Pattern: 'Agent Firewalls' and MCP Gateways Are Emerging as a Dedicated Defense Layer

PipeLab·medium signal

In response to the NSA guidance and the MCP CVE wave, a new product category is forming around outbound-filtering proxies and MCP gateways that sit between agents and their tools — enforcing schema validation, DLP, message integrity, and local MCP scanning. Rather than hardening each server individually, builders are starting to centralize agent-to-tool traffic through a controllable choke point, mirroring how API gateways consolidated web-service security.