AI agents call get_share_float 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.
This tool retrieves a specific stock metric (floating share count), which is a read-only operation with no side effects. There is no indication of write, execution, deletion, or financial transaction capabilities. The confidence is slightly reduced (0.85 vs 1.0) due to the empty description, but the naming convention and server context strongly indicate a data retrieval function.
From the tool's definition Tool name 'get_share_float' indicates data retrieval. The verb 'get' combined with a financial metric name ('share_float') suggests querying stock information.
Documented attack patterns abuse exactly the kind of access get_share_float 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_share_float:
{
"version": "1",
"default": "deny",
"tools": {
"get_share_float": {}
}
}get_share_float is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_share_float. 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_share_float: 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_share_float 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_share_float 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_share_float. 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_share_float 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.