finnhub_financials | PolicyLayer

WHAT IT DOES

What finnhub_financials does on PM-MCP (Portfolio Management MCP Server)

AI agents call finnhub_financials to retrieve information from PM-MCP (Portfolio Management MCP Server) without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why finnhub_financials needs a policy

This tool retrieves and queries financial metrics—a read-only operation with no side effects, data modification, code execution, deletion, or financial transaction capabilities. The blast radius of misuse is minimal as it only exposes publicly available financial data retrieval.

From the tool's definition Tool name 'finnhub_financials' and description '기본 재무 지표 조회' (Korean: 'Retrieve basic financial metrics') indicates querying financial data from Finnhub API without modification or execution capabilities.

Attacks that exploit this kind of access

Questions about finnhub_financials

What does the finnhub_financials tool do? +

기본 재무 지표 조회. It is categorised as a Read tool in the PM-MCP (Portfolio Management MCP Server) MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on finnhub_financials? +

Register the PM-MCP (Portfolio Management MCP Server) MCP server in PolicyLayer and add a rule for finnhub_financials: 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 PM-MCP (Portfolio Management MCP Server). Nothing to install.

What risk level is finnhub_financials? +

finnhub_financials is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit finnhub_financials? +

Yes. Add a rate_limit block to the finnhub_financials 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.

How do I block finnhub_financials completely? +

Set action: deny in the PolicyLayer policy for finnhub_financials. 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.

What MCP server provides finnhub_financials? +

finnhub_financials is provided by the PM-MCP (Portfolio Management MCP Server) MCP server (surplus96/pm-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.