diff --git a/backend/canisters/local_user_index/CHANGELOG.md b/backend/canisters/local_user_index/CHANGELOG.md
index 6619d7a603..7fe5acf8e2 100644
--- a/backend/canisters/local_user_index/CHANGELOG.md
+++ b/backend/canisters/local_user_index/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+### Added
+
+- Add `is_oc_controlled_bot` to `GlobalUser` ([#6115](https://github.com/open-chat-labs/open-chat/pull/6115))
+
 ### Removed
 
 - Remove `Invited` gate ([#6112](https://github.com/open-chat-labs/open-chat/pull/6112))
diff --git a/backend/canisters/local_user_index/api/src/lib.rs b/backend/canisters/local_user_index/api/src/lib.rs
index 9c810a8bd6..94de3e53b0 100644
--- a/backend/canisters/local_user_index/api/src/lib.rs
+++ b/backend/canisters/local_user_index/api/src/lib.rs
@@ -72,7 +72,10 @@ pub struct UserRegistered {
     pub user_id: UserId,
     pub user_principal: Principal,
     pub username: String,
+    #[serde(default)]
     pub is_bot: bool,
+    #[serde(default)]
+    pub is_oc_controlled_bot: bool,
     pub referred_by: Option<UserId>,
 }
 
@@ -161,10 +164,14 @@ pub struct DeleteUser {
 pub struct GlobalUser {
     pub user_id: UserId,
     pub principal: Principal,
+    #[serde(default)]
     pub is_bot: bool,
+    #[serde(default)]
     pub is_platform_moderator: bool,
     pub diamond_membership_expires_at: Option<TimestampMillis>,
     pub unique_person_proof: Option<UniquePersonProof>,
+    #[serde(default)]
+    pub is_oc_controlled_bot: bool,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
diff --git a/backend/canisters/local_user_index/impl/src/model/global_user_map.rs b/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
index dcb69e1776..3ffa502020 100644
--- a/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
+++ b/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
@@ -11,16 +11,22 @@ pub struct GlobalUserMap {
     unique_person_proofs: HashMap<UserId, UniquePersonProof>,
     platform_moderators: HashSet<UserId>,
     bots: HashSet<UserId>,
+    #[serde(default)]
+    oc_controlled_bot_users: HashSet<UserId>,
     diamond_membership_expiry_dates: HashMap<UserId, TimestampMillis>,
 }
 
 impl GlobalUserMap {
-    pub fn add(&mut self, principal: Principal, user_id: UserId, is_bot: bool) {
+    pub fn add(&mut self, principal: Principal, user_id: UserId, is_bot: bool, is_oc_controlled_bot: bool) {
         self.user_id_to_principal.insert(user_id, principal);
         self.principal_to_user_id.insert(principal, user_id);
 
         if is_bot {
             self.bots.insert(user_id);
+
+            if is_oc_controlled_bot {
+                self.oc_controlled_bot_users.insert(user_id);
+            }
         }
     }
 
@@ -95,13 +101,16 @@ impl GlobalUserMap {
     }
 
     fn hydrate_user(&self, user_id: UserId, principal: Principal) -> GlobalUser {
+        let is_bot = self.bots.contains(&user_id);
+
         GlobalUser {
             user_id,
             principal,
-            is_bot: self.bots.contains(&user_id),
+            is_bot,
             is_platform_moderator: self.platform_moderators.contains(&user_id),
             diamond_membership_expires_at: self.diamond_membership_expiry_dates.get(&user_id).copied(),
             unique_person_proof: self.unique_person_proofs.get(&user_id).cloned(),
+            is_oc_controlled_bot: is_bot && self.oc_controlled_bot_users.contains(&user_id),
         }
     }
 }
diff --git a/backend/canisters/local_user_index/impl/src/updates/c2c_notify_user_index_events.rs b/backend/canisters/local_user_index/impl/src/updates/c2c_notify_user_index_events.rs
index 540badf4c4..81fa1f3a5d 100644
--- a/backend/canisters/local_user_index/impl/src/updates/c2c_notify_user_index_events.rs
+++ b/backend/canisters/local_user_index/impl/src/updates/c2c_notify_user_index_events.rs
@@ -73,7 +73,10 @@ fn handle_event(event: Event, state: &mut RuntimeState) {
             );
         }
         Event::UserRegistered(ev) => {
-            state.data.global_users.add(ev.user_principal, ev.user_id, ev.is_bot);
+            state
+                .data
+                .global_users
+                .add(ev.user_principal, ev.user_id, ev.is_bot, ev.is_oc_controlled_bot);
 
