Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.248,
What probably matters to youSection of the release
What
A per-tool map now lists which top-level arguments each Claude Design tool accepts, covering listing design systems, fetching the design prompt, listing and fetching projects, listing files, reading a file, fetching a conversation and listing members.
Evidence
get_claude_design_prompt
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
