OptionalenabledWhether request logging is on.
OptionallevelVerbosity: info (compact lines without payloads, default), debug
(adds compact truncated input/output on the detail line), or trace
(debug plus full request/response header and body dumps). The
MCP_USE_LOG_LEVEL environment variable overrides this when set.
OptionalmcpMCP endpoint path. Only requests to this exact path are labelled with their JSON-RPC method instead of their HTTP method.
OptionalprefixSource label used when colocated development services share stdout.
Options for the standalone requestLogger middleware.