diff --git a/.env.dist b/.env.dist
index ffed0a5..1c6febe 100644
--- a/.env.dist
+++ b/.env.dist
@@ -3,3 +3,4 @@ ETHERSCAN_API_KEY=
 DEFAULT_FEE=2800
 GOERLI_RPC_URL=https://ethereum-goerli.publicnode.com
 HOLESKY_RPC_URL=https://ethereum-holesky.publicnode.com
+MAINNET_RPC_URL=https://eth.llamarpc.com
diff --git a/foundry.toml b/foundry.toml
index dce38e2..319617f 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -8,6 +8,7 @@ libs = ["lib"]
 [rpc_endpoints]
 goerli = "${GOERLI_RPC_URL}"
 holesky = "${HOLESKY_RPC_URL}"
+mainnet = "${MAINNET_RPC_URL}"
 
 [etherscan]
 all_chains = { key = "${ETHERSCAN_API_KEY}" }
diff --git a/script/ChangeDefaultFee.s.sol b/script/ChangeDefaultFee.s.sol
new file mode 100644
index 0000000..75006be
--- /dev/null
+++ b/script/ChangeDefaultFee.s.sol
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: Apache License 2.0
+pragma solidity ^0.8.13;
+
+import "forge-std/Script.sol";
+import "../src/FeeRewardsManager.sol";
+
+contract ChangeFee is Script {
+    function run() external {
+        FeeRewardsManager feeRewardsManager = FeeRewardsManager(
+            FeeRewardsManager(
+                payable(address(vm.envAddress("FEE_REWARDS_MANAGER")))
+            )
+        );
+        vm.startBroadcast();
+        feeRewardsManager.changeDefaultFee(uint32(vm.envUint("NEW_FEE")));
+        vm.stopBroadcast();
+    }
+}
diff --git a/script/DeployCollector.s.sol b/script/DeployCollector.s.sol
new file mode 100644
index 0000000..4ea79a7
--- /dev/null
+++ b/script/DeployCollector.s.sol
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: Apache License 2.0
+pragma solidity ^0.8.13;
+
+import "forge-std/Script.sol";
+import "../src/FeeRewardsManager.sol";
+
+contract DeployCollector is Script {
+    function run() external {
+        vm.startBroadcast();
+        FeeRewardsManager feeRewardsManager = FeeRewardsManager(
+            FeeRewardsManager(
+                payable(address(vm.envAddress("FEE_REWARDS_MANAGER")))
+            )
+        );
+        feeRewardsManager.createFeeContract(
+            vm.envAddress("WITHDRAWAL_CREDENTIAL")
+        );
+        vm.stopBroadcast();
+    }
+}
diff --git a/script/DisplayCollectorContract.s.sol b/script/DisplayCollectorContract.s.sol
new file mode 100644
index 0000000..a9dc53f
--- /dev/null
+++ b/script/DisplayCollectorContract.s.sol
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: Apache License 2.0
+pragma solidity ^0.8.13;
+
+import "forge-std/Script.sol";
+import "../src/FeeRewardsManager.sol";
+import "forge-std/console.sol";
+
+contract DisplayCollector is Script {
+    function run() external {
+        FeeRewardsManager feeRewardsManager = FeeRewardsManager(
+            FeeRewardsManager(
+                payable(address(vm.envAddress("FEE_REWARDS_MANAGER")))
+            )
+        );
+        address addr = feeRewardsManager.predictFeeContractAddress(
+            vm.envAddress("WITHDRAWAL_CREDENTIAL")
+        );
+        console.log(addr);
+    }
+}