Modern circuit breaker for Ruby & Rails. Thread-safe, fiber-ready async support. Built-in fallbacks, rich introspection, clean DSL. Memory-efficient with jitter & monitoring.
OTP-style supervision trees over Ruby threads. AMS Armstrong, NCC-3186.
Rails Engine with MCP compliant Spec.
It knows what language you speak. Language detection for Ruby (pure Ruby + optional Rust engine) and Rust.
Comprehensive Rails application visualization and annotation tool - precision optics for the Rails universe
A standardized Ruby interface for multiple project management APIs (Jira, Basecamp, Trello, etc.).
Activejob Stats is an Activejob addon that will collect and send data samples from your Jobs to various stat servers
Advanced rate limiting library for Ruby. Rate limit anything - API calls, AI requests, background jobs. Features GCRA, token bucket algorithms, circuit breakers, and multiple storage backends.
Deadline propagation and cooperative cancellation for Ruby. AMS Layland, NCC-0112.
Unified Error Reporter
Run Rack apps (Rails, Sinatra, Roda) as Mothership bays. Puma replacement: a Rust native engine turns docking-protocol frames into Rack calls on preforked, threaded workers.
PostGIS extension for ActiveRecord's PostgreSQL adapter. Adds spatial types and queries to Rails 8+ with zero configuration.
Puma integration for Capistrano
Token-optimized Minitest reporter for LLM consumption with regression tracking
Example app how to use Capistrano gems.
New Relic integration for Capistrano 3
Fault injection and chaos engineering for Ruby. AMS Gray, NCC-0401.
Async-first search abstraction for Ruby/Rails with multi-backend support (OpenSearch, Elasticsearch, Typesense, PostgreSQL)
A drop-in Minitest runner with a Rust core: every test in its own padded cell.
Vial: fixtures, reinvented — compile programmable fixture intent into deterministic Rails fixtures.
A minimal Rails API template for creating MCP (Model Context Protocol) servers with robust tool execution capabilities and examples.
Sidekiq integration for Capistrano
A Ruby Client for HostedGraphite
Inspeqtor integration for Capistrano