Run shellcheck on shell scripts after editing scripts or when debugging shell errors. Use for linting scripts in a repo (especially scripts/), catching issues like set -u with unset vars, bad subshell usage, or quoting mistakes.
$npx -y skills add instructa/agent-skills --skill shellckInstalls into the current project.
Run `npx skills use "https://github.com/instructa/agent-skills" --skill "instructa/agent-skills/shellck"` 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/instructa/agent-skills" that are relevant to the current task. Run `npx skills add "https://github.com/instructa/agent-skills"` and select the relevant skills, then follow their instructions.