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Sentry Ruby SDK

https://github.com/getsentry/sentry-ruby
Visit sentry.io
Category
Developer Tools
Rank
No. 359Tools index
Pricing
Open Source
Type
TOOL
Builder
getsentry
GitHub
987 stars
Latest release
7.0.0
Date

About

Official Sentry SDK for Ruby — error monitoring and performance tracing for Rails and Ruby services.

What it does

It instruments Ruby applications, sends captured failures and transaction data to Sentry, and lets teams enrich events with breadcrumbs, context, and tags. Tracing can use a uniform sample rate or finer sampling rules.

Why it's ranked here

The SDK covers a broad Ruby service stack without forcing every integration into the core package. Dedicated gems connect Rails, Rack, major job systems, OpenTelemetry, and Yabeda, while the repository tests multiple Ruby and dependency combinations.

What's good

Its modular packaging keeps integrations explicit. Ruby support spans versions 2.4 through 4.0, plus JRuby 9.0. Event enrichment, configurable trace sampling, structured logging, and propagation headers provide useful control beyond basic exception capture.

Tradeoffs

It requires a Sentry destination and a configured connection identifier. Self-hosted installations must exceed version 20.6.0. Performance data needs sampling configuration, and framework or worker support may require extra gems. The bundled example applications are explicitly unmaintained and unsafe for production use.

How to use it well

Use it in Ruby services that already send operational data to Sentry, especially Rails applications with background jobs or OpenTelemetry instrumentation. Start with the core gem, add only relevant integrations, and tune trace sampling deliberately. It does not provide the Sentry server, deployment platform, or general application logging system.

Technical notes+

README.md documents Sentry.init, DSN configuration, trace sampling, supported runtimes, and optional integration gems. .scripts/batch_build.rb builds sentry-ruby plus six integrations, while .scripts/batch_release.rb synchronizes their version constants and core dependency constraints. bin/lib/matrix.rb expands each gem's test-matrix.json into canonical Bundler lockfile cells across Ruby and dependency axes. spec/spec_helper.rb configures RSpec, Capybara, headless Chrome, debug transport, and structured logging for end-to-end tests. spec/apps/rails-mini/app.rb exercises Rails, Active Job adapters, trace propagation, errors, and structured logs; spec/apps/svelte-mini/src/main.js supplies a browser-side tracing counterpart. .craft.yml publishes gem and registry artifacts.

Observed

License
MIT License
Primary language
Ruby
Install surface
RubyGems packages, with a core gem and optional integration gems
Interface
Ruby library SDK configured inside an application
Runtime support
Tested with Ruby 2.4 through Ruby 4.0 and supports JRuby 9.0
Integrations
Rack, Rails, Sidekiq, DelayedJob, Resque, OpenTelemetry, and Yabeda
Repository structure
Monorepo containing the core SDK and six separately packaged integrations

Read from README.md, Gemfile, .scripts/batch_build.rb, .scripts/batch_release.rb, bin/lib/matrix.rb, spec/spec_helper.rb, spec/apps/rails-mini/app.rb, spec/apps/svelte-mini/src/main.js, .rspec, LICENSE, Rakefile, AGENTS.md, CLAUDE.md, .craft.yml, .mise.toml.

What it can do

  • Capture and report runtime errors

    Ruby application exceptions and errors → Detailed error reports sent to Sentry dashboard

  • Monitor application performance

    Ruby application execution metrics → Performance traces and timing data

  • Track custom events

    User-defined events and messages → Custom event data in Sentry interface

  • Add contextual information to errors

    User data, tags, and additional context → Enriched error reports with contextual metadata

  • Filter and sample error reports

    Configuration rules and sampling rates → Filtered subset of errors based on defined criteria

  • Integrate with Rails applications

    Rails application configuration → Automatic error and performance monitoring for Rails apps

Tags

rubyrailssentrysdkerror-monitoring

Tech Stack

Ruby

Media

Sentry Ruby SDK

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