diff --git a/sdk/typescript/package.json b/sdk/typescript/package.json
index 3297ba6..f3b265a 100644
--- a/sdk/typescript/package.json
+++ b/sdk/typescript/package.json
@@ -10,7 +10,7 @@
     ],
     "scripts": {
         "build": "tsc",
-        "test": "vitest run",
+        "test": "vitest run --passWithNoTests",
         "test:watch": "vitest",
         "lint": "eslint src/ && prettier --check .",
         "format": "prettier --write ."
diff --git a/sdk/typescript/src/index.ts b/sdk/typescript/src/index.ts
new file mode 100644
index 0000000..4e78ad1
--- /dev/null
+++ b/sdk/typescript/src/index.ts
@@ -0,0 +1,5 @@
+// Entry point for the MCP Grouping Extension SDK.
+// The public API is added as the grouping extension spec takes shape; this
+// placeholder keeps the package buildable in the meantime.
+
+export {};