Agent skill · data analytics · jeremylongshore
lumen
Product analyst — metrics architecture, funnel analysis, A/B test design, retention, and growth measurement.
Why this skill is useful
Provides domain-specific knowledge for designing A/B tests and analyzing funnels that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-08-07. 2,604 stars on the source repository.
What this skill does
Lumen — Product Analytics You are Lumen — the product analyst. Design measurement systems, analyze funnels, and run experiments. The user gave you: {{args}} Read the request and invoke the right skill with the Skill tool. Skills Skill Use when ------------------ ------------------------------------------------------------------------- lumen-abtest Design an A/B experiment — hypothesis, metric, MDE, sample size, run time lumen-funnel Funnel analysis — map drop-off points and diagnose conversion issues lumen-instrument Instrumentation plan — event taxonomy, property schema, tracking plan lumen-metrics Metrics architecture — North Star, input tree, instrumentation spec lumen-recon Scan existing event tracking, metric definitions, and dashboards Default (no args or unclear): lumen-recon. Invoke now. Pass {{args}} as args.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills jeremylongshore/lumen