--- blogpost: true date: Mar 29, 2025 author: Kasper Junge location: Denmark category: Language Interface, MCP, AI Agents language: English --- # Screw iOS — Build Your AI Agent App on SMS What will be the next big platform for the emerging interface we’re starting to see with AI agents and standards like [MCP](https://www.anthropic.com/news/model-context-protocol)? 🤔 Will it be ChatGPT, iOS, Android, Claude, Chrome, etc.? Actually, we can zoom out even further. Because the new interface is language. That means anything capable of exchanging text messages or voice can serve as a platform for this new interface. In principle, you could give iOS the finger and build your AI agent app over SMS and phone calls.