diff --git a/packages/core/accounts/index.ts b/packages/core/accounts/index.ts
index 7e719922..ee787b43 100644
--- a/packages/core/accounts/index.ts
+++ b/packages/core/accounts/index.ts
@@ -13,3 +13,7 @@ export { KernelFactoryV2Abi } from "./kernel/v2/abi/KernelFactoryV2Abi.js"
 export { EIP1271Abi } from "./kernel/abi/EIP1271Abi.js"
 export { addressToEmptyAccount } from "./addressToEmptyAccount.js"
 export * from "./utils/index.js"
+export { accountMetadata } from "./kernel/utils/common/accountMetadata.js"
+export { getActionSelector } from "./kernel/utils/common/getActionSelector.js"
+export { getPluginsEnableTypedData } from "./kernel/utils/plugins/ep0_7/getPluginsEnableTypedData.js"
+export { getKernelV3Nonce } from "./kernel/utils/account/ep0_7/getKernelV3Nonce.js"
diff --git a/packages/core/index.ts b/packages/core/index.ts
index 1f995f8c..1e0116df 100644
--- a/packages/core/index.ts
+++ b/packages/core/index.ts
@@ -6,7 +6,11 @@ export {
     type KernelSmartAccount,
     KERNEL_ADDRESSES,
     addressToEmptyAccount,
-    EIP1271Abi
+    EIP1271Abi,
+    getKernelV3Nonce,
+    accountMetadata,
+    getActionSelector,
+    getPluginsEnableTypedData
 } from "./accounts/index.js"
 export {
     sponsorUserOperation,
diff --git a/plugins/permission/signers/toEmptyECDSASigner.ts b/plugins/permission/signers/toEmptyECDSASigner.ts
index 8ae92b6e..a36c379e 100644
--- a/plugins/permission/signers/toEmptyECDSASigner.ts
+++ b/plugins/permission/signers/toEmptyECDSASigner.ts
@@ -5,7 +5,7 @@ import { toAccount } from "viem/accounts"
 import { ECDSA_SIGNER_CONTRACT } from "../constants.js"
 import type { ModularSigner } from "../types.js"
 
-export function toEmptyECDSASigner(address: Address): ModularSigner {
+export function toEmptyECDSASigner(address: Address, signerContractAddress: Address = ECDSA_SIGNER_CONTRACT): ModularSigner {
     const account = toAccount({
         address,
         async signMessage() {
@@ -25,7 +25,7 @@ export function toEmptyECDSASigner(address: Address): ModularSigner {
     })
     return {
         account,
-        signerContractAddress: ECDSA_SIGNER_CONTRACT,
+        signerContractAddress: signerContractAddress,
         getSignerData: () => {
             return address
         },