Connecting local or cloud LLMs directly to databases, filesystems, and internal APIs via Model Context Protocol (MCP) creates a massive attack surface. If a model gets tricked by prompt injection or leaks credentials in context, there's rarely a safety boundary in place to catch it. I spent the last few weeks building Krypton MCP , a high-throughput security proxy written in Go that acts as an interceptor between LLM clients and MCP servers. The Problem it Solves Most MCP set...