High-risk tools in MCP Ethers Wallet
5 of the 69 tools in MCP Ethers Wallet are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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contractCallExecutecontractCall
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prepareContractTransactionExecutePrepare a smart contract interaction transaction for signing. Returns transaction data that can be signed and broadcast.
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prepareERC1155SetApprovalForAllExecutePrepare an ERC1155 setApprovalForAll transaction for signing. Returns transaction data that can be signed and broadcast.
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prepareERC721SetApprovalForAllExecutePrepare an ERC721 NFT setApprovalForAll transaction for signing. Returns transaction data that can be signed and broadcast.
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signMessageExecutesignMessage
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.