diff --git a/README.md b/README.md
index b7f0b6312..e6d1ad4cc 100644
--- a/README.md
+++ b/README.md
@@ -193,7 +193,53 @@ https://github.com/user-attachments/assets/c142c43f-2fe9-4030-8196-b3bfd4c6977d
   https://github.com/user-attachments/assets/5696a89d-4a47-4fcc-9e8c-71e1264943f2
 </details>
 
-### Node developers API
+### Developer APIs
+
+<details>
+  <summary>v1.3.22: New settings API</summary>
+
+Legacy settings API.
+
+```js
+// Register a new setting
+app.ui.settings.addSetting({
+  id: 'TestSetting',
+  name: 'Test Setting',
+  type: 'text',
+  defaultValue: 'Hello, world!'
+})
+
+// Get the value of a setting
+const value = app.ui.settings.getSettingValue('TestSetting')
+
+// Set the value of a setting
+app.ui.settings.setSettingValue('TestSetting', 'Hello, universe!')
+```
+
+New settings API.
+
+```js
+// Register a new setting
+app.registerExtension({
+  name: 'TestExtension1',
+  settings: [
+    {
+      id: 'TestSetting',
+      name: 'Test Setting',
+      type: 'text',
+      defaultValue: 'Hello, world!'
+    }
+  ]
+})
+
+// Get the value of a setting
+const value = app.extensionManager.setting.get('TestSetting')
+
+// Set the value of a setting
+app.extensionManager.setting.set('TestSetting', 'Hello, universe!')
+```
+
+</details>
 
 <details>
   <summary>v1.3.7: Register commands and keybindings</summary>
diff --git a/browser_tests/ComfyPage.ts b/browser_tests/ComfyPage.ts
index 7c4d13644..b4f92d669 100644
--- a/browser_tests/ComfyPage.ts
+++ b/browser_tests/ComfyPage.ts
@@ -528,7 +528,7 @@ export class ComfyPage {
   async setSetting(settingId: string, settingValue: any) {
     return await this.page.evaluate(
       async ({ id, value }) => {
-        await window['app'].ui.settings.setSettingValueAsync(id, value)
+        await window['app'].extensionManager.setting.set(id, value)
       },
       { id: settingId, value: settingValue }
     )
@@ -536,7 +536,7 @@ export class ComfyPage {
 
   async getSetting(settingId: string) {
     return await this.page.evaluate(async (id) => {
-      return await window['app'].ui.settings.getSettingValue(id)
+      return await window['app'].extensionManager.setting.get(id)
     }, settingId)
   }
 
diff --git a/browser_tests/extensionAPI.spec.ts b/browser_tests/extensionAPI.spec.ts
index 4c028ab60..ff7977210 100644
--- a/browser_tests/extensionAPI.spec.ts
+++ b/browser_tests/extensionAPI.spec.ts
@@ -83,4 +83,23 @@ test.describe('Topbar commands', () => {
       true
     )
   })
+
+  test('Should allow adding settings', async ({ comfyPage }) => {
+    await comfyPage.page.evaluate(() => {
+      window['app'].registerExtension({
+        name: 'TestExtension1',
+        settings: [
+          {
+            id: 'TestSetting',
+            name: 'Test Setting',
+            type: 'text',
+            defaultValue: 'Hello, world!'
+          }
+        ]
+      })
+    })
+    expect(await comfyPage.getSetting('TestSetting')).toBe('Hello, world!')
+    await comfyPage.setSetting('TestSetting', 'Hello, universe!')
+    expect(await comfyPage.getSetting('TestSetting')).toBe('Hello, universe!')
+  })
 })
diff --git a/src/scripts/ui/settings.ts b/src/scripts/ui/settings.ts
index 5cade7b5b..8121f474b 100644
--- a/src/scripts/ui/settings.ts
+++ b/src/scripts/ui/settings.ts
@@ -169,6 +169,23 @@ export class ComfySettingsDialog extends ComfyDialog<HTMLDialogElement> {
     this.#dispatchChange(id, value)
   }
 
