MCP — the Model Context Protocol — is having its moment. It's the "USB-C of AI": one standard plug, and suddenly your agent can read your GitHub, query your database, hit your internal APIs, post to Slack. I've built a few MCP servers myself. They're genuinely great. They're also the most casually-installed backdoor in modern dev tooling, and almost nobody talks about why . Here's the part the hype skips: an MCP server doesn't just give your AI hands. It gives whatever text flows through...