by Egor Fedorov
Claude 5-aware context optimization (Fable 5.1 / Opus 5 / Sonnet 5 pricing, 1h-cache-aware real costs & cache-break detection), SKILL.state-style task state that survives /compact, session baseline audit (/cco-overhead), auto .contextignore, self-calibrating estimates, delegation advisor, ru/en prompt coach, per-language token estimation, tunable thresholds via /cco-config, self-learning tool costs, team pattern sharing
Claude Code22 Skills