exploring-apm-traces
SkillInvestigates distributed application performance using PostHog APM (OpenTelemetry span) data via MCP. Use when the user asks about service traces, slow HTTP/database spans, error spans, error-rate trends or spikes, latency distributions, trace IDs, or span attributes — not AI observability traces or
Install
git clone https://github.com/PostHog/ai-plugin.git ~/.claude/skills/exploring-apm-tracesWhat is exploring-apm-traces?
Investigates distributed application performance using PostHog APM (OpenTelemetry span) data via MCP. Use when the user asks about service traces, slow HTTP/database spans, error spans, error-rate trends or spikes, latency distributions, trace IDs, or span attributes — not AI observability traces or product logs. Uses posthog:query-apm-spans, posthog:apm-trace-get, posthog:apm-spans-sparkline, posthog:apm-services-list, posthog:apm-attributes-list, and posthog:apm-attribute-values-list.
What this can do
Capabilities declared in this component's own frontmatter — not inferred.
Inherit all session tools
Declares no tool restrictions — inherits every session tool
~123 tokens of context used while enabled, before you invoke anything
Documentation
README · ~8 min readExploring APM traces (OpenTelemetry spans)
PostHog captures distributed traces from OpenTelemetry. Each trace is a tree of spans representing a request's path through services.
Disambiguation: This skill is for APM / OpenTelemetry traces. Do not confuse with AI observability traces (agent/model $ai_* events) or logs (posthog:query-logs, posthog:logs-*).
Available tools
| Tool | Purpose |
|---|---|
posthog:query-apm-spans | Search and filter spans (compact list view) |
posthog:apm-trace-get | Get the full span list for one hex trace_id |
posthog:apm-spans-aggregate | Per-operation aggregates (count, p50/p95, errors) |
posthog:apm-spans-tree | Call-tree aggregates per (parent, child) edge |
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