AI agents call akshare_stock_valuation_em to retrieve information from Self without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears designed to retrieve or query stock valuation data (an informational read operation) based on its name and the server's stated purpose of providing access to financial and macroeconomic data. No evidence suggests it modifies, executes code, deletes data, or moves money. Empty description prevents higher confidence, but the naming pattern matches sibling read tools (fred_get_*, akshare_*_profile, etc.
From the tool's definition Tool name 'akshare_stock_valuation_em' suggests retrieval of stock valuation metrics. Server context indicates data querying purpose ('search and retrieve economic indicators'). Description is empty, reducing confidence.
Attacks that exploit this kind of access
akshare_stock_valuation_em. It is categorised as a Read tool in the Self MCP Server, which means it retrieves data without modifying state.
Register the Self MCP server in PolicyLayer and add a rule for akshare_stock_valuation_em: 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 Self. Nothing to install.
akshare_stock_valuation_em 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 akshare_stock_valuation_em 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 akshare_stock_valuation_em. 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.
akshare_stock_valuation_em is provided by the Self MCP server (ryanwang945/self-mcp-server). 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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