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Install malbolge with Homebrew

Deliberately difficult to program esoteric programming language. Version 0.1.0 via Homebrew; verified from local package data.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install malbolge

local Homebrew formula metadata

overview

Package summary

Deliberately difficult to program esoteric programming language

Commands and aliases

  • malbolge

history

Project history and usage

Malbolge is an esoteric programming language by Ben Olmstead, deliberately designed to be difficult to program in. The Homebrew package provides a `malbolge` interpreter for a language whose original specification describes a trinary virtual machine, self-modifying code, intentionally hostile instruction encoding, and public-domain source.

Project history

The original Malbolge material is dated 1998 and includes `malbolge.c`, `nop.mal`, and a language document titled "Malbolge '98, Ben Olmstead." In that document, Olmstead says existing esolangs were difficult for different reasons but none had been specifically designed to be difficult to program in, so Malbolge was created for that goal.

The orphaned 2004 edition README says a long time had passed since release, useful trivial programs had emerged, and the package bundled the original interpreter with a Perl interpreter plus small example programs by later contributors. That 2004 bundle is the basis for much of the small command-line distribution history around the language.

Adoption history

Malbolge's adoption is cultural rather than practical. It became a stock example in esoteric language collections because the original document could not even provide a normal example program and stated that no Malbolge programs had yet been written.

Later bundled examples such as `answer.mal`, `copy.mal`, and a 99 Bottles program show how the community treated it as a puzzle language. Package managers carry interpreters like this less for production software and more to preserve runnable artifacts from programming-language folklore.

How it is used

Usage is interpreter-oriented: pass a `.mal` program to the `malbolge` executable and observe its input/output behavior. The official specification defines memory, trits, registers A/C/D, instruction decoding, input/output, and the stop instruction rather than a conventional application configuration.

Why package nerds care

Malbolge is package-nerd catnip because it is tiny, public domain, historically odd, and easy to build as a single interpreter while representing a famous edge case in language implementation. It also tests whether package collections preserve playful and archival software, not just infrastructure.

Timeline

  • 1998: Ben Olmstead's Malbolge interpreter and specification are published.
  • 2004: The orphaned Malbolge bundle adds a Perl interpreter and later example programs.
  • 2004: The README records useful trivial programs emerging after the original release.

Related projects

  • Related esoteric languages mentioned by the original document include INTERCAL, Brainfuck, Befunge, FALSE, TWDL, RUBE, and tri-INTERCAL.

security posture

Risk level: yellow

generalized runtime or code generation signal.

Risk classifier

yellow risk · medium confidence · runtime

Why

  • generalized runtime or code generation signal

Signals

  • text:programming language

Install behavior

  • No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
malbolgeexecutableindexed executableDiscovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03
manager version0.1.0
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:malbolge
Version0.1.0
Package managerHomebrew
Homepagehttps://esoteric.sange.fi/orphaned/malbolge/README.txt
Bottlenot recorded
Servicenone declared

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated package history
  • pkg.so package database
  • pkgdb category and tag curation