AI agents call get_all_stock 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 appears to retrieve or list all available stocks from the A-share dataset. The naming convention ('get_') and context of similar read-only tools on the server strongly indicate a data retrieval function with no side effects. The empty description slightly reduces confidence, but the consistent pattern of read operations on this financial data server supports classification as Read with low severity.
From the tool's definition Tool name 'get_all_stock' indicates a retrieval operation. Server description states it 'enables users to query Chinese A-share stock data, including stock basics' and sibling tools are all read-only queries (get_balance_data, get_cash_flow_data,…
Attacks that exploit this kind of access
get_all_stock. 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_all_stock: 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_all_stock 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_all_stock 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_all_stock. 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_all_stock 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 →