2026年版・ReactエージェントへのCLAUDE.md実践ガイド

This guide delves into how to implement rule files to enhance the performance of AI coding agents like Claude Code, Cursor, or Codex CLI within React + TypeScript projects. Without these rule files, AI agents tend to generate code that doesn't align with project-specific conventions, like proper module structuring or validation layers. By defining rule files, developers can specify the "default behaviors" for their projects, leading to more consistent code styles and fewer repetitive review comments. It's crucial to note that the effectiveness depends on how thoroughly these rules are defined and implemented, rather than a magical improvement in code quality.