Hammer out skills that actually work.
Below is the test report for each product. Each one is the same TEST-REPORT.md you get in the download, and each lists what was not tested as well as what was.
- Webhooks Done Right (for Stripe): 22/22 tests passed
- API Integrator for QuickBooks Online: 19/19 tests passed
- Subscription Billing Kit (for Stripe): 15/15 tests passed
- Failed Payment Dunning (for Stripe), n8n pack: 21/21 static + 22/22 end-to-end checks passed
Bundles contain these same products; see each product's report. "Tested by SkillHammer" is SkillHammer's own claim, backed by these reports. It is not a third-party certification.