get_erc20_balance

Get the ERC20 token balance of an Ethereum address

SERVEREVM MCP Server SOURCEchulanpro5/evm-mcp-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/chulanpro5-evm-mcp-server/get-erc20-balance.md

WHAT IT DOES

What get_erc20_balance does on EVM MCP Server

AI agents call get_erc20_balance to retrieve information from EVM MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_erc20_balance is rated Low

This tool only reads blockchain data (token balance) and has no side effects. It does not create, modify, delete, or execute any transactions. It is a straightforward data retrieval operation, making it a Read category risk with low severity.

From the tool's definition Tool name 'get_erc20_balance' and description 'Get the ERC20 token balance of an Ethereum address' indicate a query operation that retrieves balance information without modifying state or executing transactions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_erc20_balance safely

PolicyLayer is an MCP gateway: it sits between your AI agents and EVM MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_erc20_balance, this is the rule to start with:

get_erc20_balance Allowed

get_erc20_balance 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": {
    "get_erc20_balance": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect EVM MCP Server, apply this rule, and every get_erc20_balance call is checked against it from then on.

FAQ

Questions about get_erc20_balance

What does the get_erc20_balance tool do? +

Get the ERC20 token balance of an Ethereum address. It is categorised as a Read tool in the EVM MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_erc20_balance? +

Register the EVM MCP Server MCP server in PolicyLayer and add a rule for get_erc20_balance: 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 EVM MCP Server. Nothing to install.

What risk level is get_erc20_balance? +

get_erc20_balance is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_erc20_balance? +

Yes. Add a rate_limit block to the get_erc20_balance 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 get_erc20_balance completely? +

Set action: deny in the PolicyLayer policy for get_erc20_balance. 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 get_erc20_balance? +

get_erc20_balance is provided by the EVM MCP Server MCP server (chulanpro5/evm-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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