error
Active-request session loss cancelled the surrounding transport task context; another session in that context failed, cleanup raised an ExceptionGroup, and reconnect was not attempted.
Source: https://github.com/anilloutombam/mcp-failure-lab/blob/main/docs/compatibility/v0.11.0.md
View raw evidence
Protocol: 2025-11-25 Activation failure (ms): 2.26, 2.25, 2.30 Lost-session rejection (ms): 0.01, 0.08, 0.07 Other session (ms): 0.01, 0.01, 0.01 Reconnect: not run Cleanup: error in all three repetitions