sentry-ruby-setup
Setup Sentry in Ruby apps. Use when asked to add Sentry to Ruby, install sentry-ruby gem, or configure error monitoring for Ruby applications, Rails, or Sidekiq.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/getsentry/sentry-agent-skills --skill sentry-ruby-setup- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads sentry-ruby-setup automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Sentry Ruby Setup
Install and configure Sentry in Ruby projects.
Invoke This Skill When
- User asks to "add Sentry to Ruby" or "install Sentry" in a Ruby app
- User wants error monitoring, logging, or tracing in Ruby
- User mentions "sentry-ruby" gem or Ruby on Rails
Important: The configuration options and code samples below are examples. Always verify against docs.sentry.io before implementing, as APIs and defaults may have changed.
Requirements
- Ruby 2.4+ or recent JRuby versions
Install
Add to Gemfile:
gem "sentry-ruby"
# For profiling, add ONE of:
gem "stackprof" # SDK 5.9.0+ — works on all Ruby versions
# gem "vernier" # SDK 5.21.0+ — requires Ruby 3.2.1+, better for multi-threaded servers
# Also requires: config.profiler_class = Sentry::Vernier::Profiler
Then run:
bundle install
Configure
Initialize as early as possible:
require "sentry-ruby"
Sentry.init do |config|
config.dsn = "YOUR_SENTRY_DSN"
config.send_default_pii = true
# Breadcrumbs from logs
config.breadcrumbs_logger = [:sentry_logger, :http_logger]
# Tracing
config.traces_sample_rate = 1.0
# Profiling (requires stackprof or vernier gem)
config.profiles_sample_rate = 1.0
# config.profiler_class = Sentry::Vernier::Profiler # Uncomment if using vernier
# Logs
config.enable_logs = true
end
Rails Integration
For Rails, add to config/initializers/sentry.rb:
Sentry.init do |config|
config.dsn = ENV["SENTRY_DSN"]
config.send_default_pii = true
config.breadcrumbs_logger = [:active_support_logger, :http_logger]
config.traces_sample_rate = 1.0
config.profiles_sample_rate = 1.0
config.enable_logs = true
end
Rails-specific Gems
# Gemfile
gem "sentry-ruby"
gem "sentry-rails" # Rails integration
gem "sentry-sidekiq" # If using Sidekiq
gem "sentry-delayed_job" # If using Delayed Job
gem "sentry-resque" # If using Resque
Configuration Options
| Option | Description | Default |
|---|---|---|
dsn | Sentry DSN | nil (SDK no-ops without it) |
send_default_pii | Include user data | false |
traces_sample_rate | % of transactions traced | nil (tracing disabled) |
profiles_sample_rate | % of traces profiled | nil (profiling disabled) |
enable_logs | Send logs to Sentry | false |
environment | Environment name | "development" (checks SENTRY_CURRENT_ENV, SENTRY_ENVIRONMENT, RAILS_ENV, RACK_ENV in order) |
release | Release version | Auto-detected |
Breadcrumb Loggers
| Logger | Description |
|---|---|
:sentry_logger | Sentry's own logger |
:http_logger | HTTP request breadcrumbs |
:redis_logger | Redis command breadcrumbs |
:active_support_logger | Rails ActiveSupport (Rails only) |
Environment Variables
SENTRY_DSN=https://xxx@o123.ingest.sentry.io/456
SENTRY_AUTH_TOKEN=sntrys_xxx
SENTRY_ORG=my-org
SENTRY_PROJECT=my-project
Verification
# Capture test message
Sentry.capture_message("Test message from Ruby")
# Or trigger intentional error
1 / 0
Troubleshooting
| Issue | Solution |
|---|---|
| Errors not appearing | Ensure Sentry.init called early, check DSN |
| No traces | Set traces_sample_rate > 0 |
| No profiles | Add stackprof gem, set profiles_sample_rate |
| Rails errors missing | Use sentry-rails gem instead of sentry-ruby |
FAQ
What does the sentry-ruby-setup skill do?
Setup Sentry in Ruby apps. Use when asked to add Sentry to Ruby, install sentry-ruby gem, or configure error monitoring for Ruby applications, Rails, or Sidekiq.
How do I install sentry-ruby-setup?
Run npx skills add https://github.com/getsentry/sentry-agent-skills --skill sentry-ruby-setup in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/sentry-ruby-setup/ (personal) or .claude/skills/sentry-ruby-setup/ (project).
Which AI agents can use sentry-ruby-setup?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is sentry-ruby-setup safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains sentry-ruby-setup?
It is published by getsentry in getsentry/sentry-agent-skills, and it is an official skill from the maker of the technology it covers. It has 104 recorded installs.
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