Adam Meehan

jemalloc_rb. gem install jemalloc_rb && bundle exec je rails s

security-audit-skill. A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings

skills. Skills for Real Engineers. Straight from my .claude directory.

sideshow. The missing visual surface companion for agents - generate UI mockups, data visualizations, code explainers, and more

cloud-run-hello. Demo container for Google Cloud Run

Rubyzen. Rubyzen is a modern linter for Ruby that allows you to write architectural lint rules as unit tests. In the era of AI-generated code, Rubyzen provides your team with deterministic guardrails to keep your codebase clean, maintainable, and consistent as it grows.

Peekaboo. Peekaboo is a macOS CLI & optional MCP server that enables AI agents to capture screenshots of applications, or the entire system, with optional visual question answering through local or remote AI models.

grover. A Ruby gem to transform HTML into PDFs, PNGs or JPEGs using Google Puppeteer/Chromium

localsend. An open-source cross-platform alternative to AirDrop

andrej-karpathy-skills. A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

security. Google's Security extension for the Gemini CLI that finds vulnerabilities in your code changes and pull requests.

sheets. Terminal based spreadsheet tool

clamav. ClamAV - Documentation is here: https://docs.clamav.net

doing. Ruby

logstruct. Zero-config, type-safe JSON logging for Ruby on Rails apps.

basecamp-cli. Basecamp CLI and Agent Skills

action_controller-stashed_redirects. Stash a redirect to execute a controller flow within another and return to the original flow later.

survey-library. SurveyJS is an open-source JavaScript form builder library that allows developers to create dynamic forms, multi-step form wizards, and survey applications. It supports React, Angular, and Vue.js (Vue 3), and can also be used in applications built with plain JavaScript.

rails_semantic_logger. Rails Semantic Logger replaces the Rails default logger with Semantic Logger, so that Rails, your application code, and many common gems all log through structured logging instead of plain text.

chess_rocket. Adaptive chess tutor powered by Claude Code — Stockfish engine, 3,627 openings, 284 puzzles, spaced repetition, and a live web dashboard.

query_lens. Natural language SQL query builder for Rails, powered by AI

active_record_properties. Type-safe properties stored in JSONB for ActiveRecord models. A modern, lightweight alternative to separate settings tables.

auditor. Cinc Gitlab mirror - Repository with patches and omnibus builders for inspec

lightpanda-ruby. Ruby client for the Lightpanda headless browser via CDP.

logcraft. A zero-configuration structured logging solution for pure Ruby or Ruby on Rails projects.

semantic_logger. Semantic Logger is a high-performance, asynchronous structured logging framework for Ruby and Rails.

mutations. Compose your business logic into commands that sanitize and validate input.

lefthook. Fast and powerful Git hooks manager for any type of projects.

rspec-openapi. Generate OpenAPI schema from RSpec request specs

browser. Lightpanda: the headless browser designed for AI and automation

killshot. A Penetration Testing Framework, Information gathering tool & Website Vulnerability Scanner

rails-assessment. A mountable Rails 8 engine that lets you ship dynamic, themeable assessments without building CRUD back offices.

wtfs. Fast macOS directory scanner using getattrlistbulk syscall

ruby-units. A unit handling library for ruby

gon. Your Rails variables in your JS

yaml-schema. A library for validating YAML documents against a schema

pagefind. Static low-bandwidth search at scale

beskar. WAF + Extra user protection for Rails apps

ruby-butler. Rust

passkeys-rails. PasskeysRails - easy to integrate back end for implementing mobile passkeys

serviette. Ractor-safe minimal web framework

state_machines. Adds support for creating state machines for attributes on any Ruby class

test-prof. Ruby Tests Profiling Toolbox

lazygit. simple terminal UI for git commands

ActiveRecordExtended. Adds additional postgres functionality to an ActiveRecord / Rails application

rv. 💎💨 Extremely fast Ruby version and gem manager

active_record-associated_object. Extract Collaborator Objects from your Active Records, a new concept called Associated Objects

state_machines-activerecord. StateMachines Active Record Integration

JPL. The JSON Programming Language

asset_ram. Reduce Rails allocations by 35%+ and gain a speed boost. Memoizes asset links.