             if let Some(referred_by) = ev.referred_by {
                 if state.data.local_users.get(&referred_by).is_some() {
diff --git a/backend/canisters/local_user_index/impl/src/updates/register_user.rs b/backend/canisters/local_user_index/impl/src/updates/register_user.rs
index a284d60dc9..d0ad04b789 100644
--- a/backend/canisters/local_user_index/impl/src/updates/register_user.rs
+++ b/backend/canisters/local_user_index/impl/src/updates/register_user.rs
@@ -191,7 +191,7 @@ fn commit(
 ) {
     let now = state.env.now();
     state.data.local_users.add(user_id, principal, wasm_version, now);
-    state.data.global_users.add(principal, user_id, false);
+    state.data.global_users.add(principal, user_id, false, false);
 
     state.push_event_to_user_index(UserIndexEvent::UserRegistered(Box::new(UserRegistered {
         principal,
diff --git a/backend/canisters/user_index/CHANGELOG.md b/backend/canisters/user_index/CHANGELOG.md
index e74c90d788..57a993c3d8 100644
--- a/backend/canisters/user_index/CHANGELOG.md
+++ b/backend/canisters/user_index/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+### Changed
+
+- Set `is_oc_controlled_bot` to true when registering the ProposalsBot ([#6115](https://github.com/open-chat-labs/open-chat/pull/6115))
+
 ## [[2.0.1255](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.1255-user_index)] - 2024-07-25
 
 ### Added
diff --git a/backend/canisters/user_index/impl/src/lib.rs b/backend/canisters/user_index/impl/src/lib.rs
index 9bce3d45cb..5157c30a58 100644
--- a/backend/canisters/user_index/impl/src/lib.rs
+++ b/backend/canisters/user_index/impl/src/lib.rs
@@ -398,6 +398,7 @@ impl Data {
             0,
             None,
             true,
+            true,
         );
 
         data
diff --git a/backend/canisters/user_index/impl/src/model/user.rs b/backend/canisters/user_index/impl/src/model/user.rs
index e56731f7ac..b6894bdfa6 100644
--- a/backend/canisters/user_index/impl/src/model/user.rs
+++ b/backend/canisters/user_index/impl/src/model/user.rs
@@ -40,6 +40,8 @@ pub struct User {
     pub referred_by: Option<UserId>,
     #[serde(rename = "ib", default, skip_serializing_if = "is_default")]
     pub is_bot: bool,
+    #[serde(rename = "ocb", default, skip_serializing_if = "is_default")]
+    pub is_oc_controlled_bot: bool,
     #[serde(rename = "sd", default, skip_serializing_if = "Option::is_none")]
     pub suspension_details: Option<SuspensionDetails>,
     #[serde(
@@ -102,6 +104,7 @@ impl User {
         now: TimestampMillis,
         referred_by: Option<UserId>,
         is_bot: bool,
+        is_oc_controlled_bot: bool,
     ) -> User {
         #[allow(deprecated)]
         User {
@@ -119,6 +122,7 @@ impl User {
             phone_status: PhoneStatus::None,
             referred_by,
             is_bot,
+            is_oc_controlled_bot,
             suspension_details: None,
             diamond_membership_details: DiamondMembershipDetailsInternal::default(),
             moderation_flags_enabled: 0,
@@ -242,6 +246,7 @@ impl Default for User {
             phone_status: PhoneStatus::None,
             referred_by: None,
             is_bot: false,
+            is_oc_controlled_bot: false,
             suspension_details: None,
             diamond_membership_details: DiamondMembershipDetailsInternal::default(),
             moderation_flags_enabled: 0,
diff --git a/backend/canisters/user_index/impl/src/model/user_map.rs b/backend/canisters/user_index/impl/src/model/user_map.rs
index 40fe61a22b..a927c72e45 100644
--- a/backend/canisters/user_index/impl/src/model/user_map.rs
+++ b/backend/canisters/user_index/impl/src/model/user_map.rs
@@ -62,11 +62,12 @@ impl UserMap {
         now: TimestampMillis,
         referred_by: Option<UserId>,
         is_bot: bool,
+        is_oc_controlled_bot: bool,
     ) {
         self.username_to_user_id.insert(&username, user_id);
         self.principal_to_user_id.insert(principal, user_id);
 
-        let user = User::new(principal, user_id, username, now, referred_by, is_bot);
+        let user = User::new(principal, user_id, username, now, referred_by, is_bot, is_oc_controlled_bot);
         self.users.insert(user_id, user);
 
         if let Some(ref_by) = referred_by {
@@ -380,6 +381,7 @@ impl UserMap {
             user.date_created,
             None,
             false,
+            false,
         );
         self.update(user, date_created, false);
     }
@@ -451,9 +453,9 @@ mod tests {
         let user_id2: UserId = Principal::from_slice(&[3, 2]).into();
         let user_id3: UserId = Principal::from_slice(&[3, 3]).into();
 
