pkg.soopen package index

brew / rank 3195

Install m1ddc with Homebrew, MacPorts, Nix

Control external displays (USB-C/DisplayPort Alt Mode) using DDC/CI on M1 Macs. Version 1.2.0 via Homebrew; verified 2026-05-12. Also installable with nix: nix profile install nixpkgs#m1ddc.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install m1ddc

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install m1ddc

MacPorts ports tree · sysutils/m1ddc/Portfile · source: api.github.com

Linux

Nixverified · 92%
nix profile install nixpkgs#m1ddc

nixpkgs package indexes · pkgs/by-name/m1/m1ddc/package.nix · source: api.github.com

overview

Package summary

Control external displays (USB-C/DisplayPort Alt Mode) using DDC/CI on M1 Macs

Commands and aliases

  • m1ddc

history

Project history and usage

m1ddc is a small command-line utility for controlling external displays over DDC/CI on Apple Silicon Macs connected through USB-C or DisplayPort Alt Mode.

Project history

The project was created in 2021 by the developer behind BetterDisplay-era Mac display tools. Its README positions it as a small scriptable utility and points users who need a more advanced CLI to BetterDisplay.

Upstream releases were explicitly framed around Homebrew distribution. Version 1.0.0 was the initial Homebrew-oriented release in January 2023; later releases added M2 support, community improvements, and enhanced display identification.

Adoption history

m1ddc filled a narrow but real gap for early Apple Silicon users: external monitor brightness, contrast, volume, input, and PIP/PBP controls were useful from scripts even when GUI display tools were heavier than needed.

The repository has hundreds of stars and dozens of forks, and the supplied package facts show Homebrew, MacPorts, and Nix packaging.

How it is used

Users build it with `make` or install it through a package manager, then run `m1ddc [options]`. The README documents examples such as setting contrast, reading luminance, changing volume, listing displays, and selecting displays by number or UUID.

The README warns that the tool does not support Intel Macs or the built-in HDMI port of M1 and entry-level M2 Macs, so package users need hardware-specific expectations.

Why package nerds care

m1ddc is package-nerd interesting because it is a small native Mac hardware-control binary whose value comes from making a platform quirk scriptable rather than from broad cross-platform scope.

The formula is also a good example of packaging a niche Apple Silicon command-line tool before the functionality is fully absorbed into larger display-management applications.

Timeline

  • 2021: Public GitHub repository created
  • 2023: v1.0.0 initial Homebrew distribution release
  • 2023: v1.1.0 added community improvements and M2 support
  • 2024: v1.2.0 added enhanced display identification support

Related projects

  • BetterDisplay is the upstream-recommended advanced alternative for broader Mac DDC control.
  • Homebrew, MacPorts, and Nix package m1ddc according to the supplied package-manager facts.

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

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
m1ddcexecutableindexed 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 version1.2.0
manager updated2026-05-12
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:m1ddc
Version1.2.0
Package managerHomebrew
Homepagehttps://github.com/waydabber/m1ddc
Repositoryhttps://github.com/waydabber/m1ddc
Last updated2026-05-12T09:42:19+01:00
Pulseupdated
Bottlenot recorded
Servicenone declared

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

m1ddc

nix profile install nixpkgs#m1ddc
  • normalized package name match
  • Matched by: M1ddc
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/m1/m1ddc/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
MacPorts95%

m1ddc

sudo port install m1ddc
  • normalized package name match
  • Matched by: M1ddc
MacPorts ports tree · api.github.com · MacPorts ports tree: sysutils/m1ddc/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

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
  • external package-manager database matches
  • pkg.so package database
  • pkgdb category and tag curation