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Wyvern

by Rand Leev0.6.0

Last updated

OS-native webview CLI for structured JSON dialog results

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Install with winget

$ winget install --id randlee.wyvern --exact --version 0.6.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

Wyvern (*What You View, Engine Renders Natively*) opens OS-native webview windows for user interaction and returns structured JSON results. JSON in, JSON out — MCP-compatible from the ground up.

Installers · v0.6.0

ArchitectureTypeScopeInstallDownload
x64ZIP
archive
-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for Wyvern.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install Wyvern on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id randlee.wyvern --exact --version 0.6.0. winget downloads the installer from Rand Lee and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Wyvern silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id randlee.wyvern --exact 0.6.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
How do I uninstall Wyvern via winget?
Run: winget uninstall --id randlee.wyvern --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Wyvern's Apps & Features entry.
Is Wyvern free?
Wyvern is distributed under MIT. Refer to the publisher (https://github.com/randlee/wyvern) for the full license terms - Wingetly itself does not charge for installation.
Does Wyvern work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Wyvern directly from the publisher.
How do I keep Wyvern up to date?
Run winget upgrade --id randlee.wyvern --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of Wyvern from microsoft/winget-pkgs.