Vercel Labs released a useful agent skill for anyone building payments: a Stripe Emulator skill. The skill lets an AI agent test Stripe-like payment flows locally. It can create customers, products, prices, checkout sessions, payment intents, charges, payment methods, customer sessions, and webhooks without touching a real Stripe account. That is exactly the kind of skill that should be easy to try. This guide shows how to install Vercel Labs' Stripe Emulator skill in an OpenClaw or Hermes agent, run a first local Stripe test, and use ClawMama if you do not already have an agent runtime. No real Stripe account is required. No real Stripe secret key is required. No real payment is processed.…