Claude Code Token consumption can be reduced by 90%. RTK is a high-performance CLI proxy tool that filters and compresses command outputs before they enter the LLM context, achieving token reduction. - Token usage for common development commands reduced by 60-90%. - Supports over 100 commands like git status, ls, and test runners. - Can be directly integrated into Claude Code, Cursor, Windsurf, and Gemini CLI. - 100% open source.