What
If Claude Code could not save your list of switched-off MCP servers, it now logs that when the session closes. MCP servers are add-ons that give Claude extra tools.
Why
This is a diagnostic record and does not change what you see.
Unsaved MCP server switch-offs are logged when a session closes
If saving your list of switched-off MCP servers was refused, Claude Code now logs this when the session closes
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 v2.1.317,
Internal ChangesSection of the release