Drop-in payments and instant discovery for any API, function, or file. AI agents find you and pay automatically. checkout, no invoices, no manual listings. Built on MPP, the open protocol for agent commerce.
Stop juggling ngrok, mkcert, and a dozen terminal tabs. OtterKit gives you unlimited .localhost domains, unlimited public tunnels, unlimited webhooks, auto HTTPS, and traffic
inspection - all in one native macOS app. Zero config.