get_shareholders_tool
AI agents call get_shareholders_tool to retrieve information from Korean Company Information 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 shareholder structure information from the DART API—a query operation with no side effects, data modification, or execution capabilities. Shareholder data is public disclosure information. Confidence is moderate-high due to empty tool description, but the naming pattern and server context strongly indicate a read-only operation.
From the tool's definition Tool name 'get_shareholders_tool' indicates data retrieval. Server description states it 'enables AI agents to query...shareholder structures in real-time', and this tool aligns with that read-only querying capability.
Attacks that exploit this kind of access
get_shareholders_tool. It is categorised as a Read tool in the Korean Company Information MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Korean Company Information MCP Server MCP server in PolicyLayer and add a rule for get_shareholders_tool: 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 Korean Company Information MCP Server. Nothing to install.
get_shareholders_tool 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_shareholders_tool 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_shareholders_tool. 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_shareholders_tool is provided by the Korean Company Information MCP Server MCP server (seonaru/company-info-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.
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