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sentry

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

Aug 28, 2025 By Sergiy Dybskiy In Sentry
A few months ago, I built an MCP server for Toronto’s Open Data portal so an agent could fetch datasets relevant to a user’s question. I threw the first version together, skimmed the code, and everything looked fine. Then I asked Claude: “What are all the traffic-related data sources for the city of Toronto?” The tool call fired. I got relevant results. And then I hit an error: “Conversation is too long, please start a new conversation.” I had only asked one question.
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sentry

How to measure and fix latency with edge deployments and Sentry

Aug 26, 2025 By Kyle Tryon In Sentry
A 2017 study by Google, researchers found: That was over 8 years ago. And let’s be honest, it’s not likely users have found any additional patience in that time. Web Vitals are a set of performance metrics defined by Google that measure user experience. They focus on things like LCP (how long the main content takes to load), INP (how quickly the page responds to input), and CLS (how visually stable the app is, meaning whether content shifts unexpectedly).
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sentry

React Native performance tactics: Modern strategies and tools

Aug 20, 2025 By Simon Grimm In Sentry
This is a guest post by Simon Grimm, founder of Galaxies.dev, a platform dedicated to helping developers master React Native through hands-on courses, expert guidance, and personal support. React Native performance matters more in 2025 than ever before. With the New Architecture now stable and apps competing against lightning-fast native experiences, users expect sub-second load times and buttery-smooth 60fps interactions.
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sentry

You built the MCP server. Now track every client, tool, and request with Sentry.

Aug 14, 2025 By Sasha Blumenfeld In Sentry
TL;DR - Starting today, you can instrument most server-side JavaScript SDK based MCP servers with one line of instrumentation code within your MCP SDK implementation. Click to Copy Click to Copy With this in place, you’ll be able to see details like protocol usage, client usage, traffic, tool usage, and performance across your MCP implementation.
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Sentry MCP server monitoring

Aug 14, 2025 By Sentry In Sentry
We just launched MCP server monitoring in beta. You can instrument most server-side JavaScript SDK based MCP servers with one line of instrumentation code within your MCP SDK implementation using: wrapMcpServerWithSentry(McpServer) See details like protocol usage, client usage, traffic, tool usage, and performance across your MCP implementation so you you can get visibility into all the sharp edges that your MCP server has — who’s using it, how it’s working (or not), and get alerted when things break.
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sentry

Common Unity errors and how to fix them

Aug 7, 2025 By Abuld D. In Sentry
Unity has a reputation for handing out surprises: the play-mode freeze just after a hot-reload, the sudden sea of pink materials, or the stack trace that politely reminds you your transform was null all along. Rather than letting those moments derail the rest of your sprint, this post rounds up four of the most common runtime offenders, and shows you exactly how to trigger, spot, and fix each one.
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sentry

Boosting Session Replay performance on iOS with View Renderer V2

Aug 6, 2025 By Phil Niedertscheider In Sentry
After making Session Replay GA for Mobile, the adoption rose quickly and more feedback reached us. In less great news, our Apple SDK users reported that the performance overhead of Session Replay on older iOS devices made their apps unusable. So we went on the journey to find the culprit and found a solution that yielded 4-5x better performance in our benchmarks.
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