A developer at a dark ultrawide monitor setup with glowing code windows — illustrating the best Claude Code skills picked by use case

The 30 Best Claude Code Skills to Add (Picked by Use Case)

Most Claude Code users discover skills by accident. Someone mentions a /skill-name command, it works brilliantly, and suddenly they want more. What most guides miss is that the best Claude Code skills depend entirely on what you actually do. A developer, a teacher, and an ops manager all have very different workflows, and the skill that saves one of them hours a week might be completely useless to the others. This guide covers the best Claude Code skills by use case, starting with the built-in skills you already have and may not know about, then moving into the top picks for developers, teachers and students, document workers, writers, business teams, […]

A hummingbird with digital data trails, symbolizing speed and efficiency, with the xAI Grok logo in the center and the headline 'xAI’s Grok Dominates the OpenRouter Charts'.

Grok 4 FastがOpenRouterでいきなり#1:なぜxAIのモデルがAIの世界を支配するのか?

今週のOpenRouterのランキングを開いた人は、最初の2つの枠に見慣れないロゴがあるのを見ただろう:Grok 4 Fast(無料)とxAIのGrok Code Fast 1だ。xAIのGrok 4 Fast(無料)とGrok Code Fast 1だ。この2つを合わせると、マーケットプレイスを経由する全トークンの3分の1以上を占めることになる。両者を合わせると、xAIはGoogle、Anthropic、OpenAIをも凌駕し、市場全体のシェアで#1のポジションに押し上げた。しかし、比較的若いモデルがどのようにして巨人を追い越したのだろうか?また、Grok 4 Fastが開発者、新興企業、企業チームの間でこれほど人気があるのはなぜだろうか?強力なパワー、お買い得な価格設定、そして期間限定の無料エンドポイントの組み合わせは、Grok 4 Fastを多くのビルダーのデフォルトの選択肢に変えました。以下はその詳細です。

OpenAI’s Canvas Is A Game-Changer for Writers & Coders

OpenAI has just launched a new feature for ChatGPT, and it’s more than just an upgrade—it’s a complete overhaul of how users interact with the AI. The Canvas feature brings a new interface to GPT-4, designed to enhance both writing and coding experiences by making the process more collaborative, intuitive, and efficient. Here’s what you need to know about this new development and why it matters. What Is ChatGPT Canvas? Canvas is essentially a workspace that transforms ChatGPT from a basic chatbot into a co-creator. Whether you’re working on a long-form writing project or developing code, Canvas acts as a powerful assistant, offering real-time suggestions, edits, and improvements. The interface feels more like […]