getWalletBalance

A read tool on the MCP Ethers Wallet MCP server.

SERVERMCP Ethers Wallet SOURCEcrazyrabbitltc/mcp-ethers-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What getWalletBalance does on MCP Ethers Wallet

AI agents call getWalletBalance to retrieve information from MCP Ethers Wallet without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why getWalletBalance is rated Low

getWalletBalance retrieves balance data from a blockchain without side effects—it is a read operation. The tool name clearly indicates data retrieval (get + query of balance). While the description is empty, the naming pattern and sibling tools on this server (many prefixed with read-only queries like erc*_balanceOf, checkWalletExists) reinforce that this is informational only.

From the tool's definition Tool name 'getWalletBalance' indicates a query operation that retrieves wallet balance data. No description provided, but the name and context (blockchain wallet MCP server with read-only sibling tools like erc20_balanceOf, erc721_balanceOf,…

Attacks that exploit this kind of access

RECOMMENDED RULE

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

getWalletBalance Allowed

getWalletBalance is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "getWalletBalance": {}
  }
}

ALLOW ONLY 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 getWalletBalance call is checked against it from then on.

FAQ

Questions about getWalletBalance

What does the getWalletBalance tool do? +

getWalletBalance is a read tool on the MCP Ethers Wallet MCP server. It is categorised as a Read tool in the MCP Ethers Wallet MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getWalletBalance? +

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

getWalletBalance is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit getWalletBalance? +

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

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

getWalletBalance 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.

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