Add proper URI validation to RootSchema using z.string().url()

Author: Tapan Chugh

src/types.test.ts

@@ -341,5 +341,15 @@ describe('Types', () => {
                 expect(result.data.name).toBe('GitHub Repo');
             }
         });
+
+        test('should reject invalid URIs', () => {
+            const invalidRoot = {
+                uri: '/home/modelcontextprotocol/project',
+                name: 'Invalid Root'
+            };
+
+            const result = RootSchema.safeParse(invalidRoot);
+            expect(result.success).toBe(false);
+        });
     });
 });

src/types.ts

@@ -1368,7 +1368,7 @@ export const RootSchema = z
          * The URI identifying the root. Can be any valid URI scheme (e.g., file://, https://, s3://, git://).
          * Servers should document which URI schemes they support and handle unsupported schemes gracefully.
          */
-        uri: z.string(),
+        uri: z.string().url(),
         /**
          * An optional name for the root.
          */