AI agents call get_sz50_stocks to retrieve information from Stockreport without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only data retrieval tool that queries and returns a list of stocks in the Shenzhen 50 index. The 'get_' prefix and its peer tools confirm a data query pattern with no side effects. Confidence is slightly reduced (0.85 vs. higher) because the description is empty, leaving minor ambiguity, but the naming convention and server context strongly indicate read-only financial data retrieval.
From the tool's definition Tool name 'get_sz50_stocks' indicates retrieval of stock list data (Shenzhen 50 index constituents). Context shows sibling tools are all data-retrieval functions (get_* pattern): get_all_stock, get_historical_k_data, get_balance_data, etc.
Documented attack patterns abuse exactly the kind of access get_sz50_stocks gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Stockreport, and nothing reaches the server without passing your rules. This is the rule we recommend for get_sz50_stocks:
{
"version": "1",
"default": "deny",
"tools": {
"get_sz50_stocks": {}
}
}get_sz50_stocks is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_sz50_stocks. It is categorised as a Read tool in the Stockreport MCP Server, which means it retrieves data without modifying state.
Register the Stockreport MCP server in PolicyLayer and add a rule for get_sz50_stocks: 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 Stockreport. Nothing to install.
get_sz50_stocks 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_sz50_stocks 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_sz50_stocks. 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_sz50_stocks is provided by the Stockreport MCP server (jamesdingai/stockreport-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Stockreport, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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34 Stockreport tools catalogued and risk-classified — across an index of 43,000+ MCP servers.