Growth engine

Marketing experiments that run, measure, and optimize themselves. Built for growth teams; forward it to your portfolio.

/growth-engine

Verified

Brand & content·v1.0·Verified Aug 2026

You give itA hypothesis, the variants to test, and a metric; then data points as content ships.

It returnsStatistical winners, a living playbook of proven rules, and suggestions for the next experiment.

CreditBuilt by Eric Siu at Single Grain, packaged with license and attribution included (MIT).

Works in any AI chat

One email per download, nothing else.

Enter your email and the skill arrives as a folder with install instructions, sent from our inflows.vc address.

No subscriptions, no consulting engagement, no strings: worst case, a team gets a free tool and learns what Claude skills can do.