diff --git a/.sqlx/query-f1c55a5255b1c7e5c96e21cb8557b6d46f713630d819f94cc7a966dbdaf00a2a.json b/.sqlx/query-f1c55a5255b1c7e5c96e21cb8557b6d46f713630d819f94cc7a966dbdaf00a2a.json
new file mode 100644
index 00000000..25e35150
--- /dev/null
+++ b/.sqlx/query-f1c55a5255b1c7e5c96e21cb8557b6d46f713630d819f94cc7a966dbdaf00a2a.json
@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n      SELECT workspace_id, COUNT(*) AS member_count\n      FROM af_workspace_member\n      WHERE workspace_id = ANY($1)\n      GROUP BY workspace_id\n    ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "workspace_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "member_count",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "UuidArray"
+      ]
+    },
+    "nullable": [
+      false,
+      null
+    ]
+  },
+  "hash": "f1c55a5255b1c7e5c96e21cb8557b6d46f713630d819f94cc7a966dbdaf00a2a"
+}
diff --git a/libs/client-api-test/src/client.rs b/libs/client-api-test/src/client.rs
index e9961e68..7a4ae073 100644
--- a/libs/client-api-test/src/client.rs
+++ b/libs/client-api-test/src/client.rs
@@ -72,7 +72,6 @@ pub async fn workspace_id_from_client(c: &Client) -> String {
   c.get_workspaces()
     .await
     .unwrap()
-    .0
     .first()
     .unwrap()
     .workspace_id
diff --git a/libs/client-api-test/src/test_client.rs b/libs/client-api-test/src/test_client.rs
index 12318960..4afbbac9 100644
--- a/libs/client-api-test/src/test_client.rs
+++ b/libs/client-api-test/src/test_client.rs
@@ -391,7 +391,6 @@ impl TestClient {
       .get_workspaces()
       .await
       .unwrap()
-      .0
       .first()
       .unwrap()
       .workspace_id
diff --git a/libs/client-api/src/http.rs b/libs/client-api/src/http.rs
index 9db30dfc..4f8c8316 100644
--- a/libs/client-api/src/http.rs
+++ b/libs/client-api/src/http.rs
@@ -1,5 +1,6 @@
 use crate::notify::{ClientToken, TokenStateReceiver};
 use app_error::AppError;
+use client_api_entity::workspace_dto::QueryWorkspaceParam;
 use client_api_entity::AuthProvider;
 use client_api_entity::CollabType;
 use gotrue::grant::PasswordGrant;
@@ -16,7 +17,7 @@ use reqwest::Method;
 use reqwest::RequestBuilder;
 
 use client_api_entity::{
-  AFSnapshotMeta, AFSnapshotMetas, AFUserProfile, AFUserWorkspaceInfo, AFWorkspace, AFWorkspaces,
+  AFSnapshotMeta, AFSnapshotMetas, AFUserProfile, AFUserWorkspaceInfo, AFWorkspace,
   QuerySnapshotParams, SnapshotData,
 };
 use semver::Version;
@@ -627,16 +628,26 @@ impl Client {
     AppResponse::<()>::from_response(resp).await?.into_error()
   }
 
+  pub async fn get_workspaces(&self) -> Result<Vec<AFWorkspace>, AppResponseError> {
+    self
+      .get_workspaces_opt(QueryWorkspaceParam::default())
+      .await
+  }
+
   #[instrument(level = "info", skip_all, err)]
-  pub async fn get_workspaces(&self) -> Result<AFWorkspaces, AppResponseError> {
+  pub async fn get_workspaces_opt(
+    &self,
+    param: QueryWorkspaceParam,
+  ) -> Result<Vec<AFWorkspace>, AppResponseError> {
     let url = format!("{}/api/workspace", self.base_url);
     let resp = self
       .http_client_with_auth(Method::GET, &url)
       .await?
+      .query(&param)
       .send()
       .await?;
     log_request_id(&resp);
-    AppResponse::<AFWorkspaces>::from_response(resp)
+    AppResponse::<Vec<AFWorkspace>>::from_response(resp)
       .await?
       .into_data()
   }
diff --git a/libs/database-entity/src/dto.rs b/libs/database-entity/src/dto.rs
index 80da8cc4..9ea08a1b 100644
--- a/libs/database-entity/src/dto.rs
+++ b/libs/database-entity/src/dto.rs
@@ -530,11 +530,9 @@ pub struct AFWorkspace {
   pub workspace_name: String,
   pub created_at: DateTime<Utc>,
   pub icon: String,
+  pub member_count: Option<i64>,
 }
 
