diff --git a/libraries/object-persistor/src/AbstractPersistor.js b/libraries/object-persistor/src/AbstractPersistor.js
index 3352766655..519fc7f954 100644
--- a/libraries/object-persistor/src/AbstractPersistor.js
+++ b/libraries/object-persistor/src/AbstractPersistor.js
@@ -160,4 +160,21 @@ module.exports = class AbstractPersistor {
       name,
     })
   }
+
+  /**
+   * List objects in a directory, returning the full keys.
+   *
+   * Suitable only for directories where the number of keys is known to be small.
+   *
+   * @param {string} location
+   * @param {string} prefix
+   * @returns {Promise<Array<string>>}
+   */
+  async listDirectoryKeys(location, prefix) {
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'listDirectoryKeys',
+      location,
+      prefix,
+    })
+  }
 }
diff --git a/libraries/object-persistor/src/FSPersistor.js b/libraries/object-persistor/src/FSPersistor.js
index 3bdfc8f07e..549a9a8c68 100644
--- a/libraries/object-persistor/src/FSPersistor.js
+++ b/libraries/object-persistor/src/FSPersistor.js
@@ -194,6 +194,11 @@ module.exports = class FSPersistor extends AbstractPersistor {
     }
   }
 
+  async listDirectoryKeys(location, name) {
+    const fsPath = this._getFsPath(location, name)
+    return await this._listDirectory(fsPath)
+  }
+
   async checkIfObjectExists(location, name) {
     const fsPath = this._getFsPath(location, name)
     try {
diff --git a/libraries/object-persistor/src/GcsPersistor.js b/libraries/object-persistor/src/GcsPersistor.js
index 0485373ae5..c90978eff7 100644
--- a/libraries/object-persistor/src/GcsPersistor.js
+++ b/libraries/object-persistor/src/GcsPersistor.js
@@ -288,23 +288,25 @@ module.exports = class GcsPersistor extends AbstractPersistor {
     } while (query)
   }
 
-  async directorySize(bucketName, key) {
-    let files
-    const prefix = ensurePrefixIsDirectory(key)
-
+  async #listDirectory(bucketName, prefix) {
     try {
       const [response] = await this.storage
         .bucket(bucketName)
         .getFiles({ prefix })
-      files = response
+      return response
     } catch (err) {
       throw PersistorHelper.wrapError(
         err,
         'failed to list objects in GCS',
-        { bucketName, key },
+        { bucketName, prefix },
         ReadError
       )
     }
+  }
+
+  async directorySize(bucketName, key) {
+    const prefix = ensurePrefixIsDirectory(key)
+    const files = await this.#listDirectory(bucketName, prefix)
 
     return files.reduce(
       (acc, file) => parseInt(file.metadata.size, 10) + acc,
@@ -312,6 +314,14 @@ module.exports = class GcsPersistor extends AbstractPersistor {
     )
   }
 
+  async listDirectoryKeys(bucketName, prefix) {
+    const files = await this.#listDirectory(
+      bucketName,
+      ensurePrefixIsDirectory(prefix)
+    )
+    return files.map(file => file.name)
+  }
+
   async checkIfObjectExists(bucketName, key) {
     try {
       const [response] = await this.storage
diff --git a/services/web/.eslintrc.js b/services/web/.eslintrc.js
index f8602a5b92..69b9bff98f 100644
--- a/services/web/.eslintrc.js
+++ b/services/web/.eslintrc.js
@@ -353,6 +353,7 @@ module.exports = {
         'scripts/suspend_users.mjs',
         'scripts/sync-user-entitlements/sync-user-entitlements.mjs',
         'scripts/update_project_image_name.mjs',
+        'scripts/user-export/analytics.mjs',
         'scripts/user-export/fs.mjs',
         'scripts/user-export/http.mjs',
         'scripts/user-export/observer.mjs',