erc1155_balanceOf

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/erc1155-balanceof.md

WHAT IT DOES

What erc1155_balanceOf does on MCP Ethers Wallet

AI agents call erc1155_balanceOf 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 erc1155_balanceOf is rated Low

This tool retrieves blockchain data (token balance) with no state modifications, no execution of code, no financial transfers, and no deletion or overwriting. It is a pure read operation. Severity is low because misuse by an AI agent would only result in querying information, which has minimal blast radius.

From the tool's definition Tool name 'erc1155_balanceOf' queries the balance of ERC-1155 tokens for a given account and token ID. ERC-1155 is a standard for querying token balances on Ethereum.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs erc1155_balanceOf 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 erc1155_balanceOf, this is the rule to start with:

erc1155_balanceOf Allowed

erc1155_balanceOf 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": {
    "erc1155_balanceOf": {}
  }
}

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 erc1155_balanceOf call is checked against it from then on.

FAQ

Questions about erc1155_balanceOf

What does the erc1155_balanceOf tool do? +

erc1155_balanceOf 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 erc1155_balanceOf? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for erc1155_balanceOf: 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 erc1155_balanceOf? +

erc1155_balanceOf is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit erc1155_balanceOf? +

Yes. Add a rate_limit block to the erc1155_balanceOf 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 erc1155_balanceOf completely? +

Set action: deny in the PolicyLayer policy for erc1155_balanceOf. 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 erc1155_balanceOf? +

erc1155_balanceOf 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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