Get the current balance of a specific asset (e.g., USDT, BTC).
AI agents call get_account_balance to retrieve information from Binance MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves account balance information—a passive query with no side effects. Although it accesses financial data on a cryptocurrency exchange, it does not move money, execute trades, or change account state. The primary risk is information disclosure (knowing the account balance), which is low severity compared to tools that place orders or adjust leverage on the same server.
From the tool's definition Tool name 'get_account_balance' and description 'Get the current balance of a specific asset' indicate a read-only query operation that retrieves financial data without modifying, executing, or committing financial transactions.
Attacks that exploit this kind of access
Get the current balance of a specific asset (e.g., USDT, BTC). It is categorised as a Read tool in the Binance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Binance MCP Server MCP server in PolicyLayer and add a rule for get_account_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 Binance MCP Server. Nothing to install.
get_account_balance is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_account_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.
Set action: deny in the PolicyLayer policy for get_account_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.
get_account_balance is provided by the Binance MCP Server MCP server (jordy33/binance_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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