The Model Context Protocol (MCP) helps connect LLMs to external tools, databases, and APIs. But giving AI agents hands and feet to take real-world actions introduces an entirely new attack surface.

We just published a MCP Security Fundamentals Course on the freeCodeCamp.org YouTube channel.

This course walks you through the mechanics of agent exploitation and how to defend against them.

Traditional application security assumes deterministic code and predictable human or machine interactions. AI agents, however, introduce non-deterministic decision-makers right into your application logic.…