hookdeck/polar-webhooks
> Receive and verify Polar webhooks. Use when setting up Polar webhook handlers, debugging Standard Webhooks signature verification, or handling billing events like order.paid, subscription.created, subscription.canceled, or checkout.updated.
npx skills add https://github.com/hookdeck/webhook-skills --skill polar-webhooks
Take hookdeck/polar-webhooks from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.
The instructions reference npx.
Without those the skill loads but fails at the first command.