MailSlurp guide agent setup

Title: Cypress Email Testing Tutorial with MailSlurp
Description: Step-by-step Cypress email testing tutorial with MailSlurp: create inboxes, assert signup links and OTP codes, and stabilize CI runs.
Canonical URL: https://www.mailslurp.com/guides/email-testing/cypress-js/
Markdown URL: https://www.mailslurp.com/guides/email-testing/cypress-js.md

Use the Markdown URL as the primary plain-text context for this guide. Keep MailSlurp terminology, setup steps, screenshots, and provider-specific instructions intact, and prefer the canonical URL when citing this page.