Divide your javascript like you divide your ruby code. Put it in controllers and actions and write clean, scalable code.

To limit the requests number of a user on an action's controller

See in live what is happening on server in real-time. Track all activities.

Realtime debug dashboard for Rails applications

RailsLLM integrates the llm.rb runtime and its features into Rails. RailsLLM extends the builtin ActiveRecord support available to the llm.rb runtime with a Rails integration that includes generators for getting set up quickly, and an engine for a stream-capable chat interface that can be extended with your own tools. The llm.rb runtime runs on Ruby's standard library by default. loads optional pieces only when needed, and offers a single runtime for providers, agents, tools, skills, MCP, A2A (Agent2Agent), RAG (vector stores & embeddings), streaming, files, and persisted state.

Log all Rails things to STDOUT

creates look up table functionality on a model

Simple implementation of state machine for Rails using enums.

RailsMagick provides a simple interface with command line ImageMagick for manipulating images.

Rename rails models, magically

Form helpers for edit fields such as zoom, longitude and latitude

Rails Marketplace.

expose presence-validation in a more controller-friendly manner

Use this gem to match attributes between your object instances. It basically returns the percentage of attributes matched between two instances.

MCP server that indexes codebases using AST-aware chunking and vector embeddings, providing semantic search for Claude Code and other MCP clients.

Generate rack middleware for Rails

this plugin is designed to quickly generate views for Rails applications in need of dashboard functionality. This includes admin panels and SaaS applications. I found that over the course of my projects, I needed Dashboard pages very often, so by creating this gem, I'm at least saving my self a bunch of time...

Rails engine that provides a JSON API which serves Sidekiq and Whenever status information from a HTTP-auth protected endpoint. This status information is gathered by scheduling a frequently running job that saves timestamps in Redis.

Run Rails commands in your web browser for some customised, useful outputs

Gem that auto-instruments application with OpenTracing