diff --git a/packages/react/src/mdx.d.ts b/packages/react/src/mdx.d.ts
new file mode 100644
index 0000000..1b6ccf4
--- /dev/null
+++ b/packages/react/src/mdx.d.ts
@@ -0,0 +1,7 @@
+declare module '*.mdx' {
+  import type { MDXProps } from 'mdx/types'
+  import type { Toc } from '@stefanprobst/rehype-extract-toc'
+
+  export const tableOfContents: Toc
+  export default function MDXContent(props: MDXProps): JSX.Element
+}
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