Fix jest tests

Author: stephencme

packages/create-mcp-ts/jest.config.js

@@ -21,9 +21,12 @@
   "type": "module",
   "bin": "./dist/index.js",
   "scripts": {
-    "build": "tsup src/index.ts --dts --clean",
-    "build:watch": "tsup src/index.ts --dts --watch",
-    "test": "jest"
+    "build": "tsup src/index.ts --format esm --dts --clean",
+    "build:watch": "tsup src/index.ts --format esm --dts --watch",
+    "test": "NODE_OPTIONS=--experimental-vm-modules jest"
+  },
+  "jest": {
+    "preset": "ts-jest/presets/default-esm"
   },
   "dependencies": {
     "chalk": "^4.1.2",

packages/create-mcp-ts/package.json

@@ -54,8 +54,12 @@ describe("create-mcp-ts", () => {
     const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf-8"));
 
     // Check scripts
-    expect(packageJson.scripts.dev).toBe("tsup src/index.ts --dts --watch");
-    expect(packageJson.scripts.build).toBe("tsup src/index.ts --dts --clean");
+    expect(packageJson.scripts.dev).toBe(
+      "tsup src/index.ts --format esm --dts --watch"
+    );
+    expect(packageJson.scripts.build).toBe(
+      "tsup src/index.ts --format esm --dts --clean"
+    );
     // Check setup script path (relative)
     expect(packageJson.scripts.setup).toMatch(
       /^node mcp-scripts[\\/]setup\.js$/