Sentry

Sentry provides self-hosted and cloud-based error monitoring. In 2025, it excels at Performance Monitoring and identifying AI Model hallucinations or errors.

When to Use

• Error Tracking: "My app crashed, what is the stack trace?"
• Frontend Performance: Web Vitals monitoring (LCP, FID).
• Release Tracking: Associate errors with specific git commits/releases.

Quick Start

import * as Sentry from "@sentry/node";

Sentry.init({
  dsn: "https://examplePublicKey@o0.ingest.sentry.io/0",
  tracesSampleRate: 1.0,
});