Automic VaultAutomic Vault

brew

Install ddcctl with Homebrew, MacPorts

DDC monitor controls (brightness) for Mac OSX command-line. Version 1 via Homebrew; verified from local package data.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install ddcctl

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install ddcctl

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

overview

Package summary

DDC monitor controls (brightness) for Mac OSX command-line

Commands and aliases

  • ddcctl

history

Project history and usage

ddcctl is a macOS command-line utility for sending DDC monitor control commands, mainly brightness and contrast, to external displays. The README describes it as a personal GPLv3 utility in maintenance mode rather than a broad support forum.

Project history

The GitHub repository was created in August 2014. Its README says ddcctl.m sprang from a TonyMac-x86 forum thread and that DDC.c originated from jontaylor/DDC-CI-Tools-for-OS-X before being reworked by others.

Adoption history

ddcctl found a durable packaging niche because macOS users with external monitors often wanted scriptable brightness and input control. The README documents Homebrew installation first, followed by release binaries and building from source.

How it is used

Users run ddcctl from the shell to adjust display controls such as brightness, contrast, input source, volume, RGB values, and presets when the monitor firmware supports them. The README also points to an example script for controlling two monitors from a Mac mini.

Why package nerds care

For package nerds, ddcctl is the kind of hardware-adjacent CLI that earns a formula because it bridges a small OS capability gap. It is tiny, platform-specific, and useful precisely because it makes display controls scriptable.

Timeline

  • 2014: GitHub repository created
  • 2021: v0 release published
  • 2022: v1 release published

Related projects

  • DDC-CI-Tools-for-OS-X, ddccontrol, monitorcontrol

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 post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 11 platform targets.

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
ddcctlcliglobal executable

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 generated2026-07-08
manager version1
manager updated
local dataok
upstreamnot checked
latest detectednot detected

https://github.com/kfix/ddcctl

  • infoNo package-manager update timestamp was available.low confidence
  • infoNo cached GitHub release or tag data was available.https://github.com/kfix/ddcctlnone confidence

install metadata

Package metadata

Package keybrew:ddcctl
Version1
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/ddcctl
Homepagehttps://github.com/kfix/ddcctl
Repositoryhttps://github.com/kfix/ddcctl
Upstream docshttps://github.com/kfix/ddcctl#readme
LicenseGPL-3.0-only
Source archivehttps://github.com/kfix/ddcctl/archive/refs/tags/v1.tar.gz
Bottleavailable (on arm64_big_sur, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Nameddcctl
Version Scheme0
Revision0
Requirements
  • macos
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

source database matches

Other package-manager records

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

MacPorts95%

ddcctl

sudo port install ddcctl
  • normalized package name match
  • Matched by: Ddcctl
MacPorts ports tree · api.github.com · MacPorts ports tree: sysutils/ddcctl/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.

Same workflow

  • ddcutilShares av.db curated category or tags: brightness, cli, display-control, monitor, system.
  • brightnessShares av.db curated category or tags: brightness, cli, macos, system.
  • displayplacerShares av.db curated category or tags: cli, macos, monitor, system.
  • m1ddcShares av.db curated category or tags: cli, display-control, macos, system.
  • asitopShares av.db curated category or tags: cli, macos, system.
  • bluetoothconnectorShares av.db curated category or tags: cli, macos, system.

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
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment