MARS (Multi-Agent Ruby SDK) provides a comprehensive framework for developers to implementmulti-agent solutions using pure Ruby. It offers a simple API for orchestrating multiple agents.

A bunch of CLI tools I made for my own use.

A Ruby gem that provides tooling for connecting to and inspecting MCP servers, allowing you to list and execute tools, resources, and prompts with JSON output.

mcp_toolkit extracts the shared MCP-server framework that Smily's apps grew independently: a Streamable-HTTP transport, cache-backed sessions, central-app token introspection (satellite + authority roles), a registry-driven "generic tools over N resources" dispatcher, and an injectable serializer...

A Phlex-based Markdown renderer that generates Markdown output

Add measures to your Ruby application and operate avoiding primitive obsession

Meibo is a ruby library for OneRoster CSV Binding Japan Profile.

Toolkit for creating convenient classes with lazy calculations.

Generate Diagrams and Flowcharts with Mermaid

This gem allows you to store some text in a simple-key value format and fetch it whenever you need from your methods. Various classes may have different messages attached and apply different fetching logic. Messages also support interpolation and can be stored in separate YAML files.

Interactive CLI that renders {{placeholder}} messages against a CSV contact list and dispatches through pluggable services scoped by delivery method (email, sms).

MetabaseQuerySync is a tool for automatically syncing metabase queries defined in files to a specific metabase installation.

Ruby API layer that transparently queries, scrapes and caches Metal Archives' website

A parser of enriched file path metadata.

metasploit-framework

A 'personal assistant' supplying utilities and libraries for general Ruby and Bash use.

A simple tool to gracefully manage your env files.

The TUI framework for Ruby, inspired by the bubbletea framework for Go.

A minitest plugin for testing Shopify Liquid themes

It is a tiny presentation layer with a small DSL to define properties, collections, light type coercion via dry-types, and optional ActiveModel validations. It's designed to be framework-friendly but not framework-bound.