Generate Mermaid class and ER diagrams from Rails models, controllers, and database metadata.

JSON Driven, Stateless Rules Engine for JIT and efficient evaluation of complex rules and computation graphs.

lilac-cli compiles .lil single-file components (template + Ruby script) into static HTML for the Lilac component runtime on mruby-wasm.

linecounter scans a git repository and reports per-file quality signals: non-empty lines of code, git churn, control-flow branching, and class-structure counts with average statement lines per item. Output as text or JSON.

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

PRISM is amazing but we need to use it responsibly and only load the AST once, do that with Lowkey!

A layer of abstraction on top of Ripper for handling Abstract Syntax Trees in Ruby.

A MLIR dialect for ruby

Moult sheds dead code. `moult hotspots` ranks files by a complexity x churn score (Prism-parsed ABC complexity per method x per-file git churn); `moult deadcode` lists confidence-graded unused-method and unused-constant candidates over a rubydex definition graph, with Rails entrypoint awareness. Every finding carries a confidence and its reasons, never a claim of certain death.

Necropsy combines static call-graph reachability, optional dynamic evidence, and CI guardrails for Ruby dead-code detection.

Configure Minitest with common plugins and options to make it even nicer to use.

A production-ready AI agent platform: multi-provider (Ollama, OpenAI, Anthropic), typed tool system with permissions, three-tier memory, structured observability, loop detection, plugin architecture, interactive REPL, and project indexing. Works out of the box with local Ollama models; drop in OpenAI or Anthropic keys to upgrade.

Optimize is an ahead-of-time YARV bytecode optimizer for CRuby. It decodes iseq binaries into an in-memory IR, runs a configurable pipeline of passes (constant folding, inlining, dead-stash elimination, arithmetic reassociation, and others) under a narrow contract that the program's hot path respects, and re-emits an optimized iseq. Intended as a demo and an experiment, not a production compiler.

Augments ruby-lsp hover and go-to-definition with type information from sorbet/rbi/**/*.rbi. Drop it in your Gemfile and it just works.

Point pinspec at a Rails service object or model method and it works out how to invoke it, executes it against your test database, and emits an idiomatic RSpec file that freezes the current behavior - then verifies that file runs green in your app's own test environment.

A tool for writing manuals for Prawn and Prawn accessories

extend ruby prism

☯️ Prism-backed Ruby provider gem for the Structured Merge Ruby family.

Proscenium integration for Phlex

Inspects your Rails routes, controllers and schema to produce config/rails-api-docs.yml, then renders a Scalar-style three-column HTML page at public/api-docs.html. Includes a live preview mount at /rails/api-docs in development.