Get account balance information for stock and/or futures accounts
AI agents call get_account_balance to retrieve information from Shioaji 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 without side effects. It is a query operation that does not create, modify, delete, or execute any transactions. While it accesses financial account data (which is sensitive), the action itself is purely informational. The context shows this is part of a trading API where other tools (place_order, cancel_order) handle write/execute operations.
From the tool's definition Tool name 'get_account_balance' and description 'Get account balance information for stock and/or futures accounts' indicate a read-only retrieval operation that queries existing account data without modification, deletion, or execution of trades.
Attacks that exploit this kind of access
Get account balance information for stock and/or futures accounts. It is categorised as a Read tool in the Shioaji MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Shioaji 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 Shioaji 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 Shioaji MCP Server MCP server (offbeat-studio/shioaji-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.
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