Erc20TokenController-getErc20Balances

THE RISK

Low Risk

Why Erc20TokenController-getErc20Balances needs a policy

This tool retrieves blockchain balance data through a GET-like query endpoint. There are no side effects, state modifications, or irreversible actions. The operation is purely informational, reading ERC-20 token balances for addresses. While blockchain data can be sensitive, reading balances presents minimal risk compared to write or destructive operations.

From the tool's definition Tool name 'getErc20Balances' and description 'endpoint to get Erc20 token balances' indicate a query operation that retrieves balance information without modifying data.

Documented attack patterns abuse exactly the kind of access Erc20TokenController-getErc20Balances gives an agent:

POLICY

How to control Erc20TokenController-getErc20Balances

PolicyLayer is an MCP gateway — it sits between your AI agents and Seitrace Insights MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for Erc20TokenController-getErc20Balances:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "Erc20TokenController-getErc20Balances": {}
  }
}

Erc20TokenController-getErc20Balances is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Seitrace Insights MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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FAQ

Questions about Erc20TokenController-getErc20Balances

What does the Erc20TokenController-getErc20Balances tool do? +

The endpoint to get Erc20 token balances. ||| |---|---| |Eligible For|Free Trial and Paid users| |Cost|50 Credit Units|. It is categorised as a Read tool in the Seitrace Insights MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on Erc20TokenController-getErc20Balances? +

Register the Seitrace Insights MCP Server MCP server in PolicyLayer and add a rule for Erc20TokenController-getErc20Balances: 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 Seitrace Insights MCP Server. Nothing to install.

What risk level is Erc20TokenController-getErc20Balances? +

Erc20TokenController-getErc20Balances is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit Erc20TokenController-getErc20Balances? +

Yes. Add a rate_limit block to the Erc20TokenController-getErc20Balances 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 Erc20TokenController-getErc20Balances completely? +

Set action: deny in the PolicyLayer policy for Erc20TokenController-getErc20Balances. 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 Erc20TokenController-getErc20Balances? +

Erc20TokenController-getErc20Balances is provided by the Seitrace Insights MCP Server MCP server (seitrace/seitrace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Seitrace Insights MCP Server tool call.

Start from Seitrace Insights MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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