A stable shell-out interface that dumps your entire cost state in one call: total spend, per-tier breakdown, top session, budget utilization, and federation aggregate. It outputs JSON or markdown, designed for other plugins, dashboards, or scripts that need a quick snapshot without parsing multiple sources. The team explicitly chose not to expose this as an MCP tool (see ADR-0002) to avoid modifying core CLI source, so this is the programmatic equivalent. If you're building automation that needs cost data or just want a fast "where am I right now?" view, this is cleaner than piecing together cost-report output.
npx skills add https://github.com/ruvnet/ruflo --skill cost-summary