Master Signer Agent

by MasterSignerv1.1.2

Last updated Jul 27, 2026

Native messaging agent for Master Signer ICP-Brasil digital signature

Install with winget

$ winget install --id MasterSigner.Agent --exact --version 1.1.2

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

Silent install command for Master Signer Agent

Master Signer Agent uses EXE. The silent install switches are --silent.

One-line silent install (x64, user scope)

windows-amd64.exe --silent

See the full silent install reference for Master Signer Agent →

Built by Pckgr

For IT teams

Deploy this app to your whole fleet with Pckgr RMM.

App deployment, patching, and remote support in one place. Push this app to every device you manage, keep it patched automatically, and see new CVEs the moment they land. Works with Intune or fully standalone.

Free for up to 5 devices.

About

Master Signer Agent is a native messaging host that enables the Master Signer

browser extension to access hardware security tokens (A3 certificates) and perform

ICP-Brasil compliant digital signatures via PKCS#11.

Supports tokens from: SafeSign (AET/SERPRO), Feitian ePass, HID ActivClient,

Safeweb, Thales/Gemalto IDGo, WatchData, and other PKCS#11 compatible devices.

Installers · v1.1.2

Architecture	Type	Scope	Install	Download
x64	EXE	user		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 Master Signer Agent.

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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More from MasterSigner or browse certificate, digital-signature, icp-brasil.

Frequently asked questions

How do I install Master Signer Agent on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id MasterSigner.Agent --exact --version 1.1.2. winget downloads the installer from MasterSigner and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install Master Signer Agent silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id MasterSigner.Agent --exact 1.1.2 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for Master Signer Agent?

Master Signer Agent uses EXE. Run the downloaded installer with: windows-amd64.exe --silent. The silent switches are --silent.

How do I uninstall Master Signer Agent via winget?

Run: winget uninstall --id MasterSigner.Agent --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Master Signer Agent's Apps & Features entry.

Is Master Signer Agent free?

Master Signer Agent is distributed under Proprietary. Refer to the publisher (https://mastersigner.app/download) for the full license terms - Wingetly itself does not charge for installation.

Does Master Signer Agent 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 Master Signer Agent directly from the publisher.

How do I keep Master Signer Agent up to date?

Run winget upgrade --id MasterSigner.Agent --exact, or winget upgrade --all to update everything winget tracks. We index 3 versions of Master Signer Agent from microsoft/winget-pkgs.

Recent versions

1.1.2latest
1.1.1
1.1.0