

winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

How to install WinappCli in Grok Build

1. Add this repo as a plugin marketplace in Grok Build (once per computer):

grok plugin marketplace add microsoft/winappCli

2. Install the plugin:

grok plugin install winappcli@microsoft/winappCli --trust

✓ Install-checked in Grok Buildchecked Oct 18, 2026

Review before you trust it. --trust lets this plugin's hooks, MCP servers and scripts run code on your computer. It's a community repo that neither xAI nor GrokStacks has reviewed, so read its code first.

This repo's marketplace has 2 plugins; we checked winappcli, winui. Install another the same way: grok plugin install <name>@microsoft/winappCli --trust (names under 'What it contains'). Then start a new Grok session, or press r in /plugins, to load it.

Inside Grok Build: type /plugins, open the Marketplace tab, press a and add microsoft/winappCli, then select winappcli and press i.

Command format: Grok Build's plugin guide

What we checked: on Oct 18, 2026 it installed with grok 1.0.62 and Grok found 21 skills, 1 subagent. That's an install check only: we haven't run it in a live Grok session.

What it contains

Skills (21)

winapp-find-api — Look up real Windows, WinRT, and Windows App SDK APIs (types, members, enums) from a project's references or the installed SDKs with winapp find-api instead of guessing. Use before coding against an unverified API, or to fix unknown-member,
winapp-find-ui — Find the right WinUI 3 control and a real, compiling sample from the WinUI Gallery or Community Toolkit with winapp find-ui. Use when building WinUI UI and unsure which control fits (cards, tabs, swipe lists, inline messages) or when asked
winapp-frameworks — Framework-specific Windows steps for Electron, WPF, WinForms, C++, Rust, Flutter, and Tauri: build output, npm scripts, Cargo, CMake, and how winapp fits each. Use when adding Windows features such as toast notifications to one of these app
winapp-identity — Give a desktop app (WPF, WinForms, Electron, C++, Rust) package identity so identity-only Windows APIs work: push notifications, background tasks, share target, startup tasks. Use when adding such a feature, running or debugging with identi
winapp-manifest — Create or edit Package.appxmanifest or appxmanifest.xml for any app type (GUI, console, service): execution aliases, file associations, protocols, capabilities, identity, app icons/tiles from one image. Use when changing what the manifest d
winapp-maui — Package and sign .NET MAUI Windows apps with winapp: publish the Windows head first, then point packaging at the resolved resizetizer manifest. Use for a MAUI MSIX or signed unpackaged build, MAUI packaging in CI, or 'manifest contains unre
winapp-package — Build an MSIX installer for a desktop, console, or CLI app (Electron, .NET, C++, Rust, Flutter, Tauri) from build output or a .csproj with winapp package, optionally signed. Use for an installer testers can sideload, app distribution, or MS
winapp-performance — Investigate slow WinUI 3 layout, scrolling and virtualization using native ETW captures, timed operation trees and managed GC suspension context. Use bounded queries for runtime performance questions, not crash analysis or UI correctness.
winapp-sandbox — Run, debug, and UI-automate a Windows app in a persistent Windows Sandbox rather than the user's desktop. Use for disposable app testing, guest diagnostics, file transfer, and app or whole-desktop evidence. Builds remain on the host; connec
winapp-setup — Add Windows SDK and Windows App SDK support to an existing project (winapp init), restore pinned SDKs after cloning (winapp restore), update SDKs, or create a new WinUI app (winapp new). Use for Electron, .NET, C++, Rust, Flutter, or Tauri
winapp-signing — Sign an existing .msix or .exe and manage code-signing certificates: winapp sign, cert generate/install/info, Azure Trusted Signing. Use when signing with a .pfx, creating or trusting a dev certificate, verifying a signature, or fixing a pu
winapp-troubleshoot — Diagnose Windows app packaging, signing, install, identity, and SDK errors: untrusted or mismatched certificates, Add-AppxPackage and 0x80073CFx install failures, no package identity, C++/WinRT headers not generated. Use when an MSIX won't
winapp-ui-automation — Inspect, drive, and verify a running Windows app UI via winapp ui (UI Automation): find elements, click, type, read text/values, wait for state, take screenshots in WinUI, WPF, WinForms, Win32, or Electron apps. Use to check, test, or act o
winui-devtools — Inspect a running WinUI 3 app's XAML with winapp devtools: resolved property values (margin, size, style), what a binding yields or why it's empty, the XAML line behind an element, live edits, and UI review comments left in the app. To clic
winui-code-review — Review WinUI 3 code or changes for quality: MVVM, x:Bind correctness, accessibility, theming, security, performance, and WinUI analyzer findings. Use when asked to review or audit a WinUI app or its pending changes, or before committing. Ca
winui-design — Read before writing or changing WinUI 3 XAML: choosing controls, pages and navigation, layout, Fluent Design, theming, accessibility, x:Bind, real samples, and checking that APIs exist with winapp find-api. Not for WPF or WinForms UI, even
winui-dev-workflow — Create, build, run, and fix build errors in WinUI 3 apps (C# or C++) with WinApp CLI 0.7+: winapp new, winapp run, Native AOT, crash diagnosis. Use for a new WinUI app or a WinUI project that fails to build or crashes. Not for WPF, WinForms
winui-packaging — MSIX packaging, signing, and Microsoft Store publishing for WinUI 3 apps with WinApp CLI 0.7+: project packaging, Native AOT, certificates, self-contained deployment, CI/CD. Use when releasing or publishing a WinUI app. Not for WPF, WinForm
winui-setup — Install and verify WinUI 3 prerequisites — .NET SDK 8.0.100+, WinApp CLI 0.7+, and Developer Mode; identify additional Native AOT and Windows Sandbox requirements. Use when the user asks to set up or repair the toolchain, or when another Wi
winui-ui-testing — Write and run automated UI tests for Windows desktop apps (WinUI 3, WPF, WinForms, Win32) with the winapp ui harness: one batch script, assertions, input, file pickers, dialogs, screenshots, locally or in Windows Sandbox. Use when asked for
winui-wpf-migration — Migrate or port a WPF app to WinUI 3: namespaces (System.Windows to Microsoft.UI.Xaml), control mapping (DataGrid, WrapPanel, TabControl), Dispatcher to DispatcherQueue, imaging, MVVM with CommunityToolkit.Mvvm, ThemeResource. Use when conv

Subagents (1)

winui:winui-dev — Builds WinUI 3 desktop applications using Windows App SDK, XAML, and C#. Use for creating new apps, adding features, converting from WPF/Electron/web, fixing bugs, or any WinUI 3 / WinAppSDK / XAML ta

Plugins in this marketplace (2)

winappcli — Windows app development, packaging, and distribution. Helps with creating Windows installers (MSIX), code signing, certificates, Windows SDK and Windows App SDK setup, package identity for Windows APIs (push notifications, background tasks, share target), appxmanifest authoring, and Microsoft Store
winui — Agents and skills for WinUI 3 app development. Create new WinUI 3 desktop apps, convert from other frameworks to WinUI 3, or add features to existing WinUI 3 applications.

About this listing

WinappCli is a community plugin on GitHub by microsoft, written as a Claude Code plugin that Grok Build installs. We install-checked it in Grok; we haven't run it in a live session or reviewed its code. When we installed it, Grok found 21 skills, 1 subagent, 2 plugins in this marketplaces. Its license is MIT. We checked commit bda01d874dff. It's one of 409 listings in the Development category on GrokStacks.

WinappCli FAQ

How do I install WinappCli in Grok Build?

Add the repo as a marketplace with grok plugin marketplace add microsoft/winappCli, then run grok plugin install winappcli@microsoft/winappCli --trust. This repo's marketplace has 2 plugins; we checked winappcli, winui. Install another the same way: grok plugin install <name>@microsoft/winappCli --trust (names under 'What it contains'). Then start a new Grok session, or press r in /plugins, to load it.

Is WinappCli an official Grok Build plugin?

No. WinappCli is a community plugin on GitHub by microsoft, not in xAI's official Grok Build marketplace. We checked that it installs and what Grok loads from it, but haven't run it in a live Grok session or reviewed its code.

What does WinappCli include?

According to what Grok loaded in our install check, WinappCli includes 21 skills, 1 subagent, 2 plugins in this marketplaces: winapp-find-api, winapp-find-ui, winapp-frameworks, winapp-identity, winapp-manifest, winapp-maui….

Details

Type: Plugin
Category: Development
Source: Community Claude Code plugin, installs in Grok
License: MIT
Author: microsoft
Keywords: cli, electron, identity, msix, winappsdk, windev, windows, windows-development, windows-sdk
Source repo: https://github.com/microsoft/winappCli
Checked commit: bda01d874dff
Checked by GrokStacks: Install-checked in Grok Build on Oct 18, 2026; not run in a live session

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For maintainers: badge and embeds

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Markdown

[![Listed on GrokStacks](https://grokstacks.com/badge.svg)](https://grokstacks.com/p/winappcli/)

HTML

<a href="https://grokstacks.com/p/winappcli/"><img src="https://grokstacks.com/badge.svg" alt="Listed on GrokStacks" width="164" height="28"></a>

Embed card (static HTML and inline CSS, no JavaScript). Preview:

WinappCliCommunity plugin for Grok Build · 21 skills, 1 subagent, 2 plugins in this marketplaceswinapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging…View on GrokStacks →

<a href="https://grokstacks.com/p/winappcli/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #2a2e3c;border-radius:12px;background:#0a0b0f;color:#e8eaf0;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#e8eaf0">WinappCli</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 21 skills, 1 subagent, 2 plugins in this marketplaces</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>

Markdown summary

**[WinappCli on GrokStacks](https://grokstacks.com/p/winappcli/)**: Community plugin for Grok Build with 21 skills, 1 subagent, 2 plugins in this marketplaces. Install: `grok plugin install winappcli@microsoft/winappCli --trust` (after `grok plugin marketplace add microsoft/winappCli`)

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