The problem AI-generated code is everywhere. GitHub Copilot, Claude, ChatGPT — they all write code fast. But they also introduce subtle bugs, SQL injections, and insecure patterns that look totally fine at first glance. I wanted a tool that sits inside my AI agent and reviews code before I ship it. Not a linter. Not a static analyzer. A strict senior engineer who actually explains why something is wrong and shows the fix. What I built mcp-code-sanitizer — an MCP server that plugs into Claude Desktop or Cursor and gives you a strict AI code review powered by Groq's free API (llama-3.3-70b).…