sendTransactionWithOptions

A financial tool on the MCP Ethers Wallet MCP server.

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/sendtransactionwithoptions.md

WHAT IT DOES

What sendTransactionWithOptions does on MCP Ethers Wallet

AI agents use sendTransactionWithOptions 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 sendTransactionWithOptions is rated Critical

On an Ethereum wallet server, 'sendTransaction' is the canonical operation for broadcasting a signed transaction to the network, which can transfer ETH or tokens — a financial operation that is irreversible once mined. Even with an empty description, the name combined with the server context makes this almost certainly a financial/destructive action. Financial is the most severe applicable category.

From the tool's definition Tool name 'sendTransactionWithOptions' on a server described as enabling 'interact with Ethereum networks, manage wallets' and 'execute smart contract operations'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sendTransactionWithOptions 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 sendTransactionWithOptions, this is the rule to start with:

sendTransactionWithOptions Approval-gated

Any call to sendTransactionWithOptions 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": {
    "sendTransactionWithOptions": {
      "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 sendTransactionWithOptions call is checked against it from then on.

FAQ

Questions about sendTransactionWithOptions

What does the sendTransactionWithOptions tool do? +

sendTransactionWithOptions is a financial tool on the MCP Ethers Wallet MCP server. 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 sendTransactionWithOptions? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for sendTransactionWithOptions: 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 sendTransactionWithOptions? +

sendTransactionWithOptions 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 sendTransactionWithOptions? +

Yes. Add a rate_limit block to the sendTransactionWithOptions 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 sendTransactionWithOptions completely? +

Set action: deny in the PolicyLayer policy for sendTransactionWithOptions. 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 sendTransactionWithOptions? +

sendTransactionWithOptions 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.

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