列出可用的公司列表
AI agents call list_companies to retrieve information from Financial Report Generator 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 and enumerates company data without modifying, deleting, or executing any operations. It is purely informational. Even in the context of a financial reporting system, listing available companies is a read-only operation with minimal blast radius if misused by an agent—it would simply return data that is likely already public.
From the tool's definition Tool name is 'list_companies' and description indicates it lists available companies ("列出可用的公司列表" translates to "List available company list"). This is a retrieval/query operation with no side effects.
Attacks that exploit this kind of access
列出可用的公司列表. It is categorised as a Read tool in the Financial Report Generator MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Report Generator MCP Server MCP server in PolicyLayer and add a rule for list_companies: 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 Financial Report Generator MCP Server. Nothing to install.
list_companies 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 list_companies 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 list_companies. 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.
list_companies is provided by the Financial Report Generator MCP Server MCP server (kennanyang/financial-report). 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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