Scans Node.js/Express backends for paid endpoint abuse and billing attacks (EDoS). 15 checks across SMS, Email, and AI/LLM domains. Finds uncapped AI costs, missing rate limits, bot protection, user quotas, SMS toll fraud, credential leaks. Detects Twilio, SendGrid, OpenAI + 19 more providers. Use when user asks to scan, audit, review security, or mentions VibeCure.