You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What
When your identity changes, Claude Code now clears an additional cache before recomputing MCP clients, tools, commands and resources, on top of evicting the existing memoised results. This reduces the chance of stale MCP state after an account switch.
Evidence
evictAllMcpMemosOnIdentityChange
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