+  /**
+   * Deprecated for external callers/extensions. Use `ComfyExtension.settings` field instead.
+   * Example:
+   * ```ts
+   * app.registerExtension({
+   *   name: 'My Extension',
+   *   settings: [
+   *     {
+   *       id: 'My.Setting',
+   *       name: 'My Setting',
+   *       type: 'text',
+   *       defaultValue: 'Hello, world!'
+   *     }
+   *   ]
+   * })
+   * ```
+   */
   addSetting(params: SettingParams) {
     const {
       id,
diff --git a/src/stores/extensionStore.ts b/src/stores/extensionStore.ts
index 440c3147d..dc02284f4 100644
--- a/src/stores/extensionStore.ts
+++ b/src/stores/extensionStore.ts
@@ -47,6 +47,7 @@ export const useExtensionStore = defineStore('extension', () => {
     useKeybindingStore().loadExtensionKeybindings(extension)
     useCommandStore().loadExtensionCommands(extension)
     useMenuItemStore().loadExtensionMenuCommands(extension)
+    useSettingStore().loadExtensionSettings(extension)
 
     /*
      * Extensions are currently stored in both extensionStore and app.extensions.
diff --git a/src/stores/settingStore.ts b/src/stores/settingStore.ts
index c44957937..220271233 100644
--- a/src/stores/settingStore.ts
+++ b/src/stores/settingStore.ts
@@ -16,6 +16,7 @@ import { buildTree } from '@/utils/treeUtil'
 import { defineStore } from 'pinia'
 import type { TreeNode } from 'primevue/treenode'
 import { CORE_SETTINGS } from '@/stores/coreSettings'
+import { ComfyExtension } from '@/types/comfy'
 
 export interface SettingTreeNode extends TreeNode {
   data?: SettingParams
@@ -68,6 +69,12 @@ export const useSettingStore = defineStore('setting', {
       })
     },
 
+    loadExtensionSettings(extension: ComfyExtension) {
+      extension.settings?.forEach((setting: SettingParams) => {
+        app.ui.settings.addSetting(setting)
+      })
+    },
+
     async set<K extends keyof Settings>(key: K, value: Settings[K]) {
       this.settingValues[key] = value
       await app.ui.settings.setSettingValueAsync(key, value)
diff --git a/src/stores/workspaceStateStore.ts b/src/stores/workspaceStateStore.ts
index 07127fd5d..32683c831 100644
--- a/src/stores/workspaceStateStore.ts
+++ b/src/stores/workspaceStateStore.ts
@@ -4,6 +4,7 @@ import { useToastStore } from './toastStore'
 import { useQueueSettingsStore } from './queueStore'
 import { useCommandStore } from './commandStore'
 import { useSidebarTabStore } from './workspace/sidebarTabStore'
+import { useSettingStore } from './settingStore'
 
 interface WorkspaceState {
   spinner: boolean
@@ -30,6 +31,12 @@ export const useWorkspaceStore = defineStore('workspace', {
     },
     sidebarTab() {
       return useSidebarTabStore()
+    },
+    setting() {
+      return {
+        get: useSettingStore().get,
+        set: useSettingStore().set
+      }
     }
   },
   actions: {
diff --git a/src/types/comfy.d.ts b/src/types/comfy.d.ts
index ddec8d0e7..2e3b9c46b 100644
--- a/src/types/comfy.d.ts
+++ b/src/types/comfy.d.ts
@@ -3,6 +3,7 @@ import { ComfyApp } from '../scripts/app'
 import type { ComfyNodeDef } from '@/types/apiTypes'
 import type { Keybinding } from '@/types/keyBindingTypes'
 import type { ComfyCommand } from '@/stores/commandStore'
+import { SettingParams } from './settingTypes'
 
 export type Widgets = Record<
   string,
@@ -43,6 +44,10 @@ export interface ComfyExtension {
    * Menu commands to add to the menu bar
    */
   menuCommands?: MenuCommandGroup[]
+  /**
+   * Settings to add to the settings menu
+   */
+  settings?: SettingParams[]
   /**
    * Allows any initialisation, e.g. loading resources. Called after the canvas is created but before nodes are added
    * @param app The ComfyUI app instance
diff --git a/src/types/extensionTypes.ts b/src/types/extensionTypes.ts
index 1e71f6b11..5cfb393ab 100644
--- a/src/types/extensionTypes.ts
+++ b/src/types/extensionTypes.ts
@@ -37,9 +37,12 @@ export interface ExtensionManager {
   unregisterSidebarTab(id: string): void
   getSidebarTabs(): SidebarTabExtension[]
 
-  // Toast
   toast: ToastManager
   command: CommandManager
+  setting: {
+    get: (id: string) => any
+    set: (id: string, value: any) => void
+  }
 }
 
 export interface CommandManager {