diff --git a/src/schemas/any.ts b/src/schemas/any.ts
new file mode 100644
index 0000000..bd7cec8
--- /dev/null
+++ b/src/schemas/any.ts
@@ -0,0 +1,15 @@
+import * as z from "zod";
+
+import * as v0_1 from "./0.1.js";
+import * as v0_2 from "./0.2.js";
+import * as v0_3 from "./0.3.js";
+
+/**
+ * Union schema that accepts any supported manifest version (0.1, 0.2, 0.3).
+ * Use this when you need to validate manifests of any version.
+ */
+export const McpbManifestSchema = z.union([
+  v0_1.McpbManifestSchema,
+  v0_2.McpbManifestSchema,
+  v0_3.McpbManifestSchema,
+]);
diff --git a/src/schemas/index.ts b/src/schemas/index.ts
index 1b7c64b..3729f0e 100644
--- a/src/schemas/index.ts
+++ b/src/schemas/index.ts
@@ -1,6 +1,7 @@
 export * as v0_1 from "./0.1.js";
 export * as v0_2 from "./0.2.js";
 export * as v0_3 from "./0.3.js";
+export * as any from "./any.js";
 export * as latest from "./latest.js";
 export {
   MANIFEST_VERSION as LATEST_MANIFEST_VERSION,