What is an MCP proxy and why does it need an...

MCP (Model Context Protocol) lets AI agents call external tools. A database query, a file write, an API call -- the agent decides what to do and the MCP server executes it. But there's nothing in the spec that evaluates whether that action should happen. An MCP proxy sits between the agent and the MCP server. It intercepts every tools/call request, does something with it, and forwards it (or doesn't). The proxy pattern isn't new -- it's how HTTP proxies, API gateways, and service meshes work. Ap