-        user_map.register(principal1, user_id1, username1.clone(), 1, None, false);
-        user_map.register(principal2, user_id2, username2.clone(), 2, None, false);
-        user_map.register(principal3, user_id3, username3.clone(), 3, None, false);
+        user_map.register(principal1, user_id1, username1.clone(), 1, None, false, false);
+        user_map.register(principal2, user_id2, username2.clone(), 2, None, false, false);
+        user_map.register(principal3, user_id3, username3.clone(), 3, None, false, false);
 
         let principal_to_user_id: Vec<_> = user_map
             .principal_to_user_id
@@ -490,7 +492,7 @@ mod tests {
 
         let user_id = Principal::from_slice(&[1, 1]).into();
 
-        user_map.register(principal, user_id, username1, 1, None, false);
+        user_map.register(principal, user_id, username1, 1, None, false, false);
 
         if let Some(original) = user_map.get_by_principal(&principal) {
             let mut updated = original.clone();
diff --git a/backend/canisters/user_index/impl/src/updates/add_local_user_index_canister.rs b/backend/canisters/user_index/impl/src/updates/add_local_user_index_canister.rs
index 3b31f57167..45865b66cf 100644
--- a/backend/canisters/user_index/impl/src/updates/add_local_user_index_canister.rs
+++ b/backend/canisters/user_index/impl/src/updates/add_local_user_index_canister.rs
@@ -69,7 +69,7 @@ fn prepare(args: &Args, state: &RuntimeState) -> Result<PrepareResult, Response>
 
 fn commit(canister_id: CanisterId, wasm_version: BuildVersion, state: &mut RuntimeState) -> Response {
     if state.data.local_index_map.add_index(canister_id, wasm_version) {
-        // We need to initialize the new local user index with all of the existing users
+        // We need to initialize the new local user index with all the existing users
         for user in state.data.users.iter() {
             state.data.user_index_event_sync_queue.push(
                 canister_id,
@@ -78,6 +78,7 @@ fn commit(canister_id: CanisterId, wasm_version: BuildVersion, state: &mut Runti
                     user_principal: user.principal,
                     username: user.username.clone(),
                     is_bot: user.is_bot,
+                    is_oc_controlled_bot: user.is_oc_controlled_bot,
                     referred_by: user.referred_by,
                 }),
             )
diff --git a/backend/canisters/user_index/impl/src/updates/c2c_notify_events.rs b/backend/canisters/user_index/impl/src/updates/c2c_notify_events.rs
index 423a3d8255..0cd3819891 100644
--- a/backend/canisters/user_index/impl/src/updates/c2c_notify_events.rs
+++ b/backend/canisters/user_index/impl/src/updates/c2c_notify_events.rs
@@ -130,7 +130,7 @@ fn process_new_user(
     state
         .data
         .users
-        .register(caller, user_id, username.clone(), now, referred_by, false);
+        .register(caller, user_id, username.clone(), now, referred_by, false, false);
 
     state.data.local_index_map.add_user(local_user_index_canister_id, user_id);
 
@@ -140,6 +140,7 @@ fn process_new_user(
             user_principal: caller,
             username: username.clone(),
             is_bot: false,
+            is_oc_controlled_bot: false,
             referred_by,
         }),
         Some(local_user_index_canister_id),
diff --git a/backend/canisters/user_index/impl/src/updates/c2c_register_bot.rs b/backend/canisters/user_index/impl/src/updates/c2c_register_bot.rs
index bcfc2a8561..180d6873f5 100644
--- a/backend/canisters/user_index/impl/src/updates/c2c_register_bot.rs
+++ b/backend/canisters/user_index/impl/src/updates/c2c_register_bot.rs
@@ -48,7 +48,7 @@ fn c2c_register_bot_impl(args: Args, state: &mut RuntimeState) -> Response {
     state
         .data
         .users
-        .register(caller, user_id, args.username.clone(), now, None, true);
+        .register(caller, user_id, args.username.clone(), now, None, true, false);
 
     state.push_event_to_all_local_user_indexes(
         Event::UserRegistered(UserRegistered {
@@ -56,6 +56,7 @@ fn c2c_register_bot_impl(args: Args, state: &mut RuntimeState) -> Response {
             user_principal: caller,
             username: args.username,
             is_bot: true,
+            is_oc_controlled_bot: false,
             referred_by: None,
         }),
         None,