diff --git a/makefile-external b/makefile-external
index 5b47c7c..81604fd 100644
--- a/makefile-external
+++ b/makefile-external
@@ -54,3 +54,12 @@ fct-vrf-cancel-subscription: fct-check-rpc-url
 	$(call check_set_parameter,RECEIVING_ADDRESS,receivingAddress) \
 	forge script ${FCT_PLUGIN_PATH}/script/vrf/VRF.CLI.s.sol --sig "cancelSubscription(address,uint64,address)" $$functionsRouterAddress $$subId $$receivingAddress --rpc-url ${RPC_URL} --broadcast --private-key ${PRIVATE_KEY} --out ${FCT_PLUGIN_PATH}/out
 
+# CCIP
+.PHONY: fcc-ccip-estimate-receive
+fcc-ccip-estimate-receive:
+	$(call check_set_parameter,DESTINATION_RPC_URL,destinationRpcUrl) \
+	$(call check_set_parameter,CCIP_ROUTER_ADDRESS,ccipReceiverAddress) \
+	$(call check_set_parameter,SOURCE_CHAIN_SELECTOR,sourceChainSelector) \
+	$(call check_set_parameter,CCIP_MESSAGE_SENDER,ccipMessageSender) \
+	$(call check_set_parameter,CCIP_MESSAGE_DATA,ccipMessageData) \
+	forge script ${FCT_PLUGIN_PATH}/script/ccip/CCIPReceiver.CLI.s.sol --sig "ccipReceive(address,uint64,address,bytes)" $$ccipReceiverAddress $$sourceChainSelector $$ccipMessageSender $$ccipMessageData --rpc-url $$destinationRpcUrl --out ${FCT_PLUGIN_PATH}/out
diff --git a/script/automation/Automation.CLI.s.sol b/script/automation/Automation.CLI.s.sol
index 6b2ec95..8630a4e 100644
--- a/script/automation/Automation.CLI.s.sol
+++ b/script/automation/Automation.CLI.s.sol
@@ -16,7 +16,7 @@ contract AutomationCLIScript is BaseScript {
     address upkeepAddress,
     uint32 gasLimit,
     bytes calldata checkData
-  ) nestedScriptContext public returns (bytes32 requestHash) {
+  ) nestedScriptContext external returns (bytes32 requestHash) {
     AutomationScript automationScript = new AutomationScript(keeperRegistryAddress);
     return automationScript.registerUpkeep(
       amountInJuels,
diff --git a/script/ccip/CCIPReceiver.CLI.s.sol b/script/ccip/CCIPReceiver.CLI.s.sol
new file mode 100644
index 0000000..86b11c4
--- /dev/null
+++ b/script/ccip/CCIPReceiver.CLI.s.sol
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "forge-std/Script.sol";
+
+import "./CCIPReceiver.s.sol";
+import "../helpers/BaseScript.s.sol";
+
+contract CCIPReceiverCLIScript is BaseScript {
+  function ccipReceive(
+    address ccipReceiverAddress,
+    uint64 sourceChainSelector,
+    address sender,
+    bytes memory data
+  ) external {
+    Client.EVMTokenAmount[] memory destTokenAmounts = new Client.EVMTokenAmount[](0);
+    CCIPReceiverScript ccipReceiverScript = new CCIPReceiverScript(ccipReceiverAddress);
+    Client.Any2EVMMessage memory message = Client.Any2EVMMessage({
+      messageId: bytes32(0),
+      sourceChainSelector: sourceChainSelector,
+      sender: abi.encode(sender),
+      data: data,
+      destTokenAmounts: destTokenAmounts
+    });
+    ccipReceiverScript.ccipReceive(message);
+  }
+}
diff --git a/script/ccip/CCIPReceiver.s.sol b/script/ccip/CCIPReceiver.s.sol
new file mode 100644
index 0000000..71c1575
--- /dev/null
+++ b/script/ccip/CCIPReceiver.s.sol
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "forge-std/Script.sol";
+
+import "../helpers/BaseScript.s.sol";
+import "src/interfaces/ccip/IAny2EVMMessageReceiver.sol";
+import "src/libraries/CCIPClient.sol";
+
+contract CCIPReceiverScript is BaseScript {
+  address public ccipReceiverAddress;
+
+  constructor (address _ccipReceiverAddress) {
+    ccipReceiverAddress = _ccipReceiverAddress;
+  }
+
+  function ccipReceive(
+    Client.Any2EVMMessage memory message
+  ) external {
+    IAny2EVMMessageReceiver ccipReceiver = IAny2EVMMessageReceiver(ccipReceiverAddress);
+    ccipReceiver.ccipReceive(message);
+  }
+}
diff --git a/script/ccip/CCIPRouter.CLI.s.sol b/script/ccip/CCIPRouter.CLI.s.sol
new file mode 100644
index 0000000..8675671
--- /dev/null
+++ b/script/ccip/CCIPRouter.CLI.s.sol
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "forge-std/Script.sol";
+
+import "./CCIPRouter.s.sol";
+import "../helpers/BaseScript.s.sol";
+import "src/libraries/CCIPClient.sol";
+
+contract CCIPRouterCLIScript is BaseScript {
+  function getFee(
+    address ccipRouterAddress,
+    uint64 destinationChainSelector,
+    Client.EVM2AnyMessage memory message
+  ) external returns (uint256 fee) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.getFee(destinationChainSelector, message);
+  }
+
+  function getSupportedTokens(
+    address ccipRouterAddress,
+    uint64 chainSelector
+  ) external returns (address[] memory) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.getSupportedTokens(chainSelector);
+  }
+
+  function isChainSupported(
+    address ccipRouterAddress,
+    uint64 chainSelector
+  ) external returns (bool) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.isChainSupported(chainSelector);
+  }
+
+  function getOnRamp(
+    address ccipRouterAddress,
+    uint64 destChainSelector
+  ) external returns (address) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.getOnRamp(destChainSelector);
+  }
+
+  function isOffRamp(
+    address ccipRouterAddress,
+    uint64 sourceChainSelector,
+    address offRamp
+  ) external returns (bool) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.isOffRamp(sourceChainSelector, offRamp);
+  }
+
+  function getWrappedNative(address ccipRouterAddress) external returns (address) {
+    CCIPRouterScript ccipRouterScript = new CCIPRouterScript(ccipRouterAddress);
+    return ccipRouterScript.getWrappedNative();
+  }
+}
diff --git a/script/ccip/CCIPRouter.s.sol b/script/ccip/CCIPRouter.s.sol
new file mode 100644
index 0000000..7021b79
--- /dev/null
+++ b/script/ccip/CCIPRouter.s.sol
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "forge-std/Script.sol";
+
+import "../helpers/BaseScript.s.sol";
+import "../helpers/TypeAndVersion.s.sol";
+import "src/interfaces/ccip/CCIPRouterInterface.sol";
+import "src/libraries/CCIPClient.sol";
+
+contract CCIPRouterScript is BaseScript, TypeAndVersionScript {
+  address public ccipRouterAddress;
+
+  constructor (address _ccipRouterAddress) {
+    ccipRouterAddress = _ccipRouterAddress;
+  }
+
+  function getFee(
+    uint64 destinationChainSelector,
+    Client.EVM2AnyMessage memory message
+  ) external view returns (uint256 fee) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.getFee(destinationChainSelector, message);
+  }
+
+  function getSupportedTokens(uint64 chainSelector) external view returns (address[] memory) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.getSupportedTokens(chainSelector);
+  }
+
+  function isChainSupported(uint64 chainSelector) public view returns (bool) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.isChainSupported(chainSelector);
+  }
+
+  function getOnRamp(uint64 destChainSelector) external view returns (address) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.getOnRamp(destChainSelector);
+  }
+
+  function isOffRamp(uint64 sourceChainSelector, address offRamp) public view returns (bool) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.isOffRamp(sourceChainSelector, offRamp);
+  }
+
+  function getWrappedNative() external view returns (address) {
+    CCIPRouterInterface ccipRouter = CCIPRouterInterface(ccipRouterAddress);
+    return ccipRouter.getWrappedNative();
+  }
+}
diff --git a/src/interfaces/ccip/CCIPRouterInterface.sol b/src/interfaces/ccip/CCIPRouterInterface.sol
new file mode 100644
index 0000000..de50028
--- /dev/null
+++ b/src/interfaces/ccip/CCIPRouterInterface.sol
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "../shared/TypeAndVersionInterface.sol";
+import "src/libraries/CCIPClient.sol";
+
+interface CCIPRouterInterface is TypeAndVersionInterface {
+  function getFee(
+    uint64 destinationChainSelector,
+    Client.EVM2AnyMessage memory message
+  ) external view returns (uint256 fee);
+  function getSupportedTokens(uint64 chainSelector) external view returns (address[] memory);
+  function isChainSupported(uint64 chainSelector) external view returns (bool);
+  function getOnRamp(uint64 destChainSelector) external view returns (address);
+  function isOffRamp(uint64 sourceChainSelector, address offRamp) external view returns (bool);
+  function getWrappedNative() external view returns (address);
+}
diff --git a/src/interfaces/ccip/IAny2EVMMessageReceiver.sol b/src/interfaces/ccip/IAny2EVMMessageReceiver.sol
new file mode 100644
index 0000000..dde6df8
--- /dev/null
+++ b/src/interfaces/ccip/IAny2EVMMessageReceiver.sol
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+import "src/libraries/CCIPClient.sol";
+
+/// @notice Application contracts that intend to receive messages from
+/// the router should implement this interface.
+interface IAny2EVMMessageReceiver {
+  /// @notice Called by the Router to deliver a message.
+  /// If this reverts, any token transfers also revert. The message
+  /// will move to a FAILED state and become available for manual execution.
+  /// @param message CCIP Message
+  /// @dev Note ensure you check the msg.sender is the OffRampRouter
+  function ccipReceive(Client.Any2EVMMessage calldata message) external;
+}
diff --git a/src/libraries/CCIPClient.sol b/src/libraries/CCIPClient.sol
new file mode 100644
index 0000000..a3d81c6
--- /dev/null
+++ b/src/libraries/CCIPClient.sol
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+/// @title Library of common constants and enums for the CCIP Router contract
+library Client {
+  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
+  struct EVMTokenAmount {
+    address token; // token address on the local chain.
+    uint256 amount; // Amount of tokens.
+  }
+
+  // If extraArgs is empty bytes, the default is 200k gas limit.
+  struct EVM2AnyMessage {
+    bytes receiver; // abi.encode(receiver address) for dest EVM chains
+    bytes data; // Data payload
+    EVMTokenAmount[] tokenAmounts; // Token transfers
+    address feeToken; // Address of feeToken. address(0) means you will send msg.value.
+    bytes extraArgs; // Populate this with _argsToBytes(EVMExtraArgsV1)
+  }
+
+  struct Any2EVMMessage {
+    bytes32 messageId; // MessageId corresponding to ccipSend on source.
+    uint64 sourceChainSelector; // Source chain selector.
+    bytes sender; // abi.decode(sender) if coming from an EVM chain.
+    bytes data; // payload sent in original message.
+    EVMTokenAmount[] destTokenAmounts; // Tokens and their amounts in their destination chain representation.
+  }
+}