Claude Code Setup Guide (VS Code)

Install Claude Code extension in VS Code and connect to platform API

Install Claude Code Extension

Search "Claude Code" in VS Code extension marketplace and install the official Anthropic extension.

Open Extension Settings

After installation, right-click the extension and select Settings. Set Selected Model to "default".

Edit settings.json

Click "Edit in settings.json" and add the environment variables below. Replace your-api-key with your platform API key.

{
  "claudeCode.preferredLocation": "panel",
  "claudeCode.environmentVariables": [
    {
      "name": "ANTHROPIC_BASE_URL",
      "value": "/api"
    },
    {
      "name": "ANTHROPIC_AUTH_TOKEN",
      "value": "your-api-key"
    },
    {
      "name": "API_TIMEOUT_MS",
      "value": "3000000"
    },
    {
      "name": "CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC",
      "value": "1"
    },
    {
      "name": "ANTHROPIC_DEFAULT_SONNET_MODEL",
      "value": "claude-sonnet-4-5"
    },
    {
      "name": "ANTHROPIC_DEFAULT_OPUS_MODEL",
      "value": "claude-opus-4-6"
    },
    {
      "name": "ANTHROPIC_DEFAULT_HAIKU_MODEL",
      "value": "claude-haiku-4-5"
    }
  ]
}

Launch Claude Code

Press Ctrl+Shift+P, search "Claude Code: Open in Side Bar" to launch.