database_consistency. The tool to avoid various issues due to inconsistencies and inefficiencies between a database schema and application models.

rack-mini-profiler. Profiler for your development and production Ruby rack apps.

signed_params. A lightweight library for encoding/decoding Rails request parameters

lakeFS. lakeFS - Data version control for your data lake | Git for data

active_storage_dashboard. A mountable Rails engine that provides a dashboard to view Active Storage data

isolator. Detect non-atomic interactions within DB transactions

slowpoke. Rack::Timeout enhancements for Rails

table_tennis. A Ruby library for printing stylish tables in your terminal.

slideck. Present Markdown-powered slide decks in the terminal.

basecamp-to-notion. Script to sequentially capture contents of Basecamp, parse and create in Notion (as much as possible)

acidic_job. 🧪 Durable execution workflows for Active Job

marksmith. GitHub-style markdown editor for Ruby and Rails

machinist. Fixtures aren't fun. Machinist is.

letter_thief. LetterThief allows your Ruby On Rails app to store sent emails in your database.

datagrid. Gem to create tables grids with sortable columns and filters

pretender. Log in as another user in Rails

deprecation_toolkit. ⚒Eliminate deprecations from your codebase ⚒

deciduous. App that simplifies building decision trees to model adverse scenarios

json4u. TypeScript

gcp-iam-brute. Python

tilt. Generic interface to multiple Ruby template engines

bundler-merge. WIP: Merge driver for Gemfile.lock

rspec-parameterized. RSpec::Parameterized supports simple parameterized test syntax in rspec.

activerecord-typedstore. ActiveRecord::Store but with type definition

caxlsx. xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.

dememoize. A rubygem to remove memoized values (instance variables) for easier testing

just-the-docs. A modern, high customizable, responsive Jekyll theme for documentation with built-in search.

i18n-tasks. Manage translation and localization with static analysis, for Ruby i18n

charlock_holmes. Character encoding detection, brought to you by ICU

active_attr. What ActiveModel left out

logstop. Keep personal data out of your logs

local_bus. A lightweight pub/sub system for decoupled intra-process communication in Ruby applications

cli-ui. CLI tooling framework with simple interactive widgets

cash. An absurdly small jQuery alternative for modern browsers.

argon2id. Ruby bindings to Argon2, the password-hashing function that won the 2015 Password Hashing Competition.

concurrent-ruby. Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

rails-settings-cached. Global settings for your Rails application.

ids_must_be_indexed. A GitHub Action to ensure all Rails application foreign key columns are indexed

downstream. Straightforward way to implement communication between Rails Engines using the Publish-Subscribe pattern.

json_tagged_logger. Ruby log formatter for tagged JSON logging

rbenv-vars. An rbenv plugin that safely sets global and per-project environment variables

inspec. InSpec: Auditing and Testing Framework

nice_partials. A little bit of magic to make partials perfect for components.

derailed_benchmarks. Go faster, off the Rails - Benchmarks for your whole Rails app

prompts. Beautiful and user-friendly forms for your command-line Ruby applications.

active_storage_validations. Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 500.kilobytes }, limit: { min: 1, max: 3 }, aspect_ratio: :landscape, dimension: { width: { in: 800..1600 }

auto_strip_attributes. AutoStripAttributes gem for Rails helps to remove unnecessary whitespaces from ActiveRecord or ActiveModel attributes. It's good for removing accidental spaces from user inputs (e.g. when user copy/pastes some value to a form and the value has extra spaces at the end).

spectator_sport. Record and replay browser sessions in a self-hosted Rails Engine.

