Add the marketplace
/plugin marketplace add egorfedorov/claude-context-optimizerInstall 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.
Opus 4.8-aware context optimization: cache-aware real costs & cache-break detection, session baseline audit (/cco-overhead), auto .contextignore, self-calibrating estimates, delegation advisor, ru/en prompt coach