获取股票估值指标：PE、PB、PS、股息率、总市值、流通市值、换手率等。
AI agents call get_valuation to retrieve information from FactorHub MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns financial valuation data (estimated metrics) without creating, modifying, deleting, or executing any operations. The description indicates data retrieval only: 'get' prefix + list of read-only metrics (PE ratio, price-to-book, price-to-sales, etc.).
From the tool's definition Tool retrieves valuation metrics (PE, PB, PS, dividend yield, market cap, free float market cap, turnover rate) for stocks with no modification capability indicated.
Attacks that exploit this kind of access
获取股票估值指标：PE、PB、PS、股息率、总市值、流通市值、换手率等。. It is categorised as a Read tool in the FactorHub MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FactorHub MCP Server MCP server in PolicyLayer and add a rule for get_valuation: 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 FactorHub MCP Server. Nothing to install.
get_valuation 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_valuation 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_valuation. 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_valuation is provided by the FactorHub MCP Server MCP server (michaelfeng/factorhub-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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