Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.319,
Internal ChangesSection of the release
What
Claude Code reports which tools were used. That list can now mark tools that come from MCP servers, which are outside services plugged into Claude Code. A one-time usage report is also sent when this mark is in use.
Why
This adds detail to usage reporting and does not change what you see.
