diff --git a/app/controllers/discourse_ai/ai_helper/assistant_controller.rb b/app/controllers/discourse_ai/ai_helper/assistant_controller.rb
index c3e08f4c..76a3b3b2 100644
--- a/app/controllers/discourse_ai/ai_helper/assistant_controller.rb
+++ b/app/controllers/discourse_ai/ai_helper/assistant_controller.rb
@@ -8,17 +8,6 @@ module DiscourseAi
       before_action :ensure_can_request_suggestions
       before_action :rate_limiter_performed!, except: %i[prompts]
 
-      def prompts
-        name_filter = params[:name_filter]
-
-        render json:
-                 ActiveModel::ArraySerializer.new(
-                   DiscourseAi::AiHelper::Assistant.new.available_prompts(name_filter: name_filter),
-                   root: false,
-                 ),
-               status: 200
-      end
-
       def suggest
         input = get_text_param!
 
diff --git a/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js b/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js
index 2b4a3fd9..07a32f03 100644
--- a/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js
+++ b/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js
@@ -19,7 +19,6 @@ export default class AiHelperContextMenu extends Component {
   @service siteSettings;
   @service modal;
   @service capabilities;
-  @tracked helperOptions = [];
   @tracked showContextMenu = false;
   @tracked caretCoords;
   @tracked virtualElement;
@@ -56,15 +55,6 @@ export default class AiHelperContextMenu extends Component {
   @tracked _contextMenu;
   @tracked _activeAIRequest = null;
 
-  constructor() {
-    super(...arguments);
-
-    // Fetch prompts only if it hasn't been fetched yet
-    if (this.helperOptions.length === 0) {
-      this.loadPrompts();
-    }
-  }
-
   willDestroy() {
     super.willDestroy(...arguments);
     document.removeEventListener("selectionchange", this.selectionChanged);
@@ -81,8 +71,8 @@ export default class AiHelperContextMenu extends Component {
     this._menuState = newState;
   }
 
-  async loadPrompts() {
-    let prompts = await ajax("/discourse-ai/ai-helper/prompts");
+  get helperOptions() {
+    let prompts = this.currentUser?.ai_helper_prompts;
 
     prompts = prompts
       .filter((p) => p.location.includes("composer"))
@@ -109,7 +99,7 @@ export default class AiHelperContextMenu extends Component {
       memo[p.name] = p.prompt_type;
       return memo;
     }, {});
-    this.helperOptions = prompts;
+    return prompts;
   }
 
   @bind
@@ -338,10 +328,6 @@ export default class AiHelperContextMenu extends Component {
 
   @action
   toggleAiHelperOptions() {
-    // Fetch prompts only if it hasn't been fetched yet
-    if (this.helperOptions.length === 0) {
-      this.loadPrompts();
-    }
     this.menuState = this.CONTEXT_MENU_STATES.options;
   }
 
diff --git a/assets/javascripts/discourse/connectors/fast-edit-footer-after/ai-edit-suggestion-button.gjs b/assets/javascripts/discourse/connectors/fast-edit-footer-after/ai-edit-suggestion-button.gjs
index 1531d310..c09bd43f 100644
--- a/assets/javascripts/discourse/connectors/fast-edit-footer-after/ai-edit-suggestion-button.gjs
+++ b/assets/javascripts/discourse/connectors/fast-edit-footer-after/ai-edit-suggestion-button.gjs
@@ -1,6 +1,7 @@
 import Component from "@glimmer/component";
 import { tracked } from "@glimmer/tracking";
 import { action } from "@ember/object";
+import { inject as service } from "@ember/service";
 import DButton from "discourse/components/d-button";
 import { ajax } from "discourse/lib/ajax";
 import { popupAjaxError } from "discourse/lib/ajax-error";
@@ -11,31 +12,19 @@ export default class AiEditSuggestionButton extends Component {
     return showPostAIHelper(outletArgs, helper);
   }
 
+  @service currentUser;
   @tracked loading = false;
   @tracked suggestion = "";
   @tracked _activeAIRequest = null;
 
-  constructor() {
-    super(...arguments);
-
-    if (!this.mode) {
-      this.loadMode();
-    }
-  }
-
   get disabled() {
     return this.loading || this.suggestion?.length > 0;
   }
 
-  async loadMode() {
-    let mode = await ajax("/discourse-ai/ai-helper/prompts", {
-      method: "GET",
-      data: {
-        name_filter: "proofread",
-      },
-    });
-
-    this.mode = mode[0];
+  get mode() {
+    return this.currentUser?.ai_helper_prompts.find(
+      (prompt) => prompt.name === "proofread"
+    );
   }
 
   @action
diff --git a/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs b/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
index 4e35bb2f..d00fa780 100644
--- a/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
+++ b/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
@@ -31,7 +31,6 @@ export default class AIHelperOptionsMenu extends Component {
   @service currentUser;
   @service menu;
 
-  @tracked helperOptions = [];
   @tracked menuState = this.MENU_STATES.triggers;
   @tracked loading = false;
   @tracked suggestion = "";
@@ -51,14 +50,6 @@ export default class AIHelperOptionsMenu extends Component {
 
