AI agents call get_limit_surge_themes to retrieve information from Sfc Data without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries theme data ranked by surge statistics from SFC financial data API. It exhibits no side effects, does not execute code or trigger operations, and does not create, modify, or delete data. It is a straightforward Read operation that fetches pre-computed market theme rankings.
From the tool's definition Tool name 'get_limit_surge_themes' and description '获取大涨主题库（按大涨股数量排序的主题排行）' (Get surge themes library sorted by count of surging stocks) indicates data retrieval.
Attacks that exploit this kind of access
获取大涨主题库（按大涨股数量排序的主题排行）. It is categorised as a Read tool in the Sfc Data MCP Server, which means it retrieves data without modifying state.
Register the Sfc Data MCP server in PolicyLayer and add a rule for get_limit_surge_themes: 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 Sfc Data. Nothing to install.
get_limit_surge_themes 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_limit_surge_themes 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_limit_surge_themes. 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_limit_surge_themes is provided by the Sfc Data MCP server (yangxinagfeng123/sfc-data-mcp). 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.
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