10 Security Principles Before You Ship an MCP Server

10 Security Principles Before You Ship an MCP Server Model Context Protocol (MCP) servers are becoming the standard way AI agents interact with external tools. But shipping one without proper security design can introduce attack vectors that don't exist in traditional web APIs. Why MCP Security Is Different When Claude or another AI calls your MCP server, it processes the response and may treat data as instructions. This is prompt injection : malicious content in your data pipeline that hijacks