rapidjson-ruby. A fast JSON library for Ruby

discard. 🃏🗑 Soft deletes for ActiveRecord done right

enlitenment. A Rails application template script to lead your app to SQLite enlightenment.

xlsxtream. Streaming & Fast XLSX Spreadsheet Writer for Ruby

ruby-statistics. Ruby gem for some statistical operations without any statistical language dependency

heroku-buildpack-jemalloc. Jemalloc buildpack for Heroku

australianpostcodes. A community sourced comprehensive database of Australian Post Codes with geolocation data.

hashdiff. Hashdiff is a ruby library to to compute the smallest difference between two hashes

app_profiler. Collect performance profiles for your Rails application.

docile. Docile keeps your Ruby DSLs tame and well-behaved

zxcvbn-ruby. Ruby port of Dropbox's zxcvbn javascript lib

verbose_migrations. Enable verbose logging for Active Record migrations to monitor query speed and execution

temporary_tables. Create temporary tables and models in RSpec tests.

counter_culture. Turbo-charged counter caches for your Rails app.

remedy. Remedy is a console interaction framework along the lines of Curses written in pure Ruby.

rbs-inline. Inline RBS type declaration

postgresql-event-sourcing. A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the repository and run end-to-end tests to see how everything works together.

lograge. An attempt to tame Rails' default policy to log everything.

domain-protect-gcp. Protect against subdomain takeover

plumb. Data structures, validation, coercion and processing toolkit for Ruby

cuber-gem. An automation tool that simplify the deployment of your apps on Kubernetes.

weasyprint. HTML+CSS to PDF using weasyprint

Sortable. Reorderable drag-and-drop lists for modern browsers and touch devices. No jQuery or framework required.

goldiloader. Just the right amount of Rails eager loading

activerecord-session_store. Active Record's Session Store extracted from Rails

actor. Composable Ruby service objects

release-please. generate release PRs based on the conventionalcommits.org spec

redka. Redis re-implemented with SQL

pragmatic-drag-and-drop. Fast drag and drop for any experience on any tech stack

cnb-builder-images. Recipes for building Heroku's Cloud Native Buildpacks builder images

buildpacks. Heroku Cloud Native Buildpacks

activerecord-bitemporal. BiTemporal Data Model for ActiveRecord

json-schema. Ruby JSON Schema Validator

universalid. Fast, recursive, optimized, URL-Safe serialization for any Ruby object

hoardable. ActiveRecord versioning and soft-deletion with Postgres using uni-temporal inherited tables

arca. Arca is a callback analyzer for ActiveRecord ideally suited for digging yourself out of callback hell

cli-kit. Framework/Engine for command line interfaces

design-patterns-in-ruby. GoF design patterns in Ruby

activeinteractor. An implementation of the command pattern for Ruby with ActiveModel::Validations inspired by the interactor gem. Rich support for attributes, callbacks, and validations, and thread safe performance methods.

cody-public-snapshot. Type less, code more: Cody is an AI code assistant that uses advanced search and codebase context to help you write and fix code.

tty-command. Execute shell commands with pretty output logging and capture stdout, stderr and exit status.

vernier. 📏 next generation CRuby profiler

statesman. A statesmanlike state machine library.

searchcraft. Instant Search for Rails and ActiveRecord using SQL materialized views

actionview_attribute_builders. Ruby

passwordless. 🗝 Authentication for your Rails app without the icky-ness of passwords

pg_branch. Experimental Postgres extension for quickly branching databases through file system snapshots

solid_cache. A database-backed ActiveSupport::Cache::Store

OpenCore-Legacy-Patcher. Experience macOS just like before

homebrew-formula. Ruby

superform. Build highly customizable HTML forms with Phlex components

sqlcoder. SoTA LLM for converting natural language questions to SQL queries

rb-gsl. Ruby interface to the GNU Scientific Library

papers-we-love. Papers from the computer science community to read and discuss.

