Cw20TokenController-getCw20Balances

THE RISK

Low Risk

Why Cw20TokenController-getCw20Balances needs a policy

This tool queries blockchain data to retrieve CW20 token balance information. It performs a read-only operation with no side effects—it does not create, modify, delete, or execute any code. The blast radius of misuse is minimal; an agent could retrieve token balance data but cannot transfer funds, delete data, or execute arbitrary operations. Classified as Read with low severity.

From the tool's definition Tool name 'getCw20Balances' and description 'endpoint to get CW20 token balances' indicate data retrieval with no modification or deletion capabilities.

Documented attack patterns abuse exactly the kind of access Cw20TokenController-getCw20Balances gives an agent:

POLICY

How to control Cw20TokenController-getCw20Balances

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 Cw20TokenController-getCw20Balances:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "Cw20TokenController-getCw20Balances": {}
  }
}

Cw20TokenController-getCw20Balances 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 Cw20TokenController-getCw20Balances

What does the Cw20TokenController-getCw20Balances tool do? +

The endpoint to get CW20 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 Cw20TokenController-getCw20Balances? +

Register the Seitrace Insights MCP Server MCP server in PolicyLayer and add a rule for Cw20TokenController-getCw20Balances: 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 Cw20TokenController-getCw20Balances? +

Cw20TokenController-getCw20Balances is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit Cw20TokenController-getCw20Balances? +

Yes. Add a rate_limit block to the Cw20TokenController-getCw20Balances 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 Cw20TokenController-getCw20Balances completely? +

Set action: deny in the PolicyLayer policy for Cw20TokenController-getCw20Balances. 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 Cw20TokenController-getCw20Balances? +

Cw20TokenController-getCw20Balances 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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