Brew update

Skill ebal/AI-Skills/brew-update

A portable, shareable collection of AI agent skills — structured instruction packs that teach coding agents how to perform specific tasks consistently.

Install

npx -y skills add ebal/AI-Skills --skill brew-update

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What its author says it does

Copied from the file, not written here

Run Homebrew update, upgrade, and cleanup. Use when the user says "brew update", "homebrew update", "update homebrew", "brew upgrade", "brew cleanup", or "update packages".

SKILL.md

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Brew Update

Runs a full Homebrew maintenance cycle: update, upgrade outdated packages, and cleanup old caches.

Locating the script

Commands below use ${SKILL_DIR} for the folder that contains this skill. Set it to wherever the skill is installed, for example:

SKILL_DIR="$HOME/.claude/skills/brew-update"      # Claude Code
# SKILL_DIR="$HOME/.config/opencode/skills/brew-update"   # OpenCode / OpenWork
# On Claude Code you can also reuse the injected variable: SKILL_DIR="$CLAUDE_SKILL_DIR"

Quick Start

Run the helper script:

bash "${SKILL_DIR}/brew-update.sh"

What It Does

Update — Runs brew update to fetch the latest formulae
Upgrade — Upgrades all outdated packages (skipped if --no-upgrade flag is passed)
Cleanup — Removes old versions, downloads, and caches
Report — Prints a summary of what changed

Options

Flag	Effect
`--no-upgrade`	Only update and cleanup, skip upgrades
`--dry-run`	Show what would be upgraded without doing it
`--quiet`	Suppress verbose output

Example:

bash "${SKILL_DIR}/brew-update.sh" --dry-run

Notes

The script locates the brew binary via command -v brew, so it works with both /opt/homebrew (Apple Silicon), /usr/local (Intel), and custom HOMEBREW_PREFIX installs. If brew is not on PATH, set BREW before running: BREW=/path/to/brew bash "${SKILL_DIR}/brew-update.sh"
Logs are written to a logs/ directory next to the script
If a formula's post-install step fails (e.g. fontconfig), suggest running brew postinstall <formula>