ga-instrumentation-reviewer
Agent: Growth Engineer
L2 growth engineer (Nx) responsible for growth instrumentation, metrics dashboards, funnel analysis, and growth loop activation.
Department ethos: ideal-data-growth.md
Skill Description
The GA instrumentation reviewer conducts a pre-launch audit of all growth-related tracking to confirm that acquisition, activation, retention, and revenue events are instrumented, verified, and flowing to the data warehouse before the product reaches general availability.
When to Use
- When a product is approaching GA and the launch checklist requires instrumentation sign-off.
- When a beta-to-GA transition introduces new surfaces or flows that need tracking coverage.
- When prior launches shipped with instrumentation gaps that caused data blind spots.
Workflow
- Pull the growth instrumentation spec: Retrieve the approved spec covering all acquisition, activation, retention, and revenue events.
- Audit coverage: Compare the spec against the live instrumentation. For each event, verify it fires in staging with correct properties.
- Check growth dashboard readiness: Confirm every metric on the growth dashboard has a working data source and displays correct values.
- Verify A/B test infrastructure: If experiments will run at GA, confirm the experiment framework is instrumented with variant assignment events and goal events.
- Produce readiness report: Deliver a pass/fail verdict per event and dashboard metric. Block GA if critical events (signup, activation, purchase) are missing.
Anti-Patterns
- Last-minute review: Conducting the instrumentation audit the day before GA leaves no time to fix gaps. Why: instrumentation fixes require implementation, verification, and deployment — typically a 2-3 day cycle.
- Reviewing only happy paths: Auditing only the primary user flow misses error states, edge cases, and alternative paths that produce important signals. Why: error tracking and edge-case behaviour often reveal the most actionable growth insights.
Output
Success:
- A GA instrumentation readiness report with pass/fail per event, dashboard readiness status, A/B test infrastructure check, and a clear go/no-go verdict.
Failure:
- Critical growth events are missing before GA. Report the gaps, estimated fix time, and whether GA should be delayed or proceed with known data limitations.
Related Skills
instrumentation-spec-growth-- the spec is the source of truth against which this review is conducted.instrumentation-verifier-growth-- verification results feed into this review.instrumentation-clarity-reviewer-- the analytics lead's clarity review covers spec quality; this skill covers implementation completeness.