diff --git a/packages/parser/src/languages/base.ts b/packages/parser/src/languages/base.ts
new file mode 100644
index 0000000..2f23318
--- /dev/null
+++ b/packages/parser/src/languages/base.ts
@@ -0,0 +1,6 @@
+import type { FileNode } from "@codeboard/shared";
+
+export interface LanguageParser {
+  extensions: string[];
+  parse(content: string, filePath: string): FileNode;
+}