claude-usageObservabilityMonitoringDeveloper ToolsdrmuzikbpnAlicense-Not gradedqualityBmaintenanceEnables Claude Code sessions to check account rate-limit headroom, local token spend, and live session status, with read-only MCP tools for limits, summaries, token usage, and session listing. Updated 15 hours ago (2026-09-14 12:54 UTC)MIT