-#[derive(Serialize, Deserialize)]
-pub struct AFWorkspaces(pub Vec<AFWorkspace>);
-
 #[derive(Serialize, Deserialize)]
 pub struct AFWorkspaceSettings {
   #[serde(default)]
diff --git a/libs/database/src/pg_row.rs b/libs/database/src/pg_row.rs
index 0ce9b9a7..8ad6ff9d 100644
--- a/libs/database/src/pg_row.rs
+++ b/libs/database/src/pg_row.rs
@@ -47,6 +47,7 @@ impl TryFrom<AFWorkspaceRow> for AFWorkspace {
       workspace_name,
       created_at,
       icon,
+      member_count: None,
     })
   }
 }
diff --git a/libs/database/src/workspace.rs b/libs/database/src/workspace.rs
index f654aa05..61037647 100644
--- a/libs/database/src/workspace.rs
+++ b/libs/database/src/workspace.rs
@@ -643,6 +643,39 @@ pub async fn select_all_user_workspaces<'a, E: Executor<'a, Database = Postgres>
   Ok(workspaces)
 }
 
+pub async fn select_member_count_for_workspaces<'a, E: Executor<'a, Database = Postgres>>(
+  executor: E,
+  workspace_ids: &[Uuid],
+) -> Result<HashMap<Uuid, i64>, AppError> {
+  let query_res = sqlx::query!(
+    r#"
+      SELECT workspace_id, COUNT(*) AS member_count
+      FROM af_workspace_member
+      WHERE workspace_id = ANY($1)
+      GROUP BY workspace_id
+    "#,
+    workspace_ids
+  )
+  .fetch_all(executor)
+  .await?;
+
+  let mut ret = HashMap::with_capacity(workspace_ids.len());
+  for row in query_res {
+    let count = match row.member_count {
+      Some(c) => c,
+      None => continue,
+    };
+    ret.insert(row.workspace_id, count);
+  }
+  for workspace_id in workspace_ids.iter() {
+    if !ret.contains_key(workspace_id) {
+      ret.insert(*workspace_id, 0);
+    }
+  }
+
+  Ok(ret)
+}
+
 pub async fn select_permission(
   pool: &PgPool,
   permission_id: &i64,
diff --git a/libs/shared-entity/src/dto/workspace_dto.rs b/libs/shared-entity/src/dto/workspace_dto.rs
index 6d0ce3f7..d8d21445 100644
--- a/libs/shared-entity/src/dto/workspace_dto.rs
+++ b/libs/shared-entity/src/dto/workspace_dto.rs
@@ -120,3 +120,8 @@ pub struct CollabResponse {
   #[serde(default)]
   pub object_id: String,
 }
+
+#[derive(Default, Debug, Deserialize, Serialize)]
+pub struct QueryWorkspaceParam {
+  pub include_member_count: Option<bool>,
+}
diff --git a/src/api/workspace.rs b/src/api/workspace.rs
index f612bde8..8d0ad5a1 100644
--- a/src/api/workspace.rs
+++ b/src/api/workspace.rs
@@ -231,28 +231,20 @@ async fn delete_workspace_handler(
   Ok(AppResponse::Ok().into())
 }
 
-// TODO: also get shared workspaces
+/// Get all user owned and shared workspaces
 #[instrument(skip_all, err)]
 async fn list_workspace_handler(
   uuid: UserUuid,
   state: Data<AppState>,
-) -> Result<JsonAppResponse<AFWorkspaces>> {
-  let rows = workspace::ops::get_all_user_workspaces(&state.pg_pool, &uuid).await?;
-  let workspaces = rows
-    .into_iter()
-    .flat_map(|row| {
-      let result = AFWorkspace::try_from(row);
-      if let Err(err) = &result {
-        event!(
-          tracing::Level::ERROR,
-          "Failed to convert workspace row to AFWorkspace: {:?}",
-          err
-        );
-      }
-      result
-    })
-    .collect::<Vec<_>>();
-  Ok(AppResponse::Ok().with_data(AFWorkspaces(workspaces)).into())
+  query: web::Query<QueryWorkspaceParam>,
+) -> Result<JsonAppResponse<Vec<AFWorkspace>>> {
+  let workspaces = workspace::ops::get_all_user_workspaces(
+    &state.pg_pool,
+    &uuid,
+    query.into_inner().include_member_count.unwrap_or(false),
+  )
+  .await?;
+  Ok(AppResponse::Ok().with_data(workspaces).into())
 }
 
