Claude Code
Install and configure Claude Code.
Prerequisites
Claude Code CLI requires Node.js (npm is included).
1. Install
Install Claude Code CLI:
npm install --global @anthropic-ai/claude-codenpm install --global @anthropic-ai/claude-code2. Configure Claude Code
Write the following env object to settings.json. If the file exists, merge env and preserve permissions, hooks, and other settings.
{
"env": {
"ANTHROPIC_BASE_URL": "https://api.get-apikey.com",
"ANTHROPIC_AUTH_TOKEN": "sk-xxxxx-xxx",
"ANTHROPIC_MODEL": "YOUR_MODEL",
"ANTHROPIC_DEFAULT_HAIKU_MODEL": "YOUR_MODEL",
"ANTHROPIC_DEFAULT_SONNET_MODEL": "YOUR_MODEL",
"ANTHROPIC_DEFAULT_OPUS_MODEL": "YOUR_MODEL"
}
}Replace sk-xxxxx-xxx and YOUR_MODEL with your actual values.
Windows
$claudeDir = Join-Path $HOME ".claude"
New-Item -ItemType Directory -Force -Path $claudeDir | Out-Null
notepad (Join-Path $claudeDir "settings.json")macOS / Linux
mkdir -p "$HOME/.claude"
${EDITOR:-vi} "$HOME/.claude/settings.json"
chmod 600 "$HOME/.claude/settings.json"3. Restart
Fully quit Claude Code and VS Code. Close and reopen the terminal, then start the client again.
4. Confirm a reply
Send one message:
claude -p --model "YOUR_MODEL" "Reply only with OK"The setup is complete when Claude Code replies OK.