safeTransferERC721

Safely transfer an NFT from the connected wallet to another address, with additional data

SERVERMCP Ethers Wallet SOURCEcrazyrabbitltc/mcp-ethers-server

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/crazyrabbitltc-mcp-ethers-server/safetransfererc721.md

WHAT IT DOES

What safeTransferERC721 does on MCP Ethers Wallet

AI agents use safeTransferERC721 to commit financial operations through MCP Ethers Wallet, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why safeTransferERC721 is rated Critical

This tool transfers an NFT (a digital asset with financial/monetary value) from the connected wallet to another address. NFT transfers are irreversible on-chain and represent movement of a potentially valuable asset. This qualifies as Financial due to moving assets of financial value, and the severity is critical because a misuse could result in permanent, irreversible loss of valuable NFTs from the user's wallet.

From the tool's definition Safely transfer an NFT from the connected wallet to another address

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs safeTransferERC721 safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Ethers Wallet, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For safeTransferERC721, this is the rule to start with:

safeTransferERC721 Approval-gated

Any call to safeTransferERC721 is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "safeTransferERC721": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Ethers Wallet, apply this rule, and every safeTransferERC721 call is checked against it from then on.

FAQ

Questions about safeTransferERC721

What does the safeTransferERC721 tool do? +

Safely transfer an NFT from the connected wallet to another address, with additional data. It is categorised as a Financial tool in the MCP Ethers Wallet MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on safeTransferERC721? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for safeTransferERC721: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MCP Ethers Wallet. Nothing to install.

What risk level is safeTransferERC721? +

safeTransferERC721 is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit safeTransferERC721? +

Yes. Add a rate_limit block to the safeTransferERC721 rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block safeTransferERC721 completely? +

Set action: deny in the PolicyLayer policy for safeTransferERC721. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides safeTransferERC721? +

safeTransferERC721 is provided by the MCP Ethers Wallet MCP server (crazyrabbitltc/mcp-ethers-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on MCP Ethers Wallet, and thousands of servers like it.

This server

All 69 MCP Ethers Wallet tools → Critical-risk tools on this server →

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All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →