feat: Add filesystem as an example (#52)

examples/file-system-node/server/index.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+/**
+ * Entry point for the Filesystem MCP server extension
+ * This wraps the @modelcontextprotocol/server-filesystem package
+ */
+
+// Get allowed directories from command line arguments
+const args = process.argv.slice(2);
+
+// Use dynamic require since we need CommonJS compatibility
+const loadServer = async () => {
+  try {
+    // Save original argv
+    const originalArgv = process.argv;
+    
+    // The filesystem server expects directories as command line arguments
+    process.argv = [process.argv[0], process.argv[1], ...args];
+    
+    // Dynamically import the ESM module
+    await import('@modelcontextprotocol/server-filesystem/dist/index.js');
+    
+    // Restore original argv
+    process.argv = originalArgv;
+  } catch (error) {
+    console.error('Failed to load @modelcontextprotocol/server-filesystem:', error);
+    process.exit(1);
+  }
+};
+
+// Execute the async function
+loadServer();