Cache the parts of the prompt that don't change so a long-running loop stops paying full price on every turn. Use when the system prompt, tool defs, or reference docs are stable across many turns.
$npx -y skills add archive228/loopkit --skill prompt-cachingInstalls into the current project.
Run `npx skills use "https://github.com/archive228/loopkit" --skill "archive228/loopkit/prompt-caching"` 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/archive228/loopkit" that are relevant to the current task. Run `npx skills add "https://github.com/archive228/loopkit"` and select the relevant skills, then follow their instructions.