getERC20TokenInfo

Get basic information about an ERC20 token including name, symbol, decimals, and total supply

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/geterc20tokeninfo.md

WHAT IT DOES

What getERC20TokenInfo does on MCP Ethers Wallet

AI agents call getERC20TokenInfo 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 getERC20TokenInfo is rated Low

getERC20TokenInfo performs pure data retrieval from smart contracts without side effects. It queries immutable token properties and does not execute transactions, modify state, or perform financial operations. Severity is low because misuse cannot cause harm beyond information disclosure.

From the tool's definition Tool retrieves token metadata: 'name, symbol, decimals, and total supply' — all read-only blockchain state queries with no modification or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getERC20TokenInfo 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 getERC20TokenInfo, this is the rule to start with:

getERC20TokenInfo Allowed

getERC20TokenInfo 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": {
    "getERC20TokenInfo": {}
  }
}

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 getERC20TokenInfo call is checked against it from then on.

FAQ

Questions about getERC20TokenInfo

What does the getERC20TokenInfo tool do? +

Get basic information about an ERC20 token including name, symbol, decimals, and total supply. 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 getERC20TokenInfo? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for getERC20TokenInfo: 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 getERC20TokenInfo? +

getERC20TokenInfo is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit getERC20TokenInfo? +

Yes. Add a rate_limit block to the getERC20TokenInfo 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 getERC20TokenInfo completely? +

Set action: deny in the PolicyLayer policy for getERC20TokenInfo. 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 getERC20TokenInfo? +

getERC20TokenInfo 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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