Adstter is a digital signage CMS built in Guatemala since 2014. Publish and schedule images, videos, livestreams and menu boards on Samsung Tizen, LG webOS, Android, Windows, web and NovaStar LED screens; monitor every screen in real time; and target content by branch, city or country. Run the whole network from WhatsApp with the included AI Agent, or from Claude and ChatGPT with Adstter Soporte, our own MCP server, also included; Adstter Soporte works directly with the player on Android and Windows. The AI Designer add-on creates on-brand images, videos and menus by chat. We design our own media players, Adstter Box Standard (Android) and Adstter Box Pro (Windows, 4K), and our own crews install on site in Guatemala, El Salvador and Honduras. 1,500+ screens in 10 countries for Taco Bell, Hilton, CMI, Cafetalito, San Martín, Denny's and Carl's Jr. From USD 11.99 per screen per month with unlimited users and content. Sales: +502 2268-7755. WhatsApp: +502 4149-8615. https://adstter.com