Rack middleware to remove "HTTP_X_FORWARDED_FOR" in the Rack environment and replace "REMOTE_ADDR" with the value of the original client address.

Upfluence common utils for Ruby projects

upr is Rack middleware that allows browser-side upload progress monitoring. It is based on (and should be client-side compatible with) several upload progress modules including ones used by leading web servers. It allows any Moneta backing store in addition to DRb. There is also a packaged exa...

A Ragios plugin that uses a real web browser to monitor transactions on a website for availability

Don't re-write web scrapers every time. Upton gives you a scraper template that's easy to use for debugging and doesn't hammer servers by default.

Client for LSF PDF service

URL agent can handle common errors, concurrency and fallback for applications that call a large number of URLs.

Tokenize url by variety of providers.

Library for building a useless.io-compliant APIs in Ruby.

For parsing and serving Useless documentation.

Secure your application with multi-factor authentication, user activity monitoring, and real-time threat protection.

Usmu is a static site generator built in Ruby that leverages the Tilt API to support many different template engines. It supports local generation but is designed to be used with the web-based editor.

Prevents invalid UTF8 characters from the URL and other env vars reaching your app

Use this rack middleware to add umlauts to your u's where appropriate.

The uWSGI server for Ruby/Rack

uzuuzu core library

A Ruby gem implementing the Model Context Protocol (MCP) server-side specification. Provides a framework for creating MCP servers that expose tools, resources, prompts, and roots to LLM clients with comprehensive security features, structured logging, and production-ready capabilities.

Verboten Keys is a last line of defense to help prevent you and your team from accidentally leaking private information via your APIs.

Middleware to verify Nexmo signatures

Distributed tracing for Rails applications