diff --git a/docs/.vitepress/analyzers/mcla.ts b/docs/.vitepress/analyzers/mcla.ts
index 1dbc3945..b25c4e80 100644
--- a/docs/.vitepress/analyzers/mcla.ts
+++ b/docs/.vitepress/analyzers/mcla.ts
@@ -20,7 +20,7 @@ export {
   loadMCLA,
 }
 
-const VERSION = "v0.4.22"
+const VERSION = "v0.4.23"
 // const VERSION = "dev"
 const RESOURCES_BASE = "https://globemc.github.io/mcla"
 const GO_WASM_EXEC_URL = useCDN(`${RESOURCES_BASE}/${VERSION}/wasm_exec.js`)
diff --git a/docs/public/scripts/mcla_worker.js b/docs/public/scripts/mcla_worker.js
index fa8e0a7f..1abd2a62 100644
--- a/docs/public/scripts/mcla_worker.js
+++ b/docs/public/scripts/mcla_worker.js
@@ -44,6 +44,29 @@ class DBStorage {
     return this._getStore().index("k")
   }
 
+  _openCursor() {
+    return this._getStore().openCursor()
+  }
+
+  keys() {
+    return new Promise((resolve, reject) => {
+      const keys = []
+      const request = this._openCursor()
+      request.onerror = reject
+      request.onsuccess = function(event) {
+        const cursor = event.target.result
+        if (cursor) {
+          const key = cursor.primaryKey
+          console.debug(key, cursor.value)
+          keys.push(key)
+          cursor.continue()
+        } else {
+          resolve(keys)
+        }
+      };
+    })
+  }
+
   async getItem(key) {
     const res = (await wrapDBReq(this._getIndex().get(key))).target.result
     if (res) {