Add standalone Paperclip MCP server package

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/mcp-server/src/stdio.ts

@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+import { runServer } from "./index.js";
+
+void runServer().catch((error) => {
+  console.error("Failed to start Paperclip MCP server:", error);
+  process.exit(1);
+});