How to protect your MCP Server with Fastly

As organizations increasingly incorporate AI agents and agentic workflows, Model Context Protocol (MCP) servers are becoming critical for integrating AI models with enterprise systems, yet they introduce complex security challenges. Unlike traditional API traffic, MCP traffic involves dynamic tool discovery and interactions across trust boundaries, expanding the attack surface and necessitating advanced security measures. Fastly responded to these challenges by developing a security prototype for a global publisher's MCP server, meeting key requirements such as detecting AI-specific attack vectors, ensuring production-scale performance, and allowing complex authentication. The prototype utilizes Fastly's global network, bot management, next-gen WAF, and media shield to implement custom traffic logic, block unwanted automation clients, mitigate OWASP and AI-specific attacks, and reduce origin load. The 10-week trial of this solution exceeded desired metrics, achieving sub-50ms latency and 500MB+ payload capacity without timeouts, proving effective in securing the publisher's AI infrastructure while maintaining performance. Fastly's platform offers programmable security and real-time visibility, enabling organizations to adopt AI technologies with confidence and reduced risk.

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