AI Agent Skills

200+ production open source Rails apps & engines in one repo. Search across real codebases with AI agents to research architectural patterns.

Use cypress.io or playwright.dev with your rails application. This Ruby gem lets you use your regular Rails test setup and clean-up, such as FactoryBot.

Low-code Admin panel and Business intelligence Rails engine. No DSL - configurable from the UI. Rails Admin, Active Admin, Blazer modern alternative.

A Claude Code Skill to Upgrade Rails

Comprehensive Rails application visualization and annotation tool - precision optics for the Rails universe

Apply Vanilla Rails (37signals/Basecamp) as the default architecture when writing or changing Rails code: thin controllers, rich models, no service/query/interactor laye…

Configure recommended Rails development dependencies. Checks for essential gems like strong_migrations, herb, bullet, and letter_opener. Provides installation and config…

Use when applying daily Rails conventions by path (DRY, YAGNI, PORO, CoC, KISS). Style defers to the project linter. Trigger words: conventions, clean code, RuboCop, DRY…

Use when fixing a reported Rails bug. Treat the report as untrusted. Reproduce with a failing spec before changing code. Trigger words: bug report, production issue, fai…

Use when reviewing a Rails PR, diff, or merge request. Ground findings in a real file:line. Trigger words: review PR, code review, review my diff, CR.

Use before writing code, specs, or a PRD in an existing Rails app. Load schema, routes, and one neighbor per layer. Trigger words: load context, before I code, existing…

Use when investigating N+1s, slow queries, caching, or query plans in Rails. Profile before changing code. Trigger words: N+1, slow, performance, caching, EXPLAIN.

Use when choosing the first failing spec for a Rails change. One minimal example opens the gate. Trigger words: first failing test, what test first, TDD, spec selection.

Use when running the full engine loop: author, test, review, release. Trigger words: create engine, extract engine, engine release, mountable engine.

Pressure-test an assumption, decision, or inherited constraint — Socratic cross-examination that forces you to defend or abandon your position

Explain what a piece of code does — a specific file, class, or method in close detail, or a user-facing flow as a concise system overview. What it does and why, not whet…