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winapp-signing

Official

Securely sign Windows apps and MSIX packages.

Software Engineering#trust#windows#publisher#signing#certificate#msix#dev-cert
Authormicrosoft
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Create and manage code signing certificates for Windows apps and MSIX packages. Use when generating a certificate, signing a Windows app or installer, or fixing certificate trust issues.

Core Features & Use Cases

  • Generate a development certificate for local testing to sign MSIX packages and apps.
  • Install (trust) a certificate on this machine to allow installation of MSIX packages and executables.
  • Sign a Windows app, MSIX package, or installer, with optional timestamping for production validation.
  • Publisher matching and manifest-based auto-inference to ensure signature alignment across deployments.

Quick Start

Generate a development certificate with winapp cert generate, install it to trust the machine, and then sign your MSIX package.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: winapp-signing
Download link: https://github.com/microsoft/winappCli/archive/main.zip#winapp-signing

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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