The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

MCP server implementation for Mackerel monitoring service.

Kibela's official MCP Server

Automatically generates beautiful and easy-to-read ER diagrams from your database.

top #1 and most feature rich GPT wrapper for git — generate commit messages with an LLM in 1 sec — works with Claude, GPT and every other provider, supports local Ollama models too

GitHub issue manager from vulnerability scan results for private repositories

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

tmux source code

Simple, but flexible HTTP client library, with support for multiple backends.

Command line utility to make HTTP request with OAuth2

The Official Ruby Object Mapper for MongoDB

General ruby templating with json, bson, xml, plist and msgpack support

🚫 Stop saying "you forgot to …" in code review (in Ruby)

A GitHub CLI (gh) extension to convert a pull request to draft.

FaaS (Function as a service) framework for writing portable Ruby functions

A vault for securely storing and accessing AWS credentials in development environments

replaces the credentials for MFA in AWS

A modular Ruby web server interface.

Generate OpenAPI schema from RSpec request specs

Embulk output plugin to load/insert data into Google BigQuery

omniauth for daccount

GitHub’s official command line tool

Github Audit Tool for Organizations

Autolinking. Ruby. Yes, that's pretty much it.

Ruby on Rails

A simple wrapper for posting to slack channels

GitHub - Task list completed PR check

Japanese holiday.