stock_ebs_lg
A read tool on the China Stock MCP server.
This record as markdown: /tools/peikuo-china-stock-mcp-server/stock-ebs-lg.md
What stock_ebs_lg does on China Stock MCP Server
AI agents call stock_ebs_lg to retrieve information from China Stock MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why stock_ebs_lg is rated Low
Based on sibling tool patterns and the server's stated purpose of providing 'access to Chinese stock market data,' this tool almost certainly retrieves or queries stock market data without side effects. The lack of description reduces confidence, but the naming convention strongly suggests a Read operation. No evidence of write, delete, execution, or financial transaction capabilities.
From the tool's definition Tool name 'stock_ebs_lg' follows the naming pattern of sibling tools (stock_a_*) which are all data retrieval tools (all_pb, below_net_asset_statistics, congestion_lg, etc.). The 'lg' suffix appears consistent with sibling analytical/statistical tools.
Attacks that exploit this kind of access
The rule that runs stock_ebs_lg safely
PolicyLayer is an MCP gateway: it sits between your AI agents and China Stock MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For stock_ebs_lg, this is the rule to start with:
stock_ebs_lg is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect China Stock MCP Server, apply this rule, and every stock_ebs_lg call is checked against it from then on.
Questions about stock_ebs_lg
stock_ebs_lg is a read tool on the China Stock MCP Server MCP server. 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_ebs_lg: 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_ebs_lg 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_ebs_lg 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_ebs_lg. 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_ebs_lg 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.
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