Best MCP Gateways for AI Agents in 2026

The Model Context Protocol (MCP), introduced by Anthropic in late 2024, has quickly become the emerging standard for connecting AI agents to external tools and systems. The protocol defines how large language model applications discover tools, invoke them, and exchange structured data through a consistent interface. Major AI platforms including OpenAI, Google, and Microsoft have adopted MCP-style architectures for tool integration, accelerating its adoption across the ecosystem. As a result, MCP is increasingly becoming the default way AI agents interact with APIs, databases, internal services, and enterprise workflows. However, the protocol itself does not address the operational challenges of running agent systems in production. Connecting agents directly to dozens of MCP servers may work for small experiments, but it quickly becomes difficult to manage at scale. Without centralized governance, organizations face fragmented authentication, limited auditing, uncontrolled API usage, an