kazuya kawaguchi

llmeter. AI コーディングツール（Claude Code / Codex / Cursor）の利用状況をローカルログから集計・可視化する CLI

Mytty. Swift

fil-c. Fil-C: completely compatible memory safety for C and C++

inflection. code, data and documentation related to handling inflection problems

genshijin. genshijin 原始人 🗿| Claude Code / Codex等AIエージェント 向け超圧縮コミュニケーションスキル。caveman の日本語版をベースに、日本語特有の冗長表現に最適化。

pocketjs. High-performance JSX UI outside the browser, with hardware rendering, standard Vue Vapor and Solid support, a Tailwind style engine, and 60 FPS animation under an 8 MB memory budget.

agents. Build and deploy AI Agents on Cloudflare

cloudflare-demos. Minimal Cloudflare product demos

yuku. High-performance JavaScript/TypeScript compiler toolchain in Zig.

rtk. CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

top-github-users-only-japan. 「Top GitHub Users」ただし日本に限る

miette. Fancy extension for std::error::Error with pretty, detailed diagnostic printing.

oxc-graphql-parser. Rust

oxc-yaml-parser. Rust

oxlint-plugins. The fast oxlint plugin collections by @ubugeeei & @baseballyama

tsz. A performance-first TypeScript checker

vitepress-api-references. Enable JSDoc API Reference for VitePress

vue-shaker. Tree-shaking Vue components down to the bare minimum

tskm. Standard Schema compliant validation library with an AOT type compiler

svelte-shaker. Build-time dead code elimination for Svelte 5 via whole program partial evaluation.

simd-base64. SIMD-accelerated Base64(Url) encoding/decoding for Browser and Node.js

vite-devtools-svelte. Svelte 5 DevTools — works as a Vite DevTools plugin or standalone

rsvelte. Rust-powered Svelte ecosystem

hono-shaking. Type-aware dead endpoint finder for Hono RPC.

bit. MoonBit

sakimori. Cross-platform supply-chain guard for CI: supervised-run audit/block (eBPF/ETW) + minimum-release-age proxy & lockfile check for npm, cargo, PyPI, NuGet.

zizmor. Static analysis for GitHub Actions

unplugin-auto-declare. Unplugin to auto-declare composables in Vue <script setup>

fate. fate is a modern data client for React.

gunshi. Gunshi: Modern javascript command-line library

nitro-vc-queues. https://nitro-vc-queues.vercel.app/

aube. A fast Node.js package manager

setup.viteplus.dev. Host at https://setup.viteplus.dev with architecture auto-detection (default x64)

perry. A native TypeScript compiler written in Rust. Compiles TypeScript directly to executables using SWC and LLVM.

vite. Vite Plugin for Module Federation

jsir. Next-generation JavaScript analysis tooling

void. TypeScript

admiral. Declarative CLI builder for MoonBit, inspired by gunshi

setup-npm-trusted-publish. Setup npm package for trusted publishing with OIDC

actrun. GitHub Actions compatible local runner

corsa-bind. The Corsa (tsgo) bindings (FFI & Orchestration) for Rust and JS/TS, etc...

illustrator-mcp-server. MCP server for reading, manipulating, and exporting Adobe Illustrator design data

makefile-lossless. Lossless makefile parser

hybrid-type-aware-linting-performance. Performance evaluation of different approaches for bridging tsgo with JS

ronly. Rust

ghfs. GitHub issues/PRs as filesystem, for offline view and operations in batch. Designed for human and agents.

vite-plus. Vite+ is the unified toolchain and entry point for web development. It manages your runtime, package manager, and frontend toolchain in one place.

vite-task. Task runner for Vite+

vuejs-language-specification. Unofficial, Earrrrrrrrrly Draft, WIP WIP WIP WIP WIP WIP WIP Never trust this. This is a crazy idea. It is merely a personal work log of ubugeeei.

Deej-AI. Create automatic playlists by using Deep Learning to *listen* to the music.

mreact. Monadic React Demo

artichokie. Mutual callable worker thread pool with fallback. Based on okie.

oxc-angular-compiler. Experimental Angular Compiler based Oxc

fsss. ファイル構造がそのままコマンド構造になり、スキーマを一回書けば CLI フラグ・環境変数・設定ファイルのどこから値が来ても同じように型付きで受け取れる CLI フレームワーク

tsconfck. A utility to find and parse tsconfig files without depending on typescript

octorus. Review GitHub PRs and local diff in your terminal, with AI-powered automated review & fix cycles

rt. run tasks interactively, no matter task runners

ts5to6. CLI to migrate TypeScript projects away from `baseUrl` and `rootDir` usage

npmx.dev. a fast, modern browser for the npm registry

vibe-dashboard. TypeScript

wado. The Wado Programming Language

DN_SuperBook_PDF_Converter. DN_SuperBook_PDF_Converter - スキャン書籍 PDF をデジタル書籍並みに大変クリアに読みやすくする AI PDF 高品質化・各種調整ツール

vue-oxlint-toolkit. An experimental toolkit for Oxlint's better Vue support.

skills. Agent skills for Vue 3 development

community-design-resources. Design Resources

setup-vp. GitHub Action to set up Vite+ with dependency caching support.

vite-plus-discussions. Issue Tracking & Discussions for the Vite+ Technical Preview.

premove. A tiny (201B to 247B) utility to remove items recursively

superdiff. Superdiff provides a rich and readable diff for arrays, objects, texts and coordinates. It supports stream and file inputs for handling large datasets efficiently, is battle-tested, has zero dependencies, and offers a top-tier performance.

vraftls. Virtual Raft-based Language Server Cluster

AudioNoise. Random digital audio effects

relanote. formal music language. everything are relative.

ox-content. A framework agnostic fastest and beautiful documentation & markdown tooling

vite-plugin-registry. Discover plugins for your build tools

kanata. Improve keyboard comfort and usability with advanced customization

ripple. the elegant TypeScript UI framework

flint. [Experimental] A fast, friendly linter for JavaScript, TypeScript, and more. ❤️‍🔥

vize. Blazing fast Vue.js Toolchain. Compiler, Linter, Type Checker, Formatter, LSP, Story System, Editor Extensions. This already passed 9000+ test suites, includes real world E2E.

mquickjs. Public repository of the Micro QuickJS Javascript Engine

nuxt-studio. Edit your Markdown website, in production.

tako. Tako - a CLI framework that works on any JavaScript runtime

standard-schema. A standard interface for TypeScript schema validation libraries

golar. Embedded language tooling orchestrator based on typescript-go

dotguides. TypeScript

rolldphobia. A modern bundle size analyzer powered by Rolldown and esm.sh — running entirely in your browser

wasm-util. TypeScript

napi-rs. A framework for building compiled Node.js add-ons in Rust via Node-API

open-packages-on-npm. A simple CLI tool for maintainers to set up npm Trusted Publisher easier for monorepo with a lot of packages.

llms-full-unbind. Unbind llms-full.txt into individual pages.

gunshi-docs-skills-benchmark. TypeScript

js.mbt. Moonbit Js bindings

sandbox-rs. A comprehensive Rust sandbox implementation that provides process isolation

vue-oxc-parser. Convert Vue AST to JSX AST

notify. 🔭 Cross-platform filesystem notification library for Rust.

obug. A lightweight JavaScript debugging utility, forked from debug, featuring TypeScript and ESM support.

firecracker. Secure and fast microVMs for serverless computing.

brimstone. New JavaScript engine written in Rust

srvmid. Internationalization server middleware & utilities

html5ever. High-performance browser-grade HTML5 parser

ox-standard. oxlint and oxfmt Javascript Standard Style

oxc-inspector. Inspect and understand the Oxc toolchain with ease.

Valdi. Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity.

cli. A powerful CLI for analyzing and optimizing your JS/TS projects.

nodebox-runtime. Nodebox is a runtime for executing Node.js modules in the browser.

elysia. Ergonomic Framework for Humans

ono. Minimalist SSG framework, powered by tsc's JSX transformer

sandbox-runtime. A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container.

oxfmt-bench. My personal experimental benchmark playground for `oxfmt`.

tslite. 🪶Typescript but %60 smaller

oxlint-migrate. Generates a .oxlintrc.json from an existing ESLint flat config.

rendu. 🏎️ JavaScript Hypertext Preprocessor.

MulmoChat. TypeScript

typed-japanese. 🌸 Learn Japanese grammar with TypeScript

starter-vue-webcomponent-uno. Starter for creating agnostic WebComponents using Vue and UnoCSS

bun-socket-scanner. A Bun security scanner that integrates with Socket.dev for package vulnerability detection

dmno. The missing middleware for your configuration and secrets.

lol-html. Low output latency streaming HTML parser/rewriter with CSS selector-based API

esa-mcp-server. esa.io の公式 MCP(Model Context Protocol)サーバー(STDIO Transport版)

provenance-action. Fail CI when dependencies in your lockfile lose npm provenance or trusted publisher status

vue-router-api. TypeScript

npm-top-publishing. Track OIDC, provenance, and staged publishing adoption across high-impact npm packages.

optique. Type-safe combinatorial CLI parser for TypeScript

import-meta-registry. A registry for import.meta properties

eslint-plugin-markdown-links. ESLint plugin with powerful checking rules related to Markdown links

nova. JS engine lolz

gistdex. Gistdex is RAG (Retrieval-Augmented Generation) search system with pluggable vector database support.

eslint-plugin-barrel-files. JavaScript

eslint-plugin-depend. An ESLint plugin for suggesting optimisations in choice of dependency, native equivalents, etc.

eslint-plugin-markdown-preferences. ESLint plugin that enforces our markdown preferences.

telefunc. Remote Functions.

oxc-ast-mcp. Rust

opentui. OpenTUI is a library for building terminal user interfaces (TUIs)

tc39-try-demo. TC39 Try Demo

oss-rebuild. Securing open-source package ecosystems by originating, validating, and augmenting build attestations.

tc39-try. Enable support for try expressions in JavaScript tools

varlock. AI-safe .env files: Schemas for agents, Secrets for humans.

verter. Fast Rust-powered compiler, semantic extraction, and LSP for component frameworks.

tsgolint. Type aware linting for oxlint

devtools. DevTools Framework for the Vite Ecosystem.

tsgolint. ✨ Experimental proof-of-concept typescript-go powered JS/TS linter written in Go

js-multi-ast-viewer. Svelte

confirm-pam. A CLI tool for biometric authentication confirmation.

cc-jsonl. TypeScript

intlayer. Per-component Internationalisation solution for JS application. Type-Safe. Translate with AI. Edit Visually.

repl. Rolldown REPL

ghq-worktree. A CLI tool for managing git worktrees with ghq repository organization

container. A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

containerization. Containerization is a Swift package for running Linux containers on macOS.

eslint-plugin-postgresql. An ESLint plugin for PostgreSQL files. Enforces best practices for SQL style, performance, and security.

nuxt-define. One utility function for module authors to define compiler constants for all builders supported by Nuxt.

fs-fixture. Simple API to create test fixtures on disk

postgresql-eslint-parser. Parses PostgreSQL SQL into ESTree-compatible AST for ESLint. Supports PostgreSQL-specific syntax and extensions.

rolldown-vite-perf-wins. Perf wins when users migrate from Vite to Rolldown-powered-Vite, with receipts

ccusage. npx ccusage

sitemcp. Fetch an entire site and use it as an MCP Server

pncat. Enhanced catalogs feature with PNPM, Yarn, Bun and Vlt support.

web-fragments. A radically different micro-frontends solution that actually works and is easy to incrementally adopt.

obuild. 📦 😯 Zero-config ESM/TS package builder.

libsyncrpc. synchronous RPC communication with callbacks for Node.js

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

picospinner. A lightweight, no dependency, pluggable CLI spinner library.

edit. We all edit.

curxy. Simple proxy worker for using ollama in cursor

prettier-oxc-parser. Use oxc as a Prettier parser for JavaScript and TypeScript.

mcp. An MCP Server for JSer.info

ghtopdep. :star: CLI tool for sorting dependents repo by stars

smallweb. Your Internet Folder

tinyexec. 📟 A tiny, higher level interface around child_process

impound. Builder-agnostic plugin to allow restricting import patterns in certain parts of your code-base.

markdown-rs. CommonMark compliant markdown parser in Rust with ASTs and extensions

lingo.dev. Open-source localization engineering tools. Connects to Lingo.dev localization engineering platform for consistent, quality translations.

oniguruma-to-es. 👹 Convert patterns from Oniguruma (the regex flavor used by Ruby, TextMate grammars, etc.) to native JavaScript RegExp

eslint-plugin. ESLint plugin for @kazupon

prettier-plugin-jsdoc-type. Prettier plugin for formatting JSDoc type annotations.

jsdoc-type-pratt-parser. A pratt parser for jsdoc types

sourcemap-publisher. TypeScript

wasi-cli. Command-Line Interface (CLI) World for WASI

publint. Lint packaging errors

rolldown-plugin-dts. A Rolldown plugin to generate and bundle dts files.

github-mcp-server. GitHub's official MCP Server

args. <1kB CLI flag parser

tab. shell autocompletions for javascript CLIs

hyperlight-wasm. hyperlight-wasm is a rust library crate that enables Wasm Modules and components to be run inside lightweight Virtual Machine backed Sandbox. It is built on top of Hyperlight.

typedoc-plugin-markdown. A plugin for TypeDoc that enables TypeScript API documentation to be generated in Markdown.

vitepress-plugin-llms. 📜 A VitePress plugin for generating LLM-friendly documentation

vitepress-plugin-group-icons. Enhance code blocks features for VitePress.

comment-parser. Generic JSDoc-like comment parser.

jsdoccomment. JavaScript

lynx. Empower the Web community and invite more to build across platforms.

mf2-tools. This repo contains a language server for the Message Format 2 message localization system from Unicode.

Startup-CTO-Handbook. The Startup CTO's Handbook, a book covering leadership, management and technical topics for leaders of software engineering teams

pnpm-workspace-utils. Utilities for managing pnpm catalogs

TypeScript-Language-Specification.

rstore. The Reactive Data Store for Vue and Nuxt developers.

eslint-plugin-module-interop. ESLint plugin with rules for module interoperability

tsgo-wasm. TypeScript 7 WASM

typescript-go. Staging repo for development of native port of TypeScript

emnapi. Node-API implementation for Emscripten, wasi-sdk, clang wasm32 and napi-rs

typescript-types-only-wasm-runtime. A WebAssembly runtime implemented in TypeScript types

fix-dts-default-cjs-exports. Fix TypeScript Declarations for default CJS exports