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Homebrew has disabled this package: fails_gatekeeper_check

Moscow ML

Light-weight implementation of Standard ML

CaskLanguages & RuntimesApple silicon · IntelDisabled
From homebrew/cask
30-day installs
0
1-year installs
7
Last 365 days
Latest version
2.10.1
Download size
—
arm64 / x86_64 · pkg
Release cadence
Irregular
0 releases in 30 days

Moscow ML is Languages & Runtimes software for Mac.

Quick facts

Chips
Apple silicon · Intel
Install
brew install --cask moscow-ml
Homebrew
Disabled by Homebrew
Also known as
moscow-ml

These facts were checked on or after . See each source

About

Light-weight implementation of Standard ML

System requirements

macOSVersionChipsDownloadSource
Build for macOS 27, 26, 15, 14, 13, 12, 112.10.1Intelgithub.com/kfl/mosml/releases/download/ver-2.10.1/mosml-2.10.1.pkgSHA-256 4b3e2035b106c688e43e7d415ca74ca8970f74656cc2c17326c5fb7d1f948ca0HomebrewChecked
Build for macOS 27, 26, 15, 14, 13, 12, 112.10.1Apple silicon · Not native on Apple silicongithub.com/kfl/mosml/releases/download/ver-2.10.1/mosml-2.10.1.pkgSHA-256 4b3e2035b106c688e43e7d415ca74ca8970f74656cc2c17326c5fb7d1f948ca0HomebrewChecked

How to install Moscow ML on Mac

  1. In Terminal, run: brew install --cask moscow-ml
  2. Homebrew runs the mosml-2.10.1.pkg installer, which asks for an administrator password.

Install without Homebrew

Download the same file Homebrew uses: github.com/kfl/mosml/releases/download/ver-2.10.1/mosml-2.10.1.pkg

SHA-256 only checks that the download is complete; it is not a security certification. See the SHA-256 and download address

Uninstall Moscow ML and optional data cleanup

Uninstall command
brew uninstall --cask moscow-ml

A regular uninstall removes the app and keeps its settings and caches.

Uninstalling also removes

Installer receipts (pkgutil)
org.mosml

These entries come from the Homebrew definition, checked . They say what it declares, not what is on your Mac.

Moscow ML security facts

Only facts that can be checked, each with its source and date. This is not a safety certification. To check the files you downloaded, scan them on your Mac with OpenNavo.

Distribution
Homebrew
Scan with OpenNavoOpens a scan preview in the OpenNavo app; you decide whether to start it. ClamAV on Mac

Install Details

Tap
homebrew/cask
Installer packages
mosml-2.10.1.pkg
Download URL
https://github.com/kfl/mosml/releases/download/ver-2.10.1/mosml-2.10.1.pkg
SHA-256
4b3e2035b106c688e43e7d415ca74ca8970f74656cc2c17326c5fb7d1f948ca0
Homebrew definition
github.com/homebrew/homebrew-cask/blob/HEAD/Casks/m/moscow-ml.rb
formulae.brew.sh
formulae.brew.sh/cask/moscow-ml

Installation and removal contents

  • Uninstall uninstall

    View full declaration
    {
      "uninstall": [
        {
          "pkgutil": "org.mosml"
        }
      ]
    }
  • Install pkg

    Source file: mosml-2.10.1.pkg

    View full declaration
    {
      "pkg": [
        "mosml-2.10.1.pkg"
      ]
    }

Questions about Moscow ML

Is Moscow ML safe?

Homebrew has disabled Moscow ML (it fails macOS Gatekeeper checks), so it can no longer be installed with Homebrew. It was disabled on Sep 1, 2026.

How do I completely uninstall Moscow ML on a Mac?

Run brew uninstall --cask moscow-ml. It forgets 1 installer receipt.

Does Moscow ML run on Apple silicon (M1 and later) Macs?

It installs, but on Apple silicon Macs it runs through Rosetta 2.

What is the latest version of Moscow ML?

The latest version is 2.10.1, added to Homebrew on Sep 27, 2014. Run brew upgrade --cask moscow-ml to update it.

What else does installing Moscow ML add?

It installs through a .pkg installer, which asks for an administrator password.

Sources

Every fact on this page names its source and check date. Facts past their validity read “as of” their date and are no longer stated as current.