   @tracked _activeAIRequest = null;
 
-  constructor() {
-    super(...arguments);
-
-    if (this.helperOptions.length === 0) {
-      this.loadPrompts();
-    }
-  }
-
   @action
   async showAIHelperOptions() {
     this.showMainButtons = false;
@@ -168,8 +159,8 @@ export default class AIHelperOptionsMenu extends Component {
     }
   }
 
-  async loadPrompts() {
-    let prompts = await ajax("/discourse-ai/ai-helper/prompts");
+  get helperOptions() {
+    let prompts = this.currentUser?.ai_helper_prompts;
 
     prompts = prompts.filter((item) => item.location.includes("post"));
 
@@ -191,7 +182,7 @@ export default class AIHelperOptionsMenu extends Component {
       prompts = prompts.filter((p) => p.name !== "proofread");
     }
 
-    this.helperOptions = prompts;
+    return prompts;
   }
 
   _showUserCustomPrompts() {
diff --git a/config/routes.rb b/config/routes.rb
index 54d6820f..d91bc4d3 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -2,7 +2,6 @@
 
 DiscourseAi::Engine.routes.draw do
   scope module: :ai_helper, path: "/ai-helper", defaults: { format: :json } do
-    get "prompts" => "assistant#prompts"
     post "suggest" => "assistant#suggest"
     post "suggest_title" => "assistant#suggest_title"
     post "suggest_category" => "assistant#suggest_category"
diff --git a/lib/ai_helper/assistant.rb b/lib/ai_helper/assistant.rb
index 0c4078b5..4fa8efe4 100644
--- a/lib/ai_helper/assistant.rb
+++ b/lib/ai_helper/assistant.rb
@@ -3,35 +3,37 @@
 module DiscourseAi
   module AiHelper
     class Assistant
-      def available_prompts(name_filter: nil)
-        cp = CompletionPrompt
-        prompts = []
+      AI_HELPER_PROMPTS_CACHE_KEY = "ai_helper_prompts"
 
-        if name_filter
-          prompts = [cp.enabled_by_name(name_filter)]
-        else
-          prompts = cp.where(enabled: true)
-          # Hide illustrate_post if disabled
-          prompts =
-            prompts.where.not(
-              name: "illustrate_post",
-            ) if SiteSetting.ai_helper_illustrate_post_model == "disabled"
-        end
+      def available_prompts
+        Discourse
+          .cache
+          .fetch(AI_HELPER_PROMPTS_CACHE_KEY) do
+            prompts = CompletionPrompt.where(enabled: true)
 
-        prompts.map do |prompt|
-          translation =
-            I18n.t("discourse_ai.ai_helper.prompts.#{prompt.name}", default: nil) ||
-              prompt.translated_name || prompt.name
+            # Hide illustrate_post if disabled
+            prompts =
+              prompts.where.not(
+                name: "illustrate_post",
+              ) if SiteSetting.ai_helper_illustrate_post_model == "disabled"
 
-          {
-            id: prompt.id,
-            name: prompt.name,
-            translated_name: translation,
-            prompt_type: prompt.prompt_type,
-            icon: icon_map(prompt.name),
-            location: location_map(prompt.name),
-          }
-        end
+            prompts =
+              prompts.map do |prompt|
+                translation =
+                  I18n.t("discourse_ai.ai_helper.prompts.#{prompt.name}", default: nil) ||
+                    prompt.translated_name || prompt.name
+
+                {
+                  id: prompt.id,
+                  name: prompt.name,
+                  translated_name: translation,
+                  prompt_type: prompt.prompt_type,
+                  icon: icon_map(prompt.name),
+                  location: location_map(prompt.name),
+                }
+              end
+            prompts
+          end
       end
 
       def generate_prompt(completion_prompt, input, user, &block)
diff --git a/lib/ai_helper/entry_point.rb b/lib/ai_helper/entry_point.rb
index 87ebca24..840d2b55 100644
--- a/lib/ai_helper/entry_point.rb
+++ b/lib/ai_helper/entry_point.rb
@@ -19,6 +19,20 @@ module DiscourseAi
             thread_id: thread.id,
           )
         end
+
+        plugin.add_to_serializer(
+          :current_user,
+          :ai_helper_prompts,
+          include_condition: -> do
+            SiteSetting.composer_ai_helper_enabled && scope.authenticated? &&
+              scope.user.in_any_groups?(SiteSetting.ai_helper_allowed_groups_map)
+          end,
+        ) do
+          ActiveModel::ArraySerializer.new(
+            DiscourseAi::AiHelper::Assistant.new.available_prompts,
+            root: false,
+          )
+        end
       end
     end
   end
diff --git a/spec/lib/modules/ai_helper/assistant_spec.rb b/spec/lib/modules/ai_helper/assistant_spec.rb
index 875ae6a9..c7e59c96 100644
--- a/spec/lib/modules/ai_helper/assistant_spec.rb
+++ b/spec/lib/modules/ai_helper/assistant_spec.rb
@@ -13,33 +13,30 @@ RSpec.describe DiscourseAi::AiHelper::Assistant do
   STRING
 
   describe("#available_prompts") do
-    context "when no name filter is provided" do
-      it "returns all available prompts" do
-        prompts = subject.available_prompts
-
-        expect(prompts.length).to eq(6)
-        expect(prompts.map { |p| p[:name] }).to contain_exactly(
-          "translate",
-          "generate_titles",
-          "proofread",
-          "markdown_table",
-          "custom_prompt",
-          "explain",
-        )
-      end
+    before do
+      SiteSetting.ai_helper_illustrate_post_model = "disabled"
+      Discourse.cache.delete(DiscourseAi::AiHelper::Assistant::AI_HELPER_PROMPTS_CACHE_KEY)
     end
 
