#セットアップ articles

How to Call Claude on Vertex AI | Model IDs, Authentication & Pricing

A step-by-step guide to enabling and calling Claude on Vertex AI. Covers model ID syntax, GCP project prerequisites, SDK authentication setup, endpoint differences, and pricing.

Claude Cowork

Claude Cowork on Windows | Requirements, Setup, and Differences from macOS

A complete guide to running Claude Cowork on Windows: system requirements, installation, folder connection permissions, and session management tips based on official Anthropic documentation. Covers Pro-or-higher plan requirements and behavioral differences from the macOS version.

Claude Code

Installing Claude via npm | Avoiding sudo and Updating with @latest

A guide for Node.js developers who want to install Claude Code via npm — covering prerequisites for npm install -g @anthropic-ai/claude-code, why you should avoid sudo, updating with @latest, resolving 'Native binary not found', and WSL pitfalls, based on official Anthropic documentation.

Claude Code

Installing Claude CLI | Common Steps for macOS, Windows, and Linux

For anyone looking to install Claude Code (claude CLI) across operating systems, this guide covers installation paths for macOS / Windows / Linux / WSL, when to use Homebrew, WinGet, apt, or npm, first-time authentication, claude doctor diagnostics, and PATH troubleshooting — all based on official Anthropic documentation.