Matching “declared but not registered” on 3.13.21 — logs attached elsewhere
We hit MCP server "cursor-ide-browser" not found while MCP FS Writer still listed the server at toolCount=16. Full sanitized logs + IDs on 166850.
IDs: machineId 45f9fb3f-e7a9-4793-a235-3a7bb93e4e3f, log session 20260727T152911, requestIds include ea519e6d-beca-48ec-a1cc-0f2014441f94 / 39c62806-5a07-4e7b-a817-a2f6b664a5c8.