Define additional sets of validations beyond the standard "errors" that is tied to the ActiveRecord life-cycle. These additional sets can be defined with all the standard ActiveRecord::Validation macros, and the resulting collection is a standard ActiveRecord::Errors object.

Valle automatically sets minimum and maximum values for the fields of your ActiveRecord model(s), so you shouldn't worry, that string length or ID value will exceed the permissible limit.

When an ActiveRecord/ActiveModel model won't save because it's invalid, this gem writes the validation error messages to the log.

Lets you use the Workflow gem with your Mongoid documents to add state machine functionality.

Yabeda plugin for easy collection of ActiveRecord metrics: query performance, connection pool stats, etc.

Adds methods for getting a zodiac sign from any Date/Time object containing a date of birth, and can also extend ActiveRecord::Base adding some handy instance and class methods (for searching by a given zodiac sign and more).

A streamlined, production-focused toolkit for building MCP servers in Rails applications. Provides essential base classes, authentication gateways, and HTTP transport with minimal dependencies.

A framework that allows to write a domain server, that processes commands and creates events. You should have exactly one domain server for your Rails Disco applications. The domain runs in a domain specific database environment. This helps to make sure no other process interferes wi...

Contains commands, events, validations for Rails Disco. Commands are used to transport updates from Rails to the domain. Validations are used to validate commands in Rails and the domain. Events are created in the domain and processed in projections. Have a look at the rails...

HyperLogLog for Rails and Postgres

Extensions for active_interaction gem

Ruby library to automatically preload data for your Active Model Serializers

Simply cache whatever you want by using cachers which will help you maintain cached objects and expire them when they are changed. Support Rails 3, 4, 5.

Make ActiveRecord null model aware.

A Rails pattern for calling external APIs, then storing and processing their responses

Contains everything necessary to build and run projection servers for Rails Disco. Projections process events into database models that are optimized for the Rails views. Have a look at the rails-disco documentation on Github for more details.

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora (MySQL-compatible and PostgreSQL-compatible editions). Perfect for small Rails on AWS Lambda.

Allows you to manage preload condition by `:if` condition.

Makes read-only models easier to implement in ActiveRecord 3.x/4.x/5.x.

Make ActiveRecord queries cacheable throughout your apps!