diff --git a/packages/tanstackstart/package.json b/packages/tanstackstart/package.json
index ed23f98806c9..d77c5fc54d16 100644
--- a/packages/tanstackstart/package.json
+++ b/packages/tanstackstart/package.json
@@ -23,8 +23,10 @@
         "import": "./build/esm/index.client.js",
         "require": "./build/cjs/index.client.js"
       },
-      "node": "./build/cjs/index.server.js",
-      "import": "./build/esm/index.server.js"
+      "node": {
+        "import": "./build/esm/index.server.js",
+        "require": "./build/cjs/index.server.js"
+      }
     },
     "./import": {
       "import": {
diff --git a/packages/tanstackstart/src/common/index.ts b/packages/tanstackstart/src/common/index.ts
new file mode 100644
index 000000000000..a853f3bee0ef
--- /dev/null
+++ b/packages/tanstackstart/src/common/index.ts
@@ -0,0 +1,16 @@
+/**
+ * A middleware handler that can be passed to TanStack Start's `createMiddleware().server(...)` method as [global middleware](https://tanstack.com/start/latest/docs/framework/react/middleware#global-middleware) for instrumenting server functions.
+ */
+export function sentryGlobalServerMiddlewareHandler() {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  return function <T>(server: { next: (...args: any[]) => T }): T {
+    return server.next();
+  };
+}
+
+/**
+ * Wraps a TanStack Start stream handler with Sentry instrumentation that can be passed to `createStartHandler(...)`.
+ */
+export function wrapStreamHandlerWithSentry<H>(handler: H): H {
+  return handler;
+}
diff --git a/packages/tanstackstart/src/config/index.ts b/packages/tanstackstart/src/config/index.ts
index cb0ff5c3b541..89897b1b6677 100644
--- a/packages/tanstackstart/src/config/index.ts
+++ b/packages/tanstackstart/src/config/index.ts
@@ -1 +1,6 @@
-export {};
+/**
+ * Wraps a TanStack Start config.
+ */
+export function wrapVinxiConfigWithSentry<C>(config: C): C {
+  return config;
+}
diff --git a/packages/tanstackstart/src/index.client.ts b/packages/tanstackstart/src/index.client.ts
index 4f1cce44fa36..478066d2ce1e 100644
--- a/packages/tanstackstart/src/index.client.ts
+++ b/packages/tanstackstart/src/index.client.ts
@@ -1 +1,2 @@
 export * from './client';
+export * from './common';
diff --git a/packages/tanstackstart/src/index.server.ts b/packages/tanstackstart/src/index.server.ts
index d08940e2ac5d..3295df71604b 100644
--- a/packages/tanstackstart/src/index.server.ts
+++ b/packages/tanstackstart/src/index.server.ts
@@ -1,43 +1,3 @@
 export * from './config';
 export * from './server';
-
-/**
- * A passthrough error boundary for the server that doesn't depend on any react. Error boundaries don't catch SSR errors
- * so they should simply be a passthrough.
- */
-export const ErrorBoundary = (props: React.PropsWithChildren<unknown>): React.ReactNode => {
-  if (!props.children) {
-    return null;
-  }
-
-  if (typeof props.children === 'function') {
-    return (props.children as () => React.ReactNode)();
-  }
-
-  return props.children;
-};
-
-/**
- * A passthrough redux enhancer for the server that doesn't depend on anything from the `@sentry/react` package.
- */
-export function createReduxEnhancer() {
-  return (createStore: unknown) => createStore;
-}
-
-/**
- * A passthrough error boundary wrapper for the server that doesn't depend on any react. Error boundaries don't catch
- * SSR errors so they should simply be a passthrough.
- */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function withErrorBoundary<P extends Record<string, any>>(
-  WrappedComponent: React.ComponentType<P>,
-): React.FC<P> {
-  return WrappedComponent as React.FC<P>;
-}
-
-/**
- * Just a passthrough since we're on the server and showing the report dialog on the server doesn't make any sense.
- */
-export function showReportDialog(): void {
-  return;
-}
+export * from './common';
diff --git a/packages/tanstackstart/src/index.types.ts b/packages/tanstackstart/src/index.types.ts
index ede1b27f0b3b..84a987788d17 100644
--- a/packages/tanstackstart/src/index.types.ts
+++ b/packages/tanstackstart/src/index.types.ts
@@ -3,6 +3,7 @@
 export * from './config';
 export * from './client';
 export * from './server';
+export * from './common';
 
 import type { Client, Integration, Options, StackParser } from '@sentry/core';
 
diff --git a/packages/tanstackstart/src/server/index.ts b/packages/tanstackstart/src/server/index.ts
index d61c75b7bfb4..91f80547f143 100644
--- a/packages/tanstackstart/src/server/index.ts
+++ b/packages/tanstackstart/src/server/index.ts
@@ -1 +1,42 @@
 export * from '@sentry/node';
+
+/**
+ * A passthrough error boundary for the server that doesn't depend on any react. Error boundaries don't catch SSR errors
+ * so they should simply be a passthrough.
+ */
+export const ErrorBoundary = (props: React.PropsWithChildren<unknown>): React.ReactNode => {
+  if (!props.children) {
+    return null;
+  }
+
+  if (typeof props.children === 'function') {
+    return (props.children as () => React.ReactNode)();
+  }
+
+  return props.children;
+};
+
+/**
+ * A passthrough redux enhancer for the server that doesn't depend on anything from the `@sentry/react` package.
+ */
+export function createReduxEnhancer() {
+  return (createStore: unknown) => createStore;
+}
+
+/**
+ * A passthrough error boundary wrapper for the server that doesn't depend on any react. Error boundaries don't catch
+ * SSR errors so they should simply be a passthrough.
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function withErrorBoundary<P extends Record<string, any>>(
+  WrappedComponent: React.ComponentType<P>,
+): React.FC<P> {
+  return WrappedComponent as React.FC<P>;
+}
+
+/**
+ * Just a passthrough since we're on the server and showing the report dialog on the server doesn't make any sense.
+ */
+export function showReportDialog(): void {
+  return;
+}