Claude Code (CLI):

claude mcp add --transport http --scope user ithinktoday https://admin-api.ithinktoday.com/mcp --header "X-API-KEY: YOUR_API_KEY"

Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "ithinktoday": {
      "type": "http",
      "url": "https://admin-api.ithinktoday.com/mcp",
      "headers": {
        "X-API-KEY": "YOUR_API_KEY"
      }
    }
  }
}