LLM Gateway vs MCP Gateway: Understanding the New AI Infrastructure Stack (opens in new tab)

As AI applications evolve from simple chatbots into autonomous agents, a new infrastructure layer is emerging. Terms like LLM Gateway, MCP Gateway, MCP Registry, LLM Router, and Agent Gateway are appearing everywhere—but what do they actually do? Let's break it down. The Challenge with Modern AI Systems Early AI applications were simple: Application → LLM Today's enterprise AI systems are very different. A single AI agent may need to: Access multiple LLM providers Connect to GitHub, Slack, Ji...