-    context "when name filter is provided" do
-      it "returns the prompt with the given name" do
-        prompts = subject.available_prompts(name_filter: "translate")
+    it "returns all available prompts" do
+      prompts = subject.available_prompts
 
-        expect(prompts.length).to eq(1)
-        expect(prompts.first[:name]).to eq("translate")
-      end
+      expect(prompts.length).to eq(6)
+      expect(prompts.map { |p| p[:name] }).to contain_exactly(
+        "translate",
+        "generate_titles",
+        "proofread",
+        "markdown_table",
+        "custom_prompt",
+        "explain",
+      )
     end
 
     context "when illustrate post model is enabled" do
-      before { SiteSetting.ai_helper_illustrate_post_model = "stable_diffusion_xl" }
+      before do
+        SiteSetting.ai_helper_illustrate_post_model = "stable_diffusion_xl"
+        Discourse.cache.delete(DiscourseAi::AiHelper::Assistant::AI_HELPER_PROMPTS_CACHE_KEY)
+      end
 
       it "returns the illustrate_post prompt in the list of all prompts" do
         prompts = subject.available_prompts
diff --git a/spec/plugin_spec.rb b/spec/plugin_spec.rb
index e50230a8..4cb0240d 100644
--- a/spec/plugin_spec.rb
+++ b/spec/plugin_spec.rb
@@ -23,4 +23,22 @@ describe Plugin::Instance do
       expect(accuracy.flags_agreed).to eq(1)
     end
   end
+
+  describe "current_user_serializer#ai_helper_prompts" do
+    fab!(:user)
+
+    before do
+      SiteSetting.ai_helper_model = "fake:fake"
+      SiteSetting.composer_ai_helper_enabled = true
+      SiteSetting.ai_helper_illustrate_post_model = "disabled"
+      Group.find_by(id: Group::AUTO_GROUPS[:admins]).add(user)
+    end
+
+    let(:serializer) { CurrentUserSerializer.new(user, scope: Guardian.new(user)) }
+
+    it "returns the available prompts" do
+      expect(serializer.ai_helper_prompts).to be_present
+      expect(serializer.ai_helper_prompts.object.count).to eq(6)
+    end
+  end
 end
diff --git a/spec/requests/ai_helper/assistant_controller_spec.rb b/spec/requests/ai_helper/assistant_controller_spec.rb
index 5902ba1b..8b262856 100644
--- a/spec/requests/ai_helper/assistant_controller_spec.rb
+++ b/spec/requests/ai_helper/assistant_controller_spec.rb
@@ -107,51 +107,4 @@ RSpec.describe DiscourseAi::AiHelper::AssistantController do
       end
     end
   end
-
-  describe "#prompts" do
-    context "when not logged in" do
-      it "returns a 403 response" do
-        get "/discourse-ai/ai-helper/prompts"
-        expect(response.status).to eq(403)
-      end
-    end
-
-    context "when logged in as a user without enough privileges" do
-      fab!(:user) { Fabricate(:newuser) }
-
-      before do
-        sign_in(user)
-        SiteSetting.ai_helper_allowed_groups = Group::AUTO_GROUPS[:staff]
-      end
-
-      it "returns a 403 response" do
-        get "/discourse-ai/ai-helper/prompts"
-        expect(response.status).to eq(403)
-      end
-    end
-
-    context "when logged in as an allowed user" do
-      fab!(:user) { Fabricate(:user) }
-
-      before do
-        sign_in(user)
-        user.group_ids = [Group::AUTO_GROUPS[:trust_level_1]]
-        SiteSetting.ai_helper_allowed_groups = Group::AUTO_GROUPS[:trust_level_1]
-        SiteSetting.ai_helper_illustrate_post_model = "stable_diffusion_xl"
-      end
-
-      it "returns a list of prompts when no name_filter is provided" do
-        get "/discourse-ai/ai-helper/prompts"
-        expect(response.status).to eq(200)
-        expect(response.parsed_body.length).to eq(7)
-      end
-
-      it "returns a list with with filtered prompts when name_filter is provided" do
-        get "/discourse-ai/ai-helper/prompts", params: { name_filter: "proofread" }
-        expect(response.status).to eq(200)
-        expect(response.parsed_body.length).to eq(1)
-        expect(response.parsed_body.first["name"]).to eq("proofread")
-      end
-    end
-  end
 end