getEthBalance

A read tool on the Ethereum Tools MCP server.

SERVEREthereum Tools SOURCE0xgval/evm-mcp-tools

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/0xgval-evm-mcp-tools/getethbalance.md

WHAT IT DOES

What getEthBalance does on Ethereum Tools

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

RISK

Why getEthBalance is rated Low

This tool retrieves balance data from the blockchain without modifying, executing operations, or committing financial transactions. It is a straightforward read operation. While the description is empty (reducing confidence slightly), the tool name and server context provide sufficient evidence to classify it as Read with low severity.

From the tool's definition Tool name 'getEthBalance' indicates a data retrieval operation that queries Ethereum wallet balance information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getEthBalance safely

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

getEthBalance Allowed

getEthBalance 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": {
    "getEthBalance": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ethereum Tools, apply this rule, and every getEthBalance call is checked against it from then on.

FAQ

Questions about getEthBalance

What does the getEthBalance tool do? +

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

How do I enforce a policy on getEthBalance? +

Register the Ethereum Tools MCP server in PolicyLayer and add a rule for getEthBalance: 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 Ethereum Tools. Nothing to install.

What risk level is getEthBalance? +

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

Can I rate-limit getEthBalance? +

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

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

getEthBalance is provided by the Ethereum Tools MCP server (0xgval/evm-mcp-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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