signals-scout-apm

Signals scout for PostHog distributed tracing (APM / OpenTelemetry spans). Watches per-service RED metrics for error-rate and latency regressions, new error signatures, and traffic cliffs.

Compatibility

PostHog Signals agent (Claude sandbox). Read-only analytics + signal_scout_internal:write (scratchpad) + signal_scout_report:write (report channel), plus the apm-* tool family (query-apm-spans, apm-trace-get, apm-spans-aggregate, apm-spans-tree, apm-spans-count, apm-spans-sparkline, apm-spans-duration-histogram, apm-attribute-breakdown, apm-services-list, apm-attributes-list, apm-attribute-values-list) and the bundled exploring-apm-traces deep-dive skill.