Use this skill when the user wants to adjust screen brightness from the command line on Linux systems.
Scanned 9/6/2026
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---
name: brightnessctl
description: Use this skill when the user wants to adjust screen brightness from the command line on Linux systems.
---
# brightnessctl Plugin
brightnessctl controls display backlight brightness.
## Usage Examples
- "get current brightness level"
- "set brightness to 50 percent"
- "increase brightness by 10 percent"
- "save current brightness for restore"
## Installation
```bash
brew install brightnessctl
```
## Key Features
- Display brightness read and set
- Percentage-based and absolute control
- Step-based adjustments (inc/dec)
- Min/max brightness querying
- Multiple device support (internal/external)
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