Infrastructure

Sentry

Error monitoring and performance tracing with release tracking, session replay, and first-class Next.js support.

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Sentry is the default error-tracking tool for modern web apps and has earned that position by being genuinely good at what it does. The Next.js SDK captures client-side and server-side errors with a single install, groups errors intelligently by stack trace and release, and integrates release tracking via git SHA. Session Replay lets you watch exactly what the user did before the error. The most valuable feature for small teams is that the free tier is generous enough to cover real traffic while you figure out if you need a paid plan. Pair it with a single alert routed to Slack or PagerDuty and you have the error half of your observability stack on day one.

error-tracking monitoring observability nextjs performance

Sentry at a glance

Last verified October 17, 2026

Pricing: Developer - Free: one user, error monitoring and tracing, 5k errors, email alerts, MCP access
Team - $26/mo billed annually with default pre-paid data: unlimited users, 50k errors, API and third-party integrations
Business - $80/mo billed annually with default pre-paid data: unlimited custom dashboards, advanced quota management, SAML and SCIM
Enterprise - contact sales
Seer AI Debugger - $40/active contributor/mo add-on for Team, Business, or Enterprise
Install: npx @sentry/wizard@latest -i nextjs
Models: Sentry is an error monitoring and tracing platform with SDKs for JavaScript, React Native, Android, Rust, and more. Its paid Seer AI Debugger add-on does root cause analysis and fix generation. Seer can pull in external telemetry such as Datadog and Google Cloud Platform, and agents can work with Sentry through its MCP server.
Recent changes: Oct 16Explore > Agents can now sort and filter agent conversations by cost, token count, tool calls, and errors.
Oct 9JavaScript SDKs trace more AI frameworks, providers, and classifiers across Node.js, Bun, Cloudflare, and Deno, and Logs search adds regular expressions.
Oct 1Sentry MCP lets agents create, edit, and delete Alerts and Metric Monitors, link external tickets to issues, and see suspect commits.

Sources: Sentry pricing, Sentry for Next.js, Sentry changelog

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Error monitoring and performance tracing with release tracking, session replay, and first-class Next.js support.

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