get-mon-balance · Monad MCP Server MCP: Risk & Policy

WHAT IT DOES

What get-mon-balance does on Monad MCP Server

AI agents call get-mon-balance to retrieve information from Monad MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-mon-balance needs a policy

This tool retrieves balance data from the Monad testnet with no side effects, no code execution, and no data modification. It is a simple lookup operation, consistent with the Read category. Severity is low because misuse by an AI agent would only expose non-sensitive balance information and cannot harm the network or user assets.

From the tool's definition Tool description states 'Get MON balance for an address' — a pure query operation. Server description confirms tools for checking balances, examining transaction details, retrieving block information with no mention of write/execute/destructive operations.

Attacks that exploit this kind of access

Questions about get-mon-balance

What does the get-mon-balance tool do? +

Get MON balance for an address on Monad testnet. It is categorised as a Read tool in the Monad MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-mon-balance? +

Register the Monad MCP Server MCP server in PolicyLayer and add a rule for get-mon-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 Monad MCP Server. Nothing to install.

What risk level is get-mon-balance? +

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

Can I rate-limit get-mon-balance? +

Yes. Add a rate_limit block to the get-mon-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-mon-balance completely? +

Set action: deny in the PolicyLayer policy for get-mon-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-mon-balance? +

get-mon-balance is provided by the Monad MCP Server MCP server (semutireng22/mcp-monad). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.