erc20_getTokenInfo

Get detailed information about an ERC20 token including its name, symbol, decimals, and total supply. Alternative naming for compatibility with MCP client tests.

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/erc20-gettokeninfo.md

WHAT IT DOES

What erc20_getTokenInfo does on MCP Ethers Wallet

AI agents call erc20_getTokenInfo 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 erc20_getTokenInfo is rated Low

This tool queries blockchain data about token metadata (name, symbol, decimals, total supply). It performs a read-only operation on public blockchain state with no ability to modify, delete, or execute code. Despite being on a wallet/financial-focused MCP server, the tool itself only retrieves immutable token information.

From the tool's definition Tool description states it 'Get[s] detailed information about an ERC20 token including its name, symbol, decimals, and total supply' — pure information retrieval with no side effects or state modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs erc20_getTokenInfo 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 erc20_getTokenInfo, this is the rule to start with:

erc20_getTokenInfo Allowed

erc20_getTokenInfo 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": {
    "erc20_getTokenInfo": {}
  }
}

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 erc20_getTokenInfo call is checked against it from then on.

FAQ

Questions about erc20_getTokenInfo

What does the erc20_getTokenInfo tool do? +

Get detailed information about an ERC20 token including its name, symbol, decimals, and total supply. Alternative naming for compatibility with MCP client tests. 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 erc20_getTokenInfo? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for erc20_getTokenInfo: 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 erc20_getTokenInfo? +

erc20_getTokenInfo is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit erc20_getTokenInfo? +

Yes. Add a rate_limit block to the erc20_getTokenInfo 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 erc20_getTokenInfo completely? +

Set action: deny in the PolicyLayer policy for erc20_getTokenInfo. 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 erc20_getTokenInfo? +

erc20_getTokenInfo 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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