diff --git a/packages/server/jest.config.js b/packages/server/jest.config.js
index 17a5e4ce19a..66386424d3d 100644
--- a/packages/server/jest.config.js
+++ b/packages/server/jest.config.js
@@ -15,6 +15,11 @@ module.exports = {
     // Regular expression to find test files
     testRegex: '((\\.|/)index\\.test)\\.tsx?$',
 
+    // Stub ESM-only MCP SDK imports for Jest's CJS runtime.
+    moduleNameMapper: {
+        '^@modelcontextprotocol/sdk(/.*)?$': '<rootDir>/../components/test/__mocks__/esm-stub.js'
+    },
+
     // File extensions to recognize in module resolution
     moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
 
diff --git a/packages/server/package.json b/packages/server/package.json
index 9171e0483d1..093e5d53c11 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -47,7 +47,8 @@
         "cypress:run": "cypress run",
         "e2e": "start-server-and-test dev http://localhost:3000 cypress:run",
         "cypress:ci": "START_SERVER_AND_TEST_INSECURE=1 start-server-and-test start https-get://localhost:3000 cypress:run",
-        "test": "jest --runInBand --detectOpenHandles --forceExit"
+        "test": "jest --runInBand --detectOpenHandles --forceExit",
+        "test:coverage": "pnpm test --coverage"
     },
     "keywords": [],
     "homepage": "https://flowiseai.com",
diff --git a/turbo.json b/turbo.json
index 5161ad81f2e..60c3684ae2d 100644
--- a/turbo.json
+++ b/turbo.json
@@ -5,8 +5,12 @@
             "dependsOn": ["^build"],
             "outputs": ["dist/**"]
         },
-        "test": {},
-        "test:coverage": {},
+        "test": {
+            "dependsOn": ["^build"]
+        },
+        "test:coverage": {
+            "dependsOn": ["^build"]
+        },
         "dev": {
             "cache": false
         }