Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Internal ChangesKind: in v2.1.273,
Internal ChangesSection of the release
What
When an Artifact page calls a connector tool that hasn't had a successful call observed during the current session, Claude Code shows a warning about that. The warning message now adds a new instruction: check the page's argument names against each tool's input schema, if the session has access to that tool, and treat the result fields the page reads as unverified unless a real, safe call can confirm them.
Why
This gives Claude a concrete way to partially verify an untested tool call, by checking argument names against the schema, rather than treating every unverified call the same way.