Internal Affairs integration helper

Manage application level keypairs with automatic rotation and JWT support

LedgerAccountable is a gem for recording ledger entries to store an accounting history in your Rails models.

A Ruby gem for simulating POS operations against the Lightspeed K-Series API. Generates realistic orders, payments, and transaction data for testing.

システムが稼働する上で最初から必要なデータ（マスタデータ）を管理するツールです。

OAuth 2.1 authorization for Model Context Protocol (MCP) servers in Rails applications. Implements RFC 7591, 7636, 8414, 8707, 9728 with PKCE, dynamic client registration, and token management.

A Ruby gem to filter and check for profanity in strings, with support for custom word lists

Operations framework

Authentication, admin UI components, navigation, tags, imports, and extension hooks for Rails apps built on the Panda ecosystem

Perilune is a Rails Engine that allows you to define Task classes for procesing files and handles their processing on the background for you.

pg_any_where patches Arel so that `where(column: array)` emits `column = ANY($1::type[])` instead of `column IN ($1, $2, …)`. This yields a stable prepared-statement shape (one bind parameter regardless of array size), better PostgreSQL plan cache utilisation, and cleaner pg_stat_statements output. Empty arrays are handled correctly without the `1=0` / `1=1` footguns.

Production-grade PostgreSQL trigger management for Rails with lifecycle management, safe deploys, versioning, drift detection, and a mountable UI.

PlainQuery helps in decomposing your fat ActiveRecord models and keeping your code slim and readable by extracting complex SQL queries or scopes into the separated classes that are easy to write, read and use.

Some basics used for setting up rails projects

Under development. Contributors welcome.

Rails engine providing ActiveRecord integration, background jobs, and UI components for Ragdoll's unified text-based RAG system. Converts all media types to searchable text for powerful cross-modal search capabilities.

Provides jsonb_where, jsonb_order, and atomic update methods (jsonb_update!, jsonb_delete_key, jsonb_array_append, jsonb_increment, and more) for PostgreSQL JSONB columns in Rails ActiveRecord. Generates safe, type-cast SQL with no lost-update race conditions under concurrency.

A Ruby gem that helps create test data by analyzing and extracting real records and their associations from your database.

This gem provides recommendations by calculating similarity scores using the Jaccard Index, Dice-Sørensen Coefficient, and collaborative filtering.

Simulates realistic Revel Systems POS operations against the sandbox API. Generates orders, payments, and transaction data across 4 business types.