REST API vs MCP: Which One Would You Build Around?

APIs have been the standard way for software to communicate for years. MCP introduces another approach where AI applications can discover and interact with tools and resources through a standardized protocol. For a new AI-first product, which approach would you prioritize? Would you expose a REST API, build an MCP server, or provide both? And if you choose MCP, what would you expose first: tools, resources, prompts, or a combination of them? Drop your technical take below. 👇