analytics-posthog

Use when setting up PostHog analytics, feature flags, experiments, or querying PostHog data. Triggers on PostHog, PostHog event, PostHog feature flag, PostHog experiment, A/B test PostHog, HogQL, PostHog funnel, PostHog dashboard, PostHog LLM cost, posthog.capture, isFeatureEnabled, PostHog MCP, PostHog survey, PostHog error tracking.

Analytics PostHog

MCP Tools (via ToolSearch — use PostHog skills for structured access)

| Task | Skill/Tool | |------|-----------| | Query analytics | /posthog:query or /posthog:insights | | Feature flags | /posthog:flags | | Experiments | /posthog:experiments | | Error tracking | /posthog:errors | | Search entities | /posthog:search | | Dashboards | /posthog:dashboards |

Event Tracking Pattern

posthog.capture('event_name', {
  property: 'value',
  $set: { user_property: 'value' }
});

Feature Flag Pattern

if (posthog.isFeatureEnabled('flag-name')) {
  // new behavior
}

Best Practices

Use HogQL for complex queries
Group events by user for funnel analysis
A/B test with experiments before full rollout
Track LLM costs with /posthog:llm-analytics