AI agents call get_deposit_rate_data to retrieve information from Ashare without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical benchmark deposit rate data from the baostock financial API. It performs no writes, deletes, executions, or financial transactions—merely querying and returning public financial reference data. The blast radius of misuse is minimal; an agent cannot harm systems, delete data, or incur financial obligations with this tool.
From the tool's definition Tool name 'get_deposit_rate_data' and description 'Benchmark deposit rates over a date range' indicate data retrieval with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Benchmark deposit rates (存款利率) over a date range. It is categorised as a Read tool in the Ashare MCP Server, which means it retrieves data without modifying state.
Register the Ashare MCP server in PolicyLayer and add a rule for get_deposit_rate_data: 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 Ashare. Nothing to install.
get_deposit_rate_data 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_deposit_rate_data 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_deposit_rate_data. 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_deposit_rate_data is provided by the Ashare MCP server (maimai-hqw/ashare-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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