Claude Code v2.1.251 ·
MCP request detection moved into a shared helper
The check for whether an MCP message is a request moved into one helper.
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.251,
Internal ChangesSection of the release
What
The inline test for whether a message from an MCP server is a request rather than a response is now a single named function. No behavior changes.
Evidence
if (xot(r.message))
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
See this entry in the whole of v2.1.251 →