Get account balances (available + locked)
AI agents call get_balances to retrieve information from Opinion Trade MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves account balance information in read-only mode. It queries existing data without creating, modifying, deleting, or executing any side effects. Despite being part of a trading platform with financial capabilities, this specific tool merely reads balance data and poses minimal risk if misused by an AI agent. The low severity reflects that viewing balances alone cannot cause financial harm.
From the tool's definition Tool name is 'get_balances' and description states 'Get account balances (available + locked)' — a query operation that retrieves data without modifying state.
Attacks that exploit this kind of access
Get account balances (available + locked). It is categorised as a Read tool in the Opinion Trade MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Opinion Trade MCP Server MCP server in PolicyLayer and add a rule for get_balances: 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 Opinion Trade MCP Server. Nothing to install.
get_balances 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_balances 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_balances. 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_balances is provided by the Opinion Trade MCP Server MCP server (solenyaresearch0000/opinion-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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