AI agents call get_required_reserve_ratio_data to retrieve information from A Share without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves macroeconomic indicator data (required reserve ratio) with no modification, deletion, or execution capability. It follows the read-only pattern of sibling 'get_*' tools on the server. The blast radius of misuse is minimal—an AI agent querying this data cannot cause harm beyond potentially excessive data requests.
From the tool's definition Tool name 'get_required_reserve_ratio_data' indicates data retrieval. Server description states it enables users to 'query Chinese A-share stock data, including stock basics, historical prices, financial reports, and macroeconomic indicators.' The 'get_'…
Attacks that exploit this kind of access
get_required_reserve_ratio_data. It is categorised as a Read tool in the A Share MCP Server, which means it retrieves data without modifying state.
Register the A Share 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 A Share. 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 A Share MCP server (kissjerryfan/mcp_server). 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.
Teams ship this data inside their own products. See what a licence covers →