diff --git a/packages/@magic-ext/smart-account/package.json b/packages/@magic-ext/smart-account/package.json
new file mode 100644
index 000000000..49fb0a4b4
--- /dev/null
+++ b/packages/@magic-ext/smart-account/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "@magic-ext/smart-account",
+  "version": "0.1.0",
+  "description": "Magic smart account extension for AA support via Rhinestone",
+  "author": "Magic <team@magic.link> (https://magic.link/)",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/magiclabs/magic-js"
+  },
+  "files": [
+    "dist"
+  ],
+  "target": "neutral",
+  "cdnGlobalName": "MagicSmartAccountExtension",
+  "main": "./dist/cjs/index.js",
+  "module": "./dist/es/index.js",
+  "types": "./dist/types/index.d.ts",
+  "jsdelivr": "./dist/extension.js",
+  "exports": {
+    "import": "./dist/es/index.mjs",
+    "types": "./dist/types/index.d.ts",
+    "require": "./dist/cjs/index.js"
+  },
+  "externals": {
+    "include": [
+      "@magic-sdk/provider",
+      "@magic-sdk/types"
+    ]
+  },
+  "devDependencies": {
+    "@magic-sdk/provider": "^33.4.0",
+    "@magic-sdk/types": "^27.4.0"
+  }
+}
diff --git a/packages/@magic-ext/smart-account/src/index.cdn.ts b/packages/@magic-ext/smart-account/src/index.cdn.ts
new file mode 100644
index 000000000..e63555188
--- /dev/null
+++ b/packages/@magic-ext/smart-account/src/index.cdn.ts
@@ -0,0 +1,3 @@
+import { SmartAccountExtension } from './index';
+
+export default SmartAccountExtension;
diff --git a/packages/@magic-ext/smart-account/src/index.native.ts b/packages/@magic-ext/smart-account/src/index.native.ts
new file mode 100644
index 000000000..ea465c2a3
--- /dev/null
+++ b/packages/@magic-ext/smart-account/src/index.native.ts
@@ -0,0 +1 @@
+export * from './index';
diff --git a/packages/@magic-ext/smart-account/src/index.ts b/packages/@magic-ext/smart-account/src/index.ts
new file mode 100644
index 000000000..71c8676ae
--- /dev/null
+++ b/packages/@magic-ext/smart-account/src/index.ts
@@ -0,0 +1,29 @@
+import { Extension } from '@magic-sdk/provider';
+import {
+  SmartAccountPayloadMethod,
+  SmartAccountDelegateParams,
+  SmartAccountDelegateResponse,
+  SmartAccountSendTransactionParams,
+  SmartAccountSendTransactionResponse,
+} from './types';
+
+export class SmartAccountExtension extends Extension.Internal<'smartAccount'> {
+  name = 'smartAccount' as const;
+  config = {};
+
+  constructor() {
+    super();
+  }
+
+  public delegate(params?: SmartAccountDelegateParams): Promise<SmartAccountDelegateResponse> {
+    const requestPayload = this.utils.createJsonRpcRequestPayload(SmartAccountPayloadMethod.Delegate, [params]);
+    return this.request<SmartAccountDelegateResponse>(requestPayload);
+  }
+
+  public sendTransaction(params: SmartAccountSendTransactionParams): Promise<SmartAccountSendTransactionResponse> {
+    const requestPayload = this.utils.createJsonRpcRequestPayload(SmartAccountPayloadMethod.SendTransaction, [params]);
+    return this.request<SmartAccountSendTransactionResponse>(requestPayload);
+  }
+}
+
+export * from './types';
diff --git a/packages/@magic-ext/smart-account/src/types.ts b/packages/@magic-ext/smart-account/src/types.ts
new file mode 100644
index 000000000..d6a36708a
--- /dev/null
+++ b/packages/@magic-ext/smart-account/src/types.ts
@@ -0,0 +1,41 @@
+export enum SmartAccountPayloadMethod {
+  Delegate = 'magic_smart_account_delegate',
+  SendTransaction = 'magic_smart_account_send_transaction',
+}
+
+export interface SmartAccountDelegateParams {
+  chainId?: number;
+  sponsored?: boolean;
+}
+
+export interface SmartAccountDelegateResponse {
+  smartAccountAddress: string;
+  isDeployed: boolean;
+  eoaAddress: string;
+}
+
+export interface SmartAccountCallInput {
+  to: string;
+  data?: string;
+  value?: string;
+}
+
+export interface SmartAccountTokenRequest {
+  address: string;
+  amount?: string;
+}
+
+export interface SmartAccountSendTransactionParams {
+  chainId: number;
+  calls: SmartAccountCallInput[];
+  sourceChainIds?: number[];
+  tokenRequests?: SmartAccountTokenRequest[];
+  sponsored?: boolean;
+}
+
+export interface SmartAccountSendTransactionResponse {
+  intentId: string;
+  fillHash: string | undefined;
+  claimHashes: string[];
+  targetChainId: number;
+}
diff --git a/packages/@magic-ext/smart-account/tsconfig.json b/packages/@magic-ext/smart-account/tsconfig.json
new file mode 100644
index 000000000..5981f3c2e
--- /dev/null
+++ b/packages/@magic-ext/smart-account/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../../tsconfig.settings.json"
+}
diff --git a/yarn.lock b/yarn.lock
index 7ad20b526..9b8240157 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3505,6 +3505,15 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@magic-ext/smart-account@workspace:packages/@magic-ext/smart-account":
+  version: 0.0.0-use.local
+  resolution: "@magic-ext/smart-account@workspace:packages/@magic-ext/smart-account"
+  dependencies:
+    "@magic-sdk/provider": ^33.4.0
+    "@magic-sdk/types": ^27.4.0
+  languageName: unknown
+  linkType: soft
+
 "@magic-ext/solana@workspace:packages/@magic-ext/solana":
   version: 0.0.0-use.local
   resolution: "@magic-ext/solana@workspace:packages/@magic-ext/solana"