diff --git a/packages/tanstackstart-react/package.json b/packages/tanstackstart-react/package.json
index 48515847c792..62ac17cfc5d1 100644
--- a/packages/tanstackstart-react/package.json
+++ b/packages/tanstackstart-react/package.json
@@ -19,6 +19,14 @@
     "./package.json": "./package.json",
     ".": {
       "types": "./build/types/index.types.d.ts",
+      "workerd": {
+        "import": "./build/esm/cloudflare/index.js",
+        "require": "./build/cjs/cloudflare/index.js"
+      },
+      "worker": {
+        "import": "./build/esm/cloudflare/index.js",
+        "require": "./build/cjs/cloudflare/index.js"
+      },
       "browser": {
         "import": "./build/esm/index.client.js",
         "require": "./build/cjs/index.client.js"
@@ -28,6 +36,12 @@
         "require": "./build/cjs/index.server.js"
       }
     },
+    "./cloudflare": {
+      "types": "./build/types/cloudflare/index.d.ts",
+      "import": "./build/esm/cloudflare/index.js",
+      "require": "./build/cjs/cloudflare/index.js",
+      "default": "./build/esm/cloudflare/index.js"
+    },
     "./import": {
       "import": {
         "default": "./build/import-hook.mjs"
@@ -72,7 +86,7 @@
     "build:dev:watch": "yarn build:watch",
     "build:transpile:watch": "nodemon --ext ts --watch src scripts/buildRollup.ts",
     "build:tarball": "npm pack",
-    "circularDepCheck": "madge --circular src/index.client.ts && madge --circular src/index.server.ts && madge --circular src/index.types.ts",
+    "circularDepCheck": "madge --circular src/index.client.ts && madge --circular src/index.server.ts && madge --circular src/index.types.ts && madge --circular src/cloudflare/index.ts",
     "clean": "rimraf build coverage sentry-tanstackstart-react-*.tgz",
     "fix": "eslint . --format stylish --fix",
     "lint": "eslint . --format stylish",
diff --git a/packages/tanstackstart-react/rollup.npm.config.mjs b/packages/tanstackstart-react/rollup.npm.config.mjs
index 3c1bae9abd07..236262ed85f7 100644
--- a/packages/tanstackstart-react/rollup.npm.config.mjs
+++ b/packages/tanstackstart-react/rollup.npm.config.mjs
@@ -3,7 +3,13 @@ import { makeBaseNPMConfig, makeNPMConfigVariants, makeOtelLoaders } from '@sent
 export default [
   ...makeNPMConfigVariants(
     makeBaseNPMConfig({
-      entrypoints: ['src/index.server.ts', 'src/index.client.ts', 'src/client/index.ts', 'src/server/index.ts'],
+      entrypoints: [
+        'src/index.server.ts',
+        'src/index.client.ts',
+        'src/client/index.ts',
+        'src/server/index.ts',
+        'src/cloudflare/index.ts',
+      ],
     }),
   ),
   ...makeOtelLoaders('./build', 'sentry-node'),
diff --git a/packages/tanstackstart-react/src/cloudflare/index.ts b/packages/tanstackstart-react/src/cloudflare/index.ts
new file mode 100644
index 000000000000..0a0df6863dbf
--- /dev/null
+++ b/packages/tanstackstart-react/src/cloudflare/index.ts
@@ -0,0 +1,36 @@
+// import/export got a false positive, and affects most of our index barrel files
+// can be removed once following issue is fixed: https://github.com/import-js/eslint-plugin-import/issues/703
+/* eslint-disable import/export */
+export * from '../client';
+export * from '../common';
+
+export { wrapFetchWithSentry } from '../server/wrapFetchWithSentry';
+export { wrapMiddlewaresWithSentry } from '../server/middleware';
+export { sentryGlobalRequestMiddleware, sentryGlobalFunctionMiddleware } from '../server/globalMiddleware';
+
+/**
+ * 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 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>;
+}
diff --git a/packages/tanstackstart-react/src/server/middleware.ts b/packages/tanstackstart-react/src/server/middleware.ts
index 9347e6760742..348fb74384c7 100644
--- a/packages/tanstackstart-react/src/server/middleware.ts
+++ b/packages/tanstackstart-react/src/server/middleware.ts
@@ -1,6 +1,5 @@
-import { addNonEnumerableProperty } from '@sentry/core';
-import type { Span } from '@sentry/node';
-import { getActiveSpan, startSpanManual, withActiveSpan } from '@sentry/node';
+import type { Span } from '@sentry/core';
+import { addNonEnumerableProperty, getActiveSpan, startSpanManual, withActiveSpan } from '@sentry/core';
 import type { MiddlewareWrapperOptions, TanStackMiddlewareBase } from '../common/types';
 import { getMiddlewareSpanOptions } from './utils';
 
