Give your Rails app
a brain
Logs, errors, performance, and feature flags in one thoughtfully designed platform. Built for Rails developers.
Four tools, one platform
Everything you need to understand your application
Structured logging
Search across millions of logs instantly with a query language that feels natural.
Error tracking
Catch errors before your users notice. Smart grouping and AI-powered insights.
Performance monitoring
Track request times, database queries, and background jobs in real-time.
Feature flags
Toggle features instantly. Roll out to specific users or percentages.
One gem,
full observability
Add Brainz Lab to your Gemfile and you're ready. No complex configuration, no agents to manage. It just works with your Rails app.
- Automatic request tracing
- Background job monitoring
- Database query insights
- Real-time error alerts
# Gemfile gem 'brainzlab' # That's it. Start logging: BrainzLab.info("User signed up", { user_id: user.id, plan: "starter" })
"Finally, observability tools that understand Rails. Brainz Lab feels like it was built by someone who actually ships Rails apps."
Sarah Chen
Senior Engineer at Basecamp
Ready to get started?
Free tier includes everything you need to get started. No credit card required.