MCP Server Security

Comprehensive hardening guide for Model Context Protocol (MCP) servers. MCP is the open standard for connecting AI agents to external tools, data sources, and services. Because MCP servers execute real actions on real infrastructure, they are a high-value attack surface. This skill covers every layer of defense you need before exposing an MCP server to agents in production.

2. MCP Threat Model

Before hardening, understand what you are defending against.