AI agents call scan_l2_volume_anomaly 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 perform anomaly detection/analysis on Level 2 volume data, which is a read operation that analyzes existing market data without side effects. The 'scan' terminology suggests query/retrieval.
From the tool's definition Tool name 'scan_l2_volume_anomaly' suggests querying/scanning Level 2 market data for anomalies. No description provided, but naming convention and context (Tushare stock data server with sibling tools like 'get_block_trade', 'get_concept_moneyflow_dc')…
Documented attack patterns abuse exactly the kind of access scan_l2_volume_anomaly 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 scan_l2_volume_anomaly:
{
"version": "1",
"default": "deny",
"tools": {
"scan_l2_volume_anomaly": {}
}
}scan_l2_volume_anomaly is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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scan_l2_volume_anomaly. 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 scan_l2_volume_anomaly: 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.
scan_l2_volume_anomaly 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 scan_l2_volume_anomaly 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 scan_l2_volume_anomaly. 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.
scan_l2_volume_anomaly 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.
Free to start. No card required.
66 Tushare MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.