342 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.
dhruvasagar/ruby-upgrade-toolkit
Plugin Claude Code
Bundles 7 skills, 6 commands, 2 agents, 2 hooks · 570 tokens together
Upgrade Ruby and Rails safely: audit breaking changes, plan a phased roadmap, fix code and dependencies, verify with RSpec and RuboCop.
ombulabs/claude-code_dual-boot-skill
Plugin Claude Code
Bundles 1 skill · 84 tokens together
Sets up and manages dual-boot Ruby and Rails environments using the nextrails gem, based on FastRuby.io methodology.
nagstler/rails-llm-integration
Skill Claude CodeCodex
Production-grade LLM integration patterns for Ruby on Rails applications. USE THIS SKILL when the user needs to: integrate OpenAI, Claude, or any LLM API into a Rails app; use rubyllm gem or langchain-rb gem in Rails; build AI-powered features in Rails; manage prompts as templates; route between LLM models for cost…
SonicGarden/copy-tuner-ruby-client
Skill Claude Code
A workflow for moving internationalized text from CopyTuner, a centralized translation-management service, into Rails' local YAML translation files one key prefix at a time.
Agent Claude Code
System architect for Sinatra applications focusing on scalability, API design, microservices patterns, and modular architecture. Expert in large-scale Sinatra systems.
MCP server Claude CodeCodexCursor +2
MCP server for Ruby console interaction. Execute Rails console, IRB, or Racksh commands through Model Context Protocol with persistent session support. Runs locally from the ruby-console-mcp npm package.
Plugin Claude Code
Bundles 19 skills, 11 agents · 5,859 tokens together
Rails development plugin with specialized agents and portable Skills. Agents are lean orchestrators that load domain-specific Skills for models, controllers, views, services, jobs, testing, architecture, DevOps, GraphQL, Hotwire, API design, mailers, authentication, caching, Ruby refactoring, object-oriented design…
Cursor rule Cursor
Follow Rails 8.0 view standards with Tailwind CSS in ERB templates.
Skill Claude Code
Check a GitHub Pull Request's Ruby/Rails changes against a Ruby and Rails smell, antipattern, and testing checklist using the gh CLI and provide a prioritized report.
Cursor rule Cursor
Cursor rule "rspec-let-do-blocks" from panozzaj/cursor-rules, covering multi-line array, multi-line method call with keyword args, multi-line hash definition, complex single line expression and using { ... } for multi-line blocks.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-test" as configured in foobara/mcp-connector. Launched with examples/simple-mcp-server-example.
Skill Claude CodeCodex
Expert knowledge of rcurses Ruby TUI library for creating terminal user interfaces. Activate when building Ruby TUI applications, working with terminal panes, handling user input, or debugging rcurses applications. Covers initialization, pane management, text formatting, cursor control, and common pitfalls.
Skill Claude CodeCodex
Expert Ruby on Rails development with Rails 7/8 conventions, security hardening, and performance patterns.
Cursor rule Cursor
Rails conventions and best practices.
Skill Claude CodeCodex
Develop and maintain Rage apps (Gemfile includes gem "rage-rb") - controllers, routing, server-sent events, deferred jobs, events, websockets, OpenAPI, logging/telemetry, sessions/cookies, and RSpec.
Skill Claude CodeCodex
The house Rails style, distilled from 37signals practice (Campfire, Fizzy, DHH's reviews). Use for all Rails coding, refactoring, and code review so architecture, naming, and safety standards stay consistent; fires on work touching models, concerns, controllers, routing, REST, authorization, dependencies, naming…
Agent Claude Code
Use when building or modernizing Rails applications requiring API development, Hotwire reactivity, real-time features, background job processing, deployment automation, or Rails-idiomatic patterns for maximum productivity. Version-aware: adapts to Rails 7.x and 8.x projects.
MCP server Claude CodeCodexCursor +2
RubyGems MCP — wraps the RubyGems.org public API (free, no auth). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
MCP server for RubyHash (rubyhash.dev): diff two Ruby hashes from failing Minitest/RSpec output and convert Ruby hash literals to sorted JSON. Runs entirely locally, nothing is uploaded. Runs locally from the rubyhash-mcp npm package.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: