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「あなたは〇〇の専門家です」という一文から大規模言語モデルへの指示を書き始めるユーザーは非常に多い。この手法は長らく、人工知能から高品質で精緻な回答を引き出すための代表的なテクニックとして、数多くのガイドブックで推奨され ... a title="「あなたは専門家です」プロンプトの罠：役割を与えることが人工知能の知識精度を破壊する" class="read-more" href="https://xenospectrum.com/ai-expert-persona-prompt-accuracy-drop/" aria-label="「あなたは専門家です」プロンプトの罠：役割を与えることが人工知能の知識精度を破壊する についてさらに読む"Read more/a

A brief look at the three main causes of bloat in our JavaScript dependency trees, and how we can start to address them.

Why GitHub Actions is the Internet Explorer of CI, and why Buildkite offers a better path forward for teams that care about developer experience.

I built a system that builds the system. 4 hours from idea to production. Here's my full AI coding workflow for Rails.

girb-mcp is an MCP server that gives LLM agents access to running Ruby processes. ...

The Ruby community doesn't have a great documentation theme. So I made one. Jekyll VitePress Theme brings VitePress's docs UX to Jekyll.

A simple patch that toggles claude-code thinking traces to be fully expanded by default without having to press ctrl + o - aleks-apostle/claude-code-patches

Claude Code superpowers: core skills library for Ruby and Ruby on Rails projects - lucianghinda/superpowers-ruby

The .agent domain is the proposed AI-native TLD for autonomous agents. Join 3,000+ members driving the ICANN application. Pre-register free.

Agent Skillにローカルで動くWebアプリを同梱する実装パターン。Agentがプラットフォームとなりアプリが組み込まれる未来について考える。

大手ECサイトをスクレイピングするプログラムをClaudeCodeに書いてもらいました。とても便利なので公開したいのですが、友人のプログラマに相談すると「叩かれるからやめておけ」と忠告されました。AIも同意見のようです。正直、基準も理由もよくわかりません。なぜ私はこのプログラムを公開してはいけないんでしょうか？「叩かれ…

Vitest 4.1 で aroundEach と aroundAll という新しいライフサイクルフックが追加されました。 github.com これらは文字通り、テストを 前後からwrapする フックです。aroundEach は各テストを、aroundAll はスイート全体をwrapします。runTest() や …

Claude Code CLIの `-p` フラグとサブスクリプションを活用して、Slack上で常駐するパーソナルAIエージェント「むぎ苦労（mugi-claw）」を開発しました。Chrome DevTools Protocolによるブラウザ操作、機密情報をLLMに渡さないCredential Server、macOSのsandbox-execとプロキシによる多層防御など、実装の技術的な詳細を紹介します。

A few of my projects use the same Makefile and Dockerfile to handle deployment to Google Cloud Run.

Pure-Go implementation of JSONata 2.x for high-throughput streaming evaluation - RecoLabs/gnata

Build AI agents with Go. Multiple providers, multiple models, one API. 🧙 - charmbracelet/fantasy

There is a lil’ UI detail on this blog. Most people don’t even notice it, but the ones who do often reach out, asking how on earth it works. It feels like it defies the rules of CSS! In this blog post, I’ll break down the surprisingly-straightforward implementation so you can start using this trick yourself.

Happy Friday, everyone! It’s time for another little bookmarklet. Let's call it the 'I wish I were posting this from CSUN' edition. But I'm not, alas. You're getting it anyway ... A great many of the tools that I build I’ve done so with the sole purpose of creating an easy way to visualise an

Generate minimal, fast & beautiful docs from Markdown. No React, no bloat, just content. Built for developers. - docmd-io/docmd

Elena is a simple, tiny library for building Progressive Web Components. - getelena/elena

Elena is a simple, tiny library for building Progressive Web Components.

Refreshing CSS

Refreshing CSS. Contribute to csskit/csskit development by creating an account on GitHub.

Visualizes GitHub contribution graphs as Space Shooter! - czl9707/gh-space-shooter

Ruby's built-in CSV library has ten failure modes that produce no exception, no warning, and no indication anything went wrong. Your import runs, your tests pass, and your data is quietly wrong.

Ruby bindings for wreq, an HTTP client with TLS/HTTP2 browser fingerprinting - SearchApi/wreq-ruby

Pure Ruby JPEG encoder and decoder with no native dependencies - peterc/pure_jpeg

The ultimate Turbo / Stimulus / Hotwire modal and drawer library for Rails - cmer/ultimate_turbo_modal

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