Individual skill
posthog-migration-deep-dive
Plan and execute a controlled historical migration into PostHog with identity mapping, timestamp validation, dual-write evidence, and rollback boundaries. Use when moving from another analytics platform or PostHog region. Trigger with "migrate to PostHog", "PostHog historical import", or "PostHog dual write".
plugins/saas-packs/posthog-pack/skills/posthog-migration-deep-dive/SKILL.md
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- ai Repository topic
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# PostHog Migration Deep Dive
## Overview
Migrate from Google Analytics, Mixpanel, Amplitude, or Segment to PostHog using a dual-write strategy (send events to both old and new platforms) followed by gradual traffic shifting. PostHog's capture API accepts events in a format similar to Segment's track/identify calls, making migration straightforward.
## Prerequisites
- A paid product analytics plan and a dedicated target project are confirmed for historical imports.
- The event taxonomy, distinct-ID map, timestamp policy, and rollback owner are approved.
- A representative sample can be validated before full ingestion.
## Authentication
- Use the target project's public project token only for event capture. It is an ingestion identifier, not a secret or a credential for private APIs.