
AWS MCP Gateway Registry Guide 2026: Govern MCP Servers, Agents, and Skills at Scale
If you’re running more than a handful of MCP-backed agents in production, you’ve already hit the wall: point-to-point connections between every agent and every MCP server create an N×M integration nightmare, credential sprawl, and zero visibility into who’s calling what. AWS’s answer in 2026 is a two-layer governance stack — Bedrock AgentCore for per-agent MCP server integration and access control, and the A2A Gateway for centralized agent registry, discovery, routing, and rate limiting across your entire fleet. Here’s how to set it up, what each piece actually does, and where the sharp edges are. ...