 #[instrument(skip(payload, state), err)]
diff --git a/src/biz/workspace/ops.rs b/src/biz/workspace/ops.rs
index 27bf708d..2bb6d42c 100644
--- a/src/biz/workspace/ops.rs
+++ b/src/biz/workspace/ops.rs
@@ -15,18 +15,19 @@ use app_error::{AppError, ErrorCode};
 use appflowy_collaborate::collab::storage::CollabAccessControlStorage;
 use database::collab::upsert_collab_member_with_txn;
 use database::file::s3_client_impl::S3BucketStorage;
-use database::pg_row::{AFWorkspaceMemberRow, AFWorkspaceRow};
+use database::pg_row::AFWorkspaceMemberRow;
 
 use database::user::select_uid_from_email;
 use database::workspace::{
   change_workspace_icon, delete_from_workspace, delete_published_collabs, delete_workspace_members,
   get_invitation_by_id, insert_or_replace_publish_collab_metas, insert_user_workspace,
   insert_workspace_invitation, rename_workspace, select_all_user_workspaces,
-  select_publish_collab_meta, select_published_collab_blob, select_published_collab_info,
-  select_user_is_collab_publisher_for_all_views, select_user_is_workspace_owner, select_workspace,
-  select_workspace_invitations_for_user, select_workspace_member, select_workspace_member_list,
-  select_workspace_publish_namespace, select_workspace_publish_namespace_exists,
-  select_workspace_settings, select_workspace_total_collab_bytes, update_updated_at_of_workspace,
+  select_member_count_for_workspaces, select_publish_collab_meta, select_published_collab_blob,
+  select_published_collab_info, select_user_is_collab_publisher_for_all_views,
+  select_user_is_workspace_owner, select_workspace, select_workspace_invitations_for_user,
+  select_workspace_member, select_workspace_member_list, select_workspace_publish_namespace,
+  select_workspace_publish_namespace_exists, select_workspace_settings,
+  select_workspace_total_collab_bytes, update_updated_at_of_workspace,
   update_workspace_invitation_set_status_accepted, update_workspace_publish_namespace,
   upsert_workspace_member, upsert_workspace_member_with_txn, upsert_workspace_settings,
 };
@@ -187,8 +188,32 @@ pub async fn delete_published_workspace_collab(
 pub async fn get_all_user_workspaces(
   pg_pool: &PgPool,
   user_uuid: &Uuid,
-) -> Result<Vec<AFWorkspaceRow>, AppResponseError> {
+  include_member_count: bool,
+) -> Result<Vec<AFWorkspace>, AppResponseError> {
   let workspaces = select_all_user_workspaces(pg_pool, user_uuid).await?;
+  let mut workspaces = workspaces
+    .into_iter()
+    .flat_map(|row| {
+      let result = AFWorkspace::try_from(row);
+      if let Err(err) = &result {
+        tracing::error!("Failed to convert workspace row to AFWorkspace: {:?}", err);
+      }
+      result
+    })
+    .collect::<Vec<_>>();
+  if include_member_count {
+    let ids = workspaces
+      .iter()
+      .map(|row| row.workspace_id)
+      .collect::<Vec<_>>();
+    let member_count_by_workspace_id = select_member_count_for_workspaces(pg_pool, &ids).await?;
+    for workspace in workspaces.iter_mut() {
+      if let Some(member_count) = member_count_by_workspace_id.get(&workspace.workspace_id) {
+        workspace.member_count = Some(*member_count);
+      }
+    }
+  }
+
   Ok(workspaces)
 }
 
diff --git a/tests/file_test/put_and_get.rs b/tests/file_test/put_and_get.rs
index 04588913..dc231d37 100644
--- a/tests/file_test/put_and_get.rs
+++ b/tests/file_test/put_and_get.rs
@@ -16,7 +16,6 @@ async fn get_but_not_exists() {
     .get_workspaces()
     .await
     .unwrap()
-    .0
     .first()
     .unwrap()
     .workspace_id
diff --git a/tests/gotrue/admin.rs b/tests/gotrue/admin.rs
index 8c87740f..a66f45bd 100644
--- a/tests/gotrue/admin.rs
+++ b/tests/gotrue/admin.rs
@@ -152,7 +152,7 @@ async fn admin_generate_link_and_user_sign_in_and_invite() {
     assert!(is_new);
 
     let workspaces = client.get_workspaces().await.unwrap();
-    assert_eq!(workspaces.0.len(), 1);
+    assert_eq!(workspaces.len(), 1);
 
