Function commandExists

src/cli/setup.ts:142–146

(command: string)

}

function commandExists(command: string): boolean {
  const cmd = process.platform === "win32" ? "where" : "which";
  const result = spawnSync(cmd, [command], { stdio: "ignore" });
  return result.status === 0;
}

function updateMcpConfig(configPath: string): void {
  const root = readJsonObject(configPath);