Seasonal-campaign audit skill
A Claude skill that encodes a seasonality audit a marketer used to run by eye. It replaced a habit of checking three factors by intuition with the ten that actually moved spend, and scaled the audit from a few products per brand to the whole catalog.
Write-up coming The system shipped and the numbers below are real. The full breakdown — steps, tools, where the human checks it — isn't written yet.
- System
- A packaged Claude skill built by auditing seasonal products alongside the marketer who owned the work, then converting the formulas she wrote into a repeatable skill the rest of the team could run.
- Stack
- Claude skillIntentwise MCPExcel
- Outcome
- Contributed to a 52% year-over-year reduction in ad spend for one client category while holding 86% of ad revenue, saving $100K+.
Why this one is here
This is the metric on the front page that most needs its context: a 52% spend cut sounds like a blunt instrument until you know the audit underneath it.
The interesting part was not the automation. It was the order of operations. The skill was built by sitting with the marketer who owned seasonality, auditing products by hand together, and having her write the formulas first — which is why the most AI-skeptical person on the team ended up trusting the output. The tool encoded her judgment rather than replacing it.
The full write-up is coming: the ten factors, why the usual three are the wrong three, and how the audit scaled from a spot check to full catalog coverage.