AI agents call get_block_trade to retrieve information from Tushare MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve block trade information from the Tushare financial data API. No destructive, financial transaction, or code execution capabilities are evident. The empty description lowers confidence slightly, but the naming pattern and server context strongly indicate this is a read-only query tool for stock market data, consistent with other read operations on this MCP server.
From the tool's definition Tool name 'get_block_trade' combined with server context (stock information queries via Tushare API) and sibling tools that are all data retrieval operations (analyze_*, collect_*, filter_*, get_*).
Documented attack patterns abuse exactly the kind of access get_block_trade gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Tushare MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_block_trade:
{
"version": "1",
"default": "deny",
"tools": {
"get_block_trade": {}
}
}get_block_trade is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_block_trade. It is categorised as a Read tool in the Tushare MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tushare MCP Server MCP server in PolicyLayer and add a rule for get_block_trade: 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 Tushare MCP Server. Nothing to install.
get_block_trade 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_block_trade 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_block_trade. 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_block_trade is provided by the Tushare MCP Server MCP server (zhewenzhang/tushare_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 66 Tushare MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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66 Tushare MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.