smc-utils

Apple System Management Control (SMC) tools written in Rust.

A collection of utilities for interacting with Apple's SMC (System Management Control) on macOS. This workspace includes both a library (smc-lib) for programmatic access and a command-line tool (smc-cli) for easy interaction with SMC keys.

Components

• smc-lib - A Rust library for reading and writing SMC keys on macOS
• smc-cli - A command-line tool for interacting with Apple SMC keys

Features

• Read SMC key values
• Write SMC key values
• List all available SMC keys
• Safe Rust wrapper around IOKit and Mach APIs
• Support for multiple SMC data types

Requirements

• macOS system (only works on macOS)
• Rust 1.92.0 (edition 2024) or later

Quick Start

Using the CLI

See the CLI README.

Using the lib

See the lib README.