2026年版 AIエージェント(Express)に効くルールファイルの書き方
なぜルールファイルが「効く」のか Node. js + Express のコードベースは、ルーティング・ミドルウェア・エラーハンドリングの慣習がプロジェクトごとに微妙に違います。AIエージェント(Claude Code / Cursor など)は優秀でも、その「あなたのプロジェクト固有の暗黙ルール」を毎回ゼロから推測します。結果、 res. send と res.
🏷️ #cursor
4 headlinesFrom Assistant to Builder: What I Learned Shipping an AI-Assisted Project
Building a URL shortener with Cursor, ChatGPT, AWS Lambda, API Gateway, and Cloudflare taught me more about shipping software than writing code. Since last year, Cursor has been my go-to development assistant for daily tasks. But at the beginning of this year, just using it to generate snippets...
AI coding evolves from autocomplete to running the full development process
AI coding is not the assistant on the side anymore — it's becoming the backbone of modern software workflows. Cursor’s 18-month Developer Habits Report cuts through the hype with the first hard evidence: AI isn’t just making engineers faster, it’s changing the very shape of software work. From ...
I Built an Open-Source Tool to Track AI Coding Costs Across Claude Code, Codex & Cursor
The Problem I was using Claude Code, Codex, and Cursor daily but had no idea how much I was spending on tokens. Bills kept surprising me. The Solution I built AIUsage — a local-first, open-source CLI that tracks everything.