Get 沪港通-港股通信息披露-参考汇率
AI agents call stock_sgt_reference_exchange_rate_sse to retrieve information from China Stock 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 reference exchange rate information for Shanghai-Hong Kong Stock Connect (沪港通-港股通), which is a read-only data query operation. It fetches publicly disclosed financial information without side effects, making it a Read category tool with low severity risk—misuse would only expose or display exchange rate data without affecting market operations or data integrity.
From the tool's definition Tool name 'stock_sgt_reference_exchange_rate_sse' and description 'Get 沪港通-港股通信息披露-参考汇率' (Shanghai-Hong Kong Stock Connect disclosure - reference exchange rate) indicates retrieval of exchange rate reference data for disclosure purposes.
Documented attack patterns abuse exactly the kind of access stock_sgt_reference_exchange_rate_sse gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and China Stock MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for stock_sgt_reference_exchange_rate_sse:
{
"version": "1",
"default": "deny",
"tools": {
"stock_sgt_reference_exchange_rate_sse": {}
}
}stock_sgt_reference_exchange_rate_sse is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get 沪港通-港股通信息披露-参考汇率. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.
Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_sgt_reference_exchange_rate_sse: 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 China Stock MCP Server. Nothing to install.
stock_sgt_reference_exchange_rate_sse 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 stock_sgt_reference_exchange_rate_sse 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 stock_sgt_reference_exchange_rate_sse. 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.
stock_sgt_reference_exchange_rate_sse is provided by the China Stock MCP Server MCP server (peikuo/china-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from China Stock MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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351 China Stock MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.