Rails-compatible, ActiveSupport-integrated logging for Grape APIs, including request context and ActiveRecord timings.

Slack bot implementation for ruby-grape

Horologium is a Ruby library dedicated to scientific time: the time scales, high-precision instants, Julian Dates, intervals, and rigorous conversions between scales.

Build and coordinate AI agents that work together to accomplish complex tasks.

Build line, bar, scatter, histogram, and other charts as standalone SVG or PNG.

InTimeScope provides time-window scopes for ActiveRecord models.

CLI and library for irastoya

Gitlab CLI in ruby, use gem gitlab

JSONRPC Interface for Ruby projects realised in object oriented way. JRPC Request, JRPC Notification, JRPC Response, JRPC Error Response, JRPC Object Builder and JRPC Error Codes.

🔮 Kettle::Jem provides gem scaffolding, templating, and setup automation using the *-merge gem family for AST-based file merging and token-resolver for template token resolution. Includes MergerConfig presets, YAML recipes, and a complete gem template scaffold.

Konpeito is a gradually typed ahead-of-time compiler for Ruby with Hindley-Milner type inference and dual LLVM/JVM backends. Compile Ruby to CRuby C extensions (.so) or standalone JARs with seamless Java interop. Includes Castella UI, a reactive GUI framework powered by Skia, based on a port of C...

Ioc container for ruby 3+

Don't write your code, and rbs types! Write the rbs types first, then generate a template to fill in with business logic.

A Ruby extension implementing the R-tree spatial-index of Guttman-Green.

A resource-oriented Ruby client for listmonk's HTTP API.

システムが稼働する上で最初から必要なデータ（マスタデータ）を管理するツールです。

Add MCP tool serving to any Rails app. Write @rbs type annotations with predicate tags (@requires, @feature, or custom) and the gem compiles per-user JSON Schema automatically — filtering fields by permissions, feature flags, and plan tiers at request time.

The Model Context Protocol is an open standard that enables developers to build secure, two-way connections between their data sources and AI-powered tools.

SHM Chat app using gRPC and Ricart-Agrawala algorithm

I created this gem to convert Mercosur plates to Brazilian plates and vice versa.