     let friend_email = generate_unique_email();
     client.invite(&friend_email).await.unwrap();
diff --git a/tests/user/delete.rs b/tests/user/delete.rs
index 725c85ff..c8324ed7 100644
--- a/tests/user/delete.rs
+++ b/tests/user/delete.rs
@@ -4,7 +4,7 @@ use gotrue::params::{AdminDeleteUserParams, AdminUserParams};
 #[tokio::test]
 async fn admin_delete_create_same_user_hard() {
   let (client, user) = generate_unique_registered_user_client().await;
-  let workspaces = client.get_workspaces().await.unwrap().0;
+  let workspaces = client.get_workspaces().await.unwrap();
   assert_eq!(workspaces.len(), 1);
   let workspace_id = workspaces[0].workspace_id;
   let user_uuid = client.get_profile().await.unwrap().uuid;
@@ -48,7 +48,7 @@ async fn admin_delete_create_same_user_hard() {
     .await
     .unwrap();
   let recreated_user_uuid = client.get_profile().await.unwrap().uuid;
-  let recreated_workspace_uuid = client.get_workspaces().await.unwrap().0[0].workspace_id;
+  let recreated_workspace_uuid = client.get_workspaces().await.unwrap()[0].workspace_id;
   assert_ne!(user_uuid, recreated_user_uuid);
   assert_ne!(workspace_id, recreated_workspace_uuid);
 }
diff --git a/tests/user/sign_in.rs b/tests/user/sign_in.rs
index c2d91c26..ffb749c1 100644
--- a/tests/user/sign_in.rs
+++ b/tests/user/sign_in.rs
@@ -63,7 +63,7 @@ async fn sign_in_success() {
       .is_some());
 
     let workspaces = c.get_workspaces().await.unwrap();
-    assert_eq!(workspaces.0.len(), 1);
+    assert_eq!(workspaces.len(), 1);
     let _ = c.get_profile().await.unwrap();
   }
 
@@ -78,7 +78,7 @@ async fn sign_in_success() {
 
     // workspaces should be the same
     let workspaces = c.get_workspaces().await.unwrap();
-    assert_eq!(workspaces.0.len(), 1);
+    assert_eq!(workspaces.len(), 1);
   }
 }
 
diff --git a/tests/workspace/invitation_crud.rs b/tests/workspace/invitation_crud.rs
index 04bc6e86..b84932de 100644
--- a/tests/workspace/invitation_crud.rs
+++ b/tests/workspace/invitation_crud.rs
@@ -1,6 +1,6 @@
 use client_api_test::generate_unique_registered_user_client;
 use database_entity::dto::{AFRole, AFWorkspaceInvitationStatus};
-use shared_entity::dto::workspace_dto::WorkspaceMemberInvitation;
+use shared_entity::dto::workspace_dto::{QueryWorkspaceParam, WorkspaceMemberInvitation};
 
 #[tokio::test]
 async fn invite_workspace_crud() {
@@ -9,7 +9,6 @@ async fn invite_workspace_crud() {
     .get_workspaces()
     .await
     .unwrap()
-    .0
     .first()
     .unwrap()
     .workspace_id;
@@ -67,4 +66,17 @@ async fn invite_workspace_crud() {
     .await
     .unwrap();
   assert_eq!(accepted_invs.len(), 1);
+
+  // workspace now have 2 members
+  let member_count = bob_client
+    .get_workspaces_opt(QueryWorkspaceParam {
+      include_member_count: Some(true),
+    })
+    .await
+    .unwrap()
+    .first()
+    .unwrap()
+    .member_count
+    .unwrap();
+  assert_eq!(member_count, 2);
 }
diff --git a/tests/workspace/member_crud.rs b/tests/workspace/member_crud.rs
index adec5df6..300f18b3 100644
--- a/tests/workspace/member_crud.rs
+++ b/tests/workspace/member_crud.rs
@@ -148,7 +148,7 @@ async fn add_not_exist_workspace_members() {
     .unwrap();
 
   let workspaces = invited_client.get_workspaces().await.unwrap();
-  assert_eq!(workspaces.0.len(), 2);
+  assert_eq!(workspaces.len(), 2);
 }
 
