Add the marketplace
/plugin marketplace add jung-wan-kim/usage-gateInstall plugins
/pluginRun these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.
Tracks Anthropic API usage (5h/7d rolling limits) and automatically blocks opus sub-agent calls when thresholds are exceeded, forcing sonnet fallback. Includes real-time usage display on every prompt.