Send an email.
$npx -y skills add jegly/box --skill send-emailInstalls into the current project.
Run `npx skills use "https://github.com/jegly/box" --skill "jegly/box/send-email"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/jegly/box" that are relevant to the current task. Run `npx skills add "https://github.com/jegly/box"` and select the relevant skills, then follow their instructions.