 #[tokio::test]
diff --git a/tests/workspace/publish.rs b/tests/workspace/publish.rs
index bb15b636..4850e1ca 100644
--- a/tests/workspace/publish.rs
+++ b/tests/workspace/publish.rs
@@ -251,7 +251,6 @@ async fn get_first_workspace_string(c: &client_api::Client) -> String {
   c.get_workspaces()
     .await
     .unwrap()
-    .0
     .first()
     .unwrap()
     .workspace_id
diff --git a/tests/workspace/workspace_crud.rs b/tests/workspace/workspace_crud.rs
index 37030977..5f484ae7 100644
--- a/tests/workspace/workspace_crud.rs
+++ b/tests/workspace/workspace_crud.rs
@@ -8,7 +8,7 @@ use shared_entity::dto::workspace_dto::PatchWorkspaceParam;
 async fn add_and_delete_workspace_for_user() {
   let (c, _user) = generate_unique_registered_user_client().await;
   let workspaces = c.get_workspaces().await.unwrap();
-  assert_eq!(workspaces.0.len(), 1);
+  assert_eq!(workspaces.len(), 1);
   let newly_added_workspace = c
     .create_workspace(CreateWorkspaceParam {
       workspace_name: Some("my_workspace".to_string()),
@@ -16,10 +16,9 @@ async fn add_and_delete_workspace_for_user() {
     .await
     .unwrap();
   let workspaces = c.get_workspaces().await.unwrap();
-  assert_eq!(workspaces.0.len(), 2);
+  assert_eq!(workspaces.len(), 2);
 
   let _ = workspaces
-    .0
     .iter()
     .find(|w| {
       w.workspace_name == "my_workspace" && w.workspace_id == newly_added_workspace.workspace_id
@@ -39,7 +38,7 @@ async fn add_and_delete_workspace_for_user() {
 
   c.delete_workspace(&workspace_id).await.unwrap();
   let workspaces = c.get_workspaces().await.unwrap();
-  assert_eq!(workspaces.0.len(), 1);
+  assert_eq!(workspaces.len(), 1);
 }
 
 #[tokio::test]
@@ -49,7 +48,6 @@ async fn test_workspace_rename_and_icon_change() {
     .get_workspaces()
     .await
     .unwrap()
-    .0
     .first()
     .unwrap()
     .workspace_id;
@@ -66,7 +64,6 @@ async fn test_workspace_rename_and_icon_change() {
 
     let workspaces = c.get_workspaces().await.expect("Failed to get workspaces");
     let actual_new_name = &workspaces
-      .0
       .first()
       .expect("No workspace found")
       .workspace_name;
@@ -83,7 +80,6 @@ async fn test_workspace_rename_and_icon_change() {
     .expect("Failed to rename workspace");
     let workspaces = c.get_workspaces().await.expect("Failed to get workspaces");
     let actual_new_name = &workspaces
-      .0
       .first()
       .expect("No workspace found")
       .workspace_name;
@@ -98,7 +94,7 @@ async fn test_workspace_rename_and_icon_change() {
     .await
     .expect("Failed to change icon");
     let workspaces = c.get_workspaces().await.expect("Failed to get workspaces");
-    let icon = &workspaces.0.first().expect("No workspace found").icon;
+    let icon = &workspaces.first().expect("No workspace found").icon;
     assert_eq!(icon, "icon123");
   }
   {
@@ -110,7 +106,7 @@ async fn test_workspace_rename_and_icon_change() {
     .await
     .expect("Failed to change icon");
     let workspaces = c.get_workspaces().await.expect("Failed to get workspaces");
-    let workspace = workspaces.0.first().expect("No workspace found");
+    let workspace = workspaces.first().expect("No workspace found");
 
     let icon = workspace.icon.as_str();
     let name = workspace.workspace_name.as_str();
diff --git a/tests/workspace/workspace_settings.rs b/tests/workspace/workspace_settings.rs
index 4166cdee..47e6ef19 100644
--- a/tests/workspace/workspace_settings.rs
+++ b/tests/workspace/workspace_settings.rs
@@ -8,7 +8,7 @@ use uuid::Uuid;
 #[tokio::test]
 async fn get_and_set_workspace_by_owner() {
   let (c, _user) = generate_unique_registered_user_client().await;
-  let workspaces = c.get_workspaces().await.unwrap().0;
+  let workspaces = c.get_workspaces().await.unwrap();
   let workspace_id = workspaces.first().unwrap().workspace_id.to_string();
 
   let mut settings = c.get_workspace_settings(&workspace_id).await.unwrap();
@@ -32,7 +32,7 @@ async fn get_and_set_workspace_by_owner() {
 #[tokio::test]
 async fn get_and_set_workspace_by_non_owner() {
   let (alice_client, _alice) = generate_unique_registered_user_client().await;
-  let workspaces = alice_client.get_workspaces().await.unwrap().0;
+  let workspaces = alice_client.get_workspaces().await.unwrap();
   let alice_workspace_id = workspaces.first().unwrap().workspace_id;
 
   let (bob_client, bob) = generate_unique_registered_user_client().await;