get_token_balance_erc20

Get ERC20 token balance for an 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-token-balance-erc20.md

WHAT IT DOES

What get_token_balance_erc20 does on EVM MCP Server

AI agents call get_token_balance_erc20 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_token_balance_erc20 is rated Low

This tool retrieves balance information from a blockchain without creating, modifying, deleting, or executing any state-changing operations. It is a read-only query that returns data about an existing account's token holdings. The severity is low because misuse would only expose information already available on public blockchains, with no financial, operational, or destructive consequences.

From the tool's definition Tool name is 'get_token_balance_erc20' and description states 'Get ERC20 token balance for an address' — a pure query operation with no side effects or state modifications.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_token_balance_erc20 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_token_balance_erc20, this is the rule to start with:

get_token_balance_erc20 Allowed

get_token_balance_erc20 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_token_balance_erc20": {}
  }
}

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_token_balance_erc20 call is checked against it from then on.

FAQ

Questions about get_token_balance_erc20

What does the get_token_balance_erc20 tool do? +

Get ERC20 token balance for an 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_token_balance_erc20? +

Register the EVM MCP Server MCP server in PolicyLayer and add a rule for get_token_balance_erc20: 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_token_balance_erc20? +

get_token_balance_erc20 is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_token_balance_erc20? +

Yes. Add a rate_limit block to the get_token_balance_erc20 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_token_balance_erc20 completely? +

Set action: deny in the PolicyLayer policy for get_token_balance_erc20. 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_token_balance_erc20? +

get_token_balance_erc20 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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