Critical-risk tools in SEI MCP Server V2
24 of the 187 tools in SEI MCP Server V2 are classified as critical 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 critical risk
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cancel_debridge_orderDestructiveInitiates and executes the cancellation of an unfulfilled deBridge order.
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cancel_opensea_orderDestructiveCancel an order onchain, preventing it from ever being fulfilled.
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citrex_cancel_open_orders_for_productDestructiveCancels all open orders for a specific product.
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citrex_cancel_orderDestructiveCancels an existing open order.
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citrex_cancel_ordersDestructiveCancels multiple existing open orders in a single transaction.
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remove_liquidityDestructiveRemove liquidity from a DragonSwap V3 position
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borrow_yei_assetFinancialBorrow an asset from the Yei Finance pool against supplied collateral.
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buy_opensea_nftFinancialBuys an NFT by first fetching its best listing from the API and then fulfilling the order using the SDK.
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citrex_depositFinancialDeposits funds into the user
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citrex_place_ordersFinancialPlaces multiple new orders on the Citrex exchange in a single transaction.
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citrex_withdrawFinancialWithdraws funds from the user
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create_and_execute_debridge_orderFinancialCreates and executes a deBridge cross-chain order, returning the transaction hash.
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create_debridge_orderFinancialCreates a deBridge cross-chain order. Provides an estimation and, if all wallet details are provided, a transaction to sign.
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create_opensea_collection_offerFinancialCreate and submit a collection offer.
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create_opensea_offerFinancialCreate and submit an offer for an asset on OpenSea.
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delegate_credit_by_debt_tokenFinancialDelegates borrowing power to another address using the specific debt token contract.
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fulfill_opensea_orderFinancialFulfill an order for an asset (either a listing or an offer).
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repay_yei_assetFinancialRepay a borrowed asset to the Yei Finance pool.
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swap_on_symphonyFinancialSwaps one token for another using the Symphony protocol.
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swap_on_symphony_advancedFinancialSwaps one token for another using the Symphony protocol, with optional parameters for routing and execution.
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transfer_erc20FinancialTransfer ERC20 tokens to another address
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transfer_seiFinancialTransfer native tokens (Sei) to an address
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withdraw_native_assetFinancialWithdraw the native asset (SEI) from the lending pool.
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withdraw_yei_assetFinancialWithdraw a supplied asset from the Yei Finance pool.
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.