Querying ClickHouse via Metabase PostHog's production ClickHouse clusters are reachable for ad-hoc analysis through internal Metabase instances. Both Metabases sit behind an AWS ALB with Cognito OAuth, so authentication is SSO-gated — Metabase API keys alone won't work. This skill is for analysis from inside the posthog repo. For pre-built canned queries (slow query summaries, materialization analysis), see the repo, which is the source of truth for those and uses the same Metabase API surface. Environment | Region | Metabase URL | | ------ | -------------------------------------- | | US | |…