Posthog Pack

Optimize PostHog costs: autocapture tuning, event sampling with before_send, bot filtering, session recording sampling, and billing monitoring. Trigger: "posthog cost", "posthog billing", "reduce posthog costs", "posthog pricing", "posthog expensive", "posthog budget", "posthog free tier".

Handle PostHog API rate limits with exponential backoff, request queuing, and understanding PostHog's actual limit tiers (240/min analytics, 600/min flags). Trigger: "posthog rate limit", "posthog throttling", "posthog 429", "posthog retry", "posthog backoff", "posthog too many requests".

Production-ready PostHog SDK patterns: singleton client, typed events, React hooks, Next.js App Router integration, and Python patterns. Trigger: "posthog SDK patterns", "posthog best practices", "posthog React hook", "posthog Next.js", "posthog typescript".

Diagnose and fix common PostHog errors: events not appearing, flags returning undefined, 401/429 errors, SDK initialization failures, and identity issues. Trigger: "posthog error", "fix posthog", "posthog not working", "debug posthog", "posthog events missing", "posthog broken".

PostHog PII handling, GDPR compliance, consent management, data deletion, property sanitization, and privacy-safe analytics configuration. Trigger: "posthog data", "posthog PII", "posthog GDPR", "posthog data retention", "posthog privacy", "posthog CCPA", "posthog consent".

Monitor PostHog integration health: event ingestion rates, feature flag evaluation latency, billing volume tracking, and Prometheus/Grafana alerting. Trigger: "posthog monitoring", "posthog metrics", "posthog observability", "monitor posthog", "posthog alerts", "posthog dashboard".

Configure PostHog CI/CD with GitHub Actions: unit tests with mocked PostHog, integration tests against a dev project, and deployment annotations. Trigger: "posthog CI", "posthog GitHub Actions", "posthog automated tests", "CI posthog", "posthog pipeline".

Configure PostHog local development with mocking, debug mode, and testing. Use when setting up a development environment, mocking PostHog for tests, or establishing a fast iteration cycle with posthog-js or posthog-node. Trigger: "posthog dev setup", "posthog local development", "posthog dev environment", "mock posthog", "test posthog".

Production readiness checklist for PostHog integrations: SDK configuration, graceful degradation, health checks, shutdown hooks, and rollback procedures. Trigger: "posthog production", "deploy posthog", "posthog go-live", "posthog launch checklist", "posthog production ready".

Implement PostHog product analytics: event capture, user identification, group analytics, and property management using posthog-js and posthog-node. Trigger: "posthog analytics", "capture events", "track users posthog", "posthog identify", "posthog group analytics", "product analytics".

Implement PostHog feature flags, A/B experiments, and cohort management. Use when rolling out features with flags, running A/B tests, creating cohorts, or evaluating multivariate experiments with PostHog. Trigger: "posthog feature flag", "posthog experiment", "posthog A/B test", "posthog cohort", "feature rollout posthog", "posthog multivariate".

Configure PostHog across development, staging, and production environments. Separate PostHog projects per environment, environment-specific SDK config, feature flag rollout per env, and session recording controls. Trigger: "posthog environments", "posthog staging", "posthog dev prod", "posthog environment setup", "posthog project per env".

PostHog incident response: triage decision tree, immediate actions for 401/429/500 errors, graceful degradation, evidence collection, and postmortem. Trigger: "posthog incident", "posthog outage", "posthog down", "posthog on-call", "posthog emergency", "posthog broken production".

Upgrade posthog-js and posthog-node SDKs with breaking change detection. Covers v4 to v5 posthog-node migration (sendFeatureFlags change), posthog-js autocapture API changes, and version-specific gotchas. Trigger: "upgrade posthog", "posthog breaking changes", "update posthog SDK", "posthog version", "posthog migration".

Deploy PostHog to Vercel, Docker (self-hosted), and Cloud Run. Covers Next.js reverse proxy, server-side capture in edge functions, self-hosted PostHog setup, and platform-specific environment configuration. Trigger: "deploy posthog", "posthog Vercel", "posthog production deploy", "posthog Cloud Run", "posthog self-hosted", "posthog Docker".

Optimize PostHog performance: local flag evaluation, client batching config, event sampling, efficient HogQL queries, and serverless flush patterns. Trigger: "posthog performance", "optimize posthog", "posthog latency", "posthog caching", "posthog slow", "posthog batch", "posthog fast".

Migrate to PostHog from Google Analytics, Mixpanel, Amplitude, or Segment. Covers dual-write strategy, historical data import, event name mapping, identity resolution, and feature flag based traffic shifting. Trigger: "migrate posthog", "posthog migration", "switch to posthog", "posthog from mixpanel", "posthog from GA", "posthog replatform".

Production PostHog architecture: event taxonomy, SDK layering, feature flag strategy, analytics module layout, and data pipeline integration patterns. Trigger: "posthog architecture", "posthog best practices", "posthog project structure", "how to organize posthog", "posthog design".