no-more-secrets. A command line tool that recreates the famous data decryption effect seen in the 1992 movie Sneakers.

kpack-cli. A command line interface for interacting with kpack.

activesupport-cache-database. ActiveSupport::Cache::Store implementation backed by a database via ActiveRecord

alchemy-guides. 📜️ Source of the AlchemyCMS guidelines

lambda-console. ☁️🐚 A CLI to run shell commands or interact with your application on Lambda.

prism. Prism Ruby parser

active_hash. A readonly ActiveRecord-esque base class that lets you use a hash, a Yaml file or a custom file as the datasource

thor. Thor is a toolkit for building powerful command-line interfaces.

railsui. Professionally designed templates and components for Ruby on Rails.

after_commit_everywhere. Use ActiveRecord transactional callbacks outside of models, literally everywhere in your application.

rails_i18n_manager. Web interface to manage i18n translations helping to facilitate the editors of your translations. Provides a low-tech and complete workflow for importing, translating, and exporting your I18n translation files. Designed to allow you to keep the translation files inside your projects git repository where they should be.

active_record_doctor. Identify database issues before they hit production.

awesome-cloud-run. 👓 ⏩ A curated list of resources about all things Cloud Run

base-images. Recipes for building the base images for Heroku's stacks

attr_json. Serialized json-hash-backed ActiveRecord attributes, super smooth

santa. A binary authorization and monitoring system for macOS

serverless-exec-ruby. Ruby

security-analytics. Community Security Analytics provides a set of community-driven audit & threat queries for Google Cloud

hotwire-example-template. A collection of branches that transmit HTML over the wire.

paramoid. Getting paranoid about your Rails application params? Try paramoid!

forme. HTML forms library for ruby

serverless-vault-with-cloud-run. Guide to running Vault on Cloud Run

parklife. 🌳 Render a Rack app (Rails/Sinatra/etc) to a static build so it can be served by Netlify, Now, GitHub Pages, S3, or any other web server

fugit. time tools (cron, parsing, durations, ...) for Ruby, rufus-scheduler, and flor

flipper. 🐬 Beautiful, performant feature flags for Ruby.

buildpacks-ruby. Heroku's Cloud Native Buildpack for Ruby applications.

devise_zxcvbn. Devise plugin to reject weak passwords using zxcvbn

vault-plugin-database-cloudsql. Hashicorp Vault plugin to connect to CloudSQL instances with github.com/GoogleCloudPlatform/cloud-sql-go-connector

Fomantic-UI. Fomantic-UI is the official community fork of Semantic-UI

awesome-k8s-resources. A curated list of awesome Kubernetes tools and resources.

kubernetes-network-policy-recipes. Example recipes for Kubernetes Network Policies that you can just copy paste

zxcvbn-rb. Low-Budget Password Strength Estimation written in Ruby

packwerk. Good things come in small packages.

tabler. Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

wp-sqlite-db. A single file drop-in for using a SQLite database with WordPress. Based on the original SQLite Integration plugin.

reposaur. Open source compliance tool for development platforms.

rails-settings. Manage settings with Ruby on Rails

33-js-concepts. 📜 33 JavaScript concepts every developer should know.

store_attribute. ActiveRecord extension which adds typecasting to store accessors

store_model. Work with JSON-backed attributes as ActiveRecord-ish models

active_event_store. Rails Event Store in a more Rails way

awesome-kubectl-plugins. Curated list of kubectl plugins

standard. Ruby's bikeshed-proof linter and formatter 🚲

modern-unix. A collection of modern/faster/saner alternatives to common unix commands.

timeliness-i18n. Translations for timeliness and validates_timeliness gem.

jsonb_accessor. Adds typed jsonb backed fields to your ActiveRecord models.

waypoint. A tool to build, deploy, and release any application on any platform.

good_job. Multithreaded, Postgres-based, Active Job backend for Ruby on Rails.