Rack helper for presenting MongoDB GridFS Files

Rack bearer-token middleware (RFC 6750), OAuth protected-resource and authorization-server metadata endpoints (RFC 9728 / RFC 8414), and an AuthProvider for delegated token exchange in MCP servers. Wraps no MCP SDK; attaches to any Rack app, including servers built on the official mcp gem.

Assert-methods (sugar) and a tiny DSL to facilitate testing of rack apps with Rack::Test.

Assert with Rack::Test

Simple Rack module and servlet for Trinidad based on Mizuno

HTTP Caching for Rack

Add customer support to a Rails app in one step: live chat widget, AI chatbot that answers from your knowledge base, a public help center, and support tickets with human-approved replies. The gem injects the DeskCrew widget through a view helper or an opt-in Rack middleware (works with Hotwire, T...

Accept Bitcoin Lightning payments directly into a wallet you control, from your Ruby or Rack application. OpenReceive provides invoice creation, payment checks, and settlement reconciliation through a receive-only Nostr Wallet Connect (NWC) client. Optional swaps let customers pay with USDT, USDC...

A web console for Rack apps.

Better i18n for your Rack apps. Uses the same translation backend as Rails.

Truss is a Rack based framework that creates Rack endpoints with a nice DSL

Rack middlware to render single page apps (or any html page with javascript) with phantomjs and return plain html for bots.

A Rack middleware to redirect IE6 users out of your website

A rack middleware to cache requests in static files, a la Rails' page_cache

Operate of the VCR cassette on Rack

Rack middleware for automatically cleaning markup using Tidy. Now with HTML5 support!

Integrates [squash](https://github.com/SquareSquash/web) logging into your rack apps.

An extension to the "chef-sugar" gem with rackspace specific helpers.

Rack middleware for connecting Rack applications to rules.io, with extensions for Rails 3 applications.

A Simple Rack application that provides a REST interface for Coin.