Sergiy Dybskiy

Sergiy Dybskiy

Developer Experience Engineer

Sergiy Dybskiy is a Developer Experience Engineer at Sentry. He’s an avid learner and serial tinkerer, always looking for ways to make things make sense. In Toronto, he organizes and actively takes part in community events, and online he runs a YouTube channel where he shares (hopefully) helpful tips on all kinds of technology topics

Blogs Published by Sergiy Dybskiy

Debugging multi-agent AI: When the failure is in the space between agents
Engineering

Debugging multi-agent AI: When the failure is in the space between agents

When an agent's tool call silently degrades the input to a completely different agent two steps later, standard monitoring won't catch it. Here's how to find bugs that live between agents.

Sample AI traces at 100% without sampling everything
Product Updates

Sample AI traces at 100% without sampling everything

A little while ago, when agents were telling me "You're absolutely right!", I was building webvitals.com. You put in a URL, it kicks off an API request to a…

AI agent observability: The developer's guide to agent monitoring
Engineering

AI agent observability: The developer's guide to agent monitoring

Most discussions about agent observability read like outdated compliance checklists with "AI" substituted for older technologies. They emphasize comprehensive…

Next.js Observability Gaps & How to Close Them
Product Updates

Next.js Observability Gaps & How to Close Them

A comprehensive guide to closing critical observability gaps in Next.js applications across client, server, and edge runtimes with Sentry.

You're probably overdue for a Sentry SDK upgrade
Product Updates

You're probably overdue for a Sentry SDK upgrade

Roughly half of all Sentry JavaScript SDK installations remain on v8 or older. Here's what you're missing and why upgrading matters.

From random chunks to real code — wiring up Next.js source maps in Sentry
Product Updates

From random chunks to real code — wiring up Next.js source maps in Sentry

Stop seeing random chunk names in your Next.js errors. Set up source maps in Sentry to get readable stack traces that point to your actual code.

Less code, faster builds, same telemetry: Turbopack support for the Next.js SDK
Product Updates

Less code, faster builds, same telemetry: Turbopack support for the Next.js SDK

Less code, faster builds, same telemetry. How Sentry’s Next.js SDK supports Turbopack without losing insight into errors or performance.

Not everything that breaks is an error: a Logs and Next.js story
Product Updates

Not everything that breaks is an error: a Logs and Next.js story

Stack traces show what broke. Logs show why. A real Next.js bot-protection bug where Sentry logs exposed the missing context and fixed prod.

Eliminating N+1 Queries with Seer’s Automated Root Cause Analysis
Product Updates

Eliminating N+1 Queries with Seer’s Automated Root Cause Analysis

Learn how Seer identifies N+1 queries, analyzes trace data, and generates optimized SQL queries to cut query counts from 150 to 1 in minutes.

Introducing webvitals.com: Find out what’s slowing down your site
Product Updates

Introducing webvitals.com: Find out what’s slowing down your site

Analyze, optimize, and ship faster with webvitals.com. Get real user insights without the jargon, then use Sentry to fix the code slowing you down.

The core KPIs of LLM performance (and how to track them)
Product Updates

The core KPIs of LLM performance (and how to track them)

Track the most important LLM metrics: traffic, tokens, cost, latency, and errors. Learn how to set up dashboards and alerts with Sentry.

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