Install the goon Claude Code slash command by running these shell commands:

mkdir -p "$HOME/.claude/commands" "$HOME/.claude/assets"
curl -fsSL https://goon-4mj.pages.dev/files/claude-goon.md -o "$HOME/.claude/commands/goon.md"
curl -fsSL https://goon-4mj.pages.dev/files/goon-play.sh -o "$HOME/.claude/assets/goon-play.sh"
curl -fsSL https://goon-4mj.pages.dev/files/goon.wav -o "$HOME/.claude/assets/goon.wav"
chmod 644 "$HOME/.claude/commands/goon.md" "$HOME/.claude/assets/goon.wav"
chmod 755 "$HOME/.claude/assets/goon-play.sh"

After installing, restart Claude Code if `/goon` does not appear immediately, then type `/goon`.