An ActionView-compatible ERB engine with modern DX - re-imagined with Herb.

A Rails engine providing a web dashboard for monitoring and managing one or multiple PgBouncer connection poolers.

RuboCop plugin for ERB template.

Phoenix LiveView-style live components for Ruby on Rails. Server-side state management over ActionCable with reactive variables, automatic change detection, and Stimulus integration.

browsable audits a Rails application's CSS, HTML, ERB, and JavaScript and reports which browsers can actually render and run it, then compares that against the project's declared allow_browser policy. It is a thin Ruby orchestrator over best-in-class external tools (Herb, stylelint, eslint).

Adds ERB file processing capability to Calltally using the herb gem

It breaks longs lines and integrates with Ruby and JS/CSS formatters

Build-time DSL (routes, schema, models, migrations), codegen pipeline, CRuby dev loop, and a `fresco new` generator. Targets Spinel for release builds.

A Haml-to-ERB migration tool for Rails templates.

A HAML to ERB converter for migrating Rails views. Handles tags, attributes, Ruby code, blocks, filters, and interpolation.

Herbst provides tooling to translate Haml, Slim, and other HTML templating languages into the unified syntax tree used by Herb, enabling HTML-aware tooling across different HTML templating languages.

A collection of utilities and enhancements for Rails applications including database optimizations, background processing helpers, and developer tools.

A new HTTP server framework for Ruby.

rails-cto bundles the quality toolchain (RuboCop, Reek, Flog, Flay, Brakeman, bundler-audit, SimpleCov, Herb) that the rails-cto Claude plugin expects, and ships matching configuration templates you can drop into any Rails app with `rails-cto init`. It also provides a custom RuboCop cop that enforces the Minitest::Spec `subject` convention used by the plugin's skills.

MCP server that indexes codebases using AST-aware chunking and vector embeddings, providing semantic search for Claude Code and other MCP clients.

ReferenceExtractor parses Ruby code to produce a graph of constant and file references that other tools can use for rules like layering or dependency checks.

A RuboCop extension that enforces ViewComponent best practices and conventions

Extracts Ruby code from view templates (ERB, etc.) for Sorbet type-checking, with LSP support

Opinionated auditing and enforcement for design-system consistency: component inventory, icon sprites, type scale, and color token management.

Upkeep records the data and identity dependencies used while Rails renders a view, then updates subscribed frames when matching application data changes.