diff --git a/packages/tanstackstart-react/src/server/utils.ts b/packages/tanstackstart-react/src/server/utils.ts
index 2a94cb79deac..fcbae62c2142 100644
--- a/packages/tanstackstart-react/src/server/utils.ts
+++ b/packages/tanstackstart-react/src/server/utils.ts
@@ -1,5 +1,5 @@
 import type { StartSpanOptions } from '@sentry/core';
-import { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN } from '@sentry/node';
+import { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN } from '@sentry/core';
 
 /**
  * Extracts the SHA-256 hash from a server function pathname.
diff --git a/packages/tanstackstart-react/src/server/wrapFetchWithSentry.ts b/packages/tanstackstart-react/src/server/wrapFetchWithSentry.ts
index 22d218ef0b48..635bc75c8779 100644
--- a/packages/tanstackstart-react/src/server/wrapFetchWithSentry.ts
+++ b/packages/tanstackstart-react/src/server/wrapFetchWithSentry.ts
@@ -1,4 +1,4 @@
-import { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, startSpan } from '@sentry/node';
+import { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, startSpan } from '@sentry/core';
 import { extractServerFunctionSha256 } from './utils';
 
 export type ServerEntry = {
diff --git a/packages/tanstackstart-react/test/cloudflare/index.test.ts b/packages/tanstackstart-react/test/cloudflare/index.test.ts
new file mode 100644
index 000000000000..db17d528e308
--- /dev/null
+++ b/packages/tanstackstart-react/test/cloudflare/index.test.ts
@@ -0,0 +1,60 @@
+import { describe, expect, it } from 'vitest';
+import * as CloudflareExports from '../../src/cloudflare/index';
+
+describe('Cloudflare entrypoint', () => {
+  describe('exports', () => {
+    it('exports wrapMiddlewaresWithSentry as a function (server implementation)', () => {
+      expect(typeof CloudflareExports.wrapMiddlewaresWithSentry).toBe('function');
+
+      // The server implementation wraps middlewares with Sentry instrumentation.
+      // Verify it handles an empty object correctly (server impl returns an empty array).
+      const result = CloudflareExports.wrapMiddlewaresWithSentry({});
+      expect(result).toEqual([]);
+    });
+
+    it('exports sentryGlobalRequestMiddleware as a middleware object with server handler', () => {
+      const middleware = CloudflareExports.sentryGlobalRequestMiddleware;
+      expect(middleware).toBeDefined();
+      // The server implementation has a server handler function, unlike the client no-op stub.
+      expect(typeof middleware.options.server).toBe('function');
+    });
+
+    it('exports sentryGlobalFunctionMiddleware as a middleware object with server handler', () => {
+      const middleware = CloudflareExports.sentryGlobalFunctionMiddleware;
+      expect(middleware).toBeDefined();
+      // The server implementation has a server handler function, unlike the client no-op stub.
+      expect(typeof middleware.options.server).toBe('function');
+    });
+
+    it('exports wrapFetchWithSentry', () => {
+      expect(typeof CloudflareExports.wrapFetchWithSentry).toBe('function');
+    });
+  });
+
+  describe('ErrorBoundary', () => {
+    it('is a passthrough that returns children directly', () => {
+      const children = 'test child';
+      const result = CloudflareExports.ErrorBoundary({ children });
+      expect(result).toBe('test child');
+    });
+
+    it('returns null when no children are provided', () => {
+      const result = CloudflareExports.ErrorBoundary({});
+      expect(result).toBeNull();
+    });
+
+    it('calls children when children is a function', () => {
+      const children = () => 'function result';
+      const result = CloudflareExports.ErrorBoundary({ children });
+      expect(result).toBe('function result');
+    });
+  });
+
+  describe('withErrorBoundary', () => {
+    it('is a passthrough that returns the original component', () => {
+      const MockComponent = () => null;
+      const result = CloudflareExports.withErrorBoundary(MockComponent);
+      expect(result).toBe(MockComponent);
+    });
+  });
+});