AI agents call get_required_reserve_ratio_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 queries and retrieves macroeconomic data about central bank reserve requirements—a read-only operation with no side effects. The yearType parameter only filters results (by effective date or announcement date), it does not modify data. Misuse by an AI agent would at worst return irrelevant data, posing minimal risk.
From the tool's definition Tool name 'get_required_reserve_ratio_data' and description indicate data retrieval of reserve ratio information. No write, delete, execute, or financial operation described.
Attacks that exploit this kind of access
Required reserve ratio (存款准备金率). yearType: 0生效日期(default)/1公告日期. 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_required_reserve_ratio_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_required_reserve_ratio_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_required_reserve_ratio_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_required_reserve_ratio_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_required